diff --git a/COPYING b/COPYING
index d8c261f5f7..8844fad5a9 100644
--- a/COPYING
+++ b/COPYING
@@ -1,7 +1,7 @@
 This license applies to all works under this directory.
 
 Libbitcoin - C++ Bitcoin Development Toolkit and Applications
-Copyright © 2011-2017 libbitcoin developers (see AUTHORS)
+Copyright © 2011-2018 libbitcoin developers (see AUTHORS)
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU Affero General Public License as published by
diff --git a/examples/main.cpp b/examples/main.cpp
index 54205d0be1..2063d88994 100644
--- a/examples/main.cpp
+++ b/examples/main.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/chain/block.hpp b/include/bitcoin/bitcoin/chain/block.hpp
index bc611e5562..78f8b3b3ed 100644
--- a/include/bitcoin/bitcoin/chain/block.hpp
+++ b/include/bitcoin/bitcoin/chain/block.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/chain/chain_state.hpp b/include/bitcoin/bitcoin/chain/chain_state.hpp
index 3ce75cee5c..a13df0ffa9 100644
--- a/include/bitcoin/bitcoin/chain/chain_state.hpp
+++ b/include/bitcoin/bitcoin/chain/chain_state.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/chain/compact.hpp b/include/bitcoin/bitcoin/chain/compact.hpp
index c7be02b96b..3b95b55942 100644
--- a/include/bitcoin/bitcoin/chain/compact.hpp
+++ b/include/bitcoin/bitcoin/chain/compact.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/chain/header.hpp b/include/bitcoin/bitcoin/chain/header.hpp
index 503509b5ea..5eec0c48a7 100644
--- a/include/bitcoin/bitcoin/chain/header.hpp
+++ b/include/bitcoin/bitcoin/chain/header.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/chain/input.hpp b/include/bitcoin/bitcoin/chain/input.hpp
index afbc63a92f..80c4d3471a 100644
--- a/include/bitcoin/bitcoin/chain/input.hpp
+++ b/include/bitcoin/bitcoin/chain/input.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/chain/input_point.hpp b/include/bitcoin/bitcoin/chain/input_point.hpp
index c53b7b8cb9..e1da54117a 100644
--- a/include/bitcoin/bitcoin/chain/input_point.hpp
+++ b/include/bitcoin/bitcoin/chain/input_point.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/chain/output.hpp b/include/bitcoin/bitcoin/chain/output.hpp
index 0adef625b0..d86d550627 100644
--- a/include/bitcoin/bitcoin/chain/output.hpp
+++ b/include/bitcoin/bitcoin/chain/output.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/chain/output_point.hpp b/include/bitcoin/bitcoin/chain/output_point.hpp
index 8101e81e02..81ef95dcfe 100644
--- a/include/bitcoin/bitcoin/chain/output_point.hpp
+++ b/include/bitcoin/bitcoin/chain/output_point.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/chain/payment_record.hpp b/include/bitcoin/bitcoin/chain/payment_record.hpp
index 7f10e61dfc..c508a63426 100644
--- a/include/bitcoin/bitcoin/chain/payment_record.hpp
+++ b/include/bitcoin/bitcoin/chain/payment_record.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/chain/point.hpp b/include/bitcoin/bitcoin/chain/point.hpp
index 6e7ff8a10f..6c9b29eeb1 100644
--- a/include/bitcoin/bitcoin/chain/point.hpp
+++ b/include/bitcoin/bitcoin/chain/point.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/chain/point_value.hpp b/include/bitcoin/bitcoin/chain/point_value.hpp
index acb3604db5..fa11d6ff7f 100644
--- a/include/bitcoin/bitcoin/chain/point_value.hpp
+++ b/include/bitcoin/bitcoin/chain/point_value.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/chain/points_value.hpp b/include/bitcoin/bitcoin/chain/points_value.hpp
index f2e598b0c9..8a098329df 100644
--- a/include/bitcoin/bitcoin/chain/points_value.hpp
+++ b/include/bitcoin/bitcoin/chain/points_value.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/chain/script.hpp b/include/bitcoin/bitcoin/chain/script.hpp
index 57d5d9f7e7..939fbd66fb 100644
--- a/include/bitcoin/bitcoin/chain/script.hpp
+++ b/include/bitcoin/bitcoin/chain/script.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/chain/stealth_record.hpp b/include/bitcoin/bitcoin/chain/stealth_record.hpp
index ee1e39ed4b..cb1b09c595 100644
--- a/include/bitcoin/bitcoin/chain/stealth_record.hpp
+++ b/include/bitcoin/bitcoin/chain/stealth_record.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/chain/transaction.hpp b/include/bitcoin/bitcoin/chain/transaction.hpp
index d7057c9d96..1dc70ec471 100644
--- a/include/bitcoin/bitcoin/chain/transaction.hpp
+++ b/include/bitcoin/bitcoin/chain/transaction.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/chain/witness.hpp b/include/bitcoin/bitcoin/chain/witness.hpp
index 43f1c16752..f7985040e8 100644
--- a/include/bitcoin/bitcoin/chain/witness.hpp
+++ b/include/bitcoin/bitcoin/chain/witness.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/compat.h b/include/bitcoin/bitcoin/compat.h
index 096bc42c8d..76ddb54627 100644
--- a/include/bitcoin/bitcoin/compat.h
+++ b/include/bitcoin/bitcoin/compat.h
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/compat.hpp b/include/bitcoin/bitcoin/compat.hpp
index 6da6ae8d51..fc40b191b8 100644
--- a/include/bitcoin/bitcoin/compat.hpp
+++ b/include/bitcoin/bitcoin/compat.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/config/authority.hpp b/include/bitcoin/bitcoin/config/authority.hpp
index 978a08d336..b48acb8a7b 100644
--- a/include/bitcoin/bitcoin/config/authority.hpp
+++ b/include/bitcoin/bitcoin/config/authority.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/config/base16.hpp b/include/bitcoin/bitcoin/config/base16.hpp
index 1c7a613b49..8ac7e2fc0d 100644
--- a/include/bitcoin/bitcoin/config/base16.hpp
+++ b/include/bitcoin/bitcoin/config/base16.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/config/base2.hpp b/include/bitcoin/bitcoin/config/base2.hpp
index 208584ae5a..04618e3b78 100644
--- a/include/bitcoin/bitcoin/config/base2.hpp
+++ b/include/bitcoin/bitcoin/config/base2.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/config/base58.hpp b/include/bitcoin/bitcoin/config/base58.hpp
index 0bf7460cd4..a2d5e30eb4 100644
--- a/include/bitcoin/bitcoin/config/base58.hpp
+++ b/include/bitcoin/bitcoin/config/base58.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/config/base64.hpp b/include/bitcoin/bitcoin/config/base64.hpp
index 8ab4cd2ae0..ac76f0d69b 100644
--- a/include/bitcoin/bitcoin/config/base64.hpp
+++ b/include/bitcoin/bitcoin/config/base64.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/config/checkpoint.hpp b/include/bitcoin/bitcoin/config/checkpoint.hpp
index 091b49cae7..12c0e403c4 100644
--- a/include/bitcoin/bitcoin/config/checkpoint.hpp
+++ b/include/bitcoin/bitcoin/config/checkpoint.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/config/directory.hpp b/include/bitcoin/bitcoin/config/directory.hpp
index 0c216c6b3a..4afa2e073c 100644
--- a/include/bitcoin/bitcoin/config/directory.hpp
+++ b/include/bitcoin/bitcoin/config/directory.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/config/endpoint.hpp b/include/bitcoin/bitcoin/config/endpoint.hpp
index e464754407..c756a4a8eb 100644
--- a/include/bitcoin/bitcoin/config/endpoint.hpp
+++ b/include/bitcoin/bitcoin/config/endpoint.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/config/hash160.hpp b/include/bitcoin/bitcoin/config/hash160.hpp
index d660cb2a4f..8eae5197c2 100644
--- a/include/bitcoin/bitcoin/config/hash160.hpp
+++ b/include/bitcoin/bitcoin/config/hash160.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/config/hash256.hpp b/include/bitcoin/bitcoin/config/hash256.hpp
index 636e8c7000..db8fc9d1e8 100644
--- a/include/bitcoin/bitcoin/config/hash256.hpp
+++ b/include/bitcoin/bitcoin/config/hash256.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/config/header.hpp b/include/bitcoin/bitcoin/config/header.hpp
index bc6fd50e0f..a079166cb0 100644
--- a/include/bitcoin/bitcoin/config/header.hpp
+++ b/include/bitcoin/bitcoin/config/header.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/config/input.hpp b/include/bitcoin/bitcoin/config/input.hpp
index 3fb3415dcb..1166180c2f 100644
--- a/include/bitcoin/bitcoin/config/input.hpp
+++ b/include/bitcoin/bitcoin/config/input.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/config/output.hpp b/include/bitcoin/bitcoin/config/output.hpp
index 3d3e342157..276386d5b6 100644
--- a/include/bitcoin/bitcoin/config/output.hpp
+++ b/include/bitcoin/bitcoin/config/output.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/config/parameter.hpp b/include/bitcoin/bitcoin/config/parameter.hpp
index 6438bb2547..4d32b0cccb 100644
--- a/include/bitcoin/bitcoin/config/parameter.hpp
+++ b/include/bitcoin/bitcoin/config/parameter.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/config/parser.hpp b/include/bitcoin/bitcoin/config/parser.hpp
index 30b1d50a86..ef40ebf9eb 100644
--- a/include/bitcoin/bitcoin/config/parser.hpp
+++ b/include/bitcoin/bitcoin/config/parser.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/config/point.hpp b/include/bitcoin/bitcoin/config/point.hpp
index 7307628e38..9336d07b32 100644
--- a/include/bitcoin/bitcoin/config/point.hpp
+++ b/include/bitcoin/bitcoin/config/point.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/config/printer.hpp b/include/bitcoin/bitcoin/config/printer.hpp
index a678eb9abd..6106cf754e 100644
--- a/include/bitcoin/bitcoin/config/printer.hpp
+++ b/include/bitcoin/bitcoin/config/printer.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/config/script.hpp b/include/bitcoin/bitcoin/config/script.hpp
index 741080d062..b11188f0fb 100644
--- a/include/bitcoin/bitcoin/config/script.hpp
+++ b/include/bitcoin/bitcoin/config/script.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/config/settings.hpp b/include/bitcoin/bitcoin/config/settings.hpp
index 5c7a86af6f..6caede292a 100644
--- a/include/bitcoin/bitcoin/config/settings.hpp
+++ b/include/bitcoin/bitcoin/config/settings.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/config/sodium.hpp b/include/bitcoin/bitcoin/config/sodium.hpp
index 4aa032d274..5d5225e6c9 100644
--- a/include/bitcoin/bitcoin/config/sodium.hpp
+++ b/include/bitcoin/bitcoin/config/sodium.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/config/transaction.hpp b/include/bitcoin/bitcoin/config/transaction.hpp
index edecf355e6..fd597cf6da 100644
--- a/include/bitcoin/bitcoin/config/transaction.hpp
+++ b/include/bitcoin/bitcoin/config/transaction.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/constants.hpp b/include/bitcoin/bitcoin/constants.hpp
index 32535d07ef..871ac8f2c5 100644
--- a/include/bitcoin/bitcoin/constants.hpp
+++ b/include/bitcoin/bitcoin/constants.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/define.hpp b/include/bitcoin/bitcoin/define.hpp
index 18ef425463..44d8bd5653 100644
--- a/include/bitcoin/bitcoin/define.hpp
+++ b/include/bitcoin/bitcoin/define.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/error.hpp b/include/bitcoin/bitcoin/error.hpp
index 508113d2b1..c67fbfe76f 100644
--- a/include/bitcoin/bitcoin/error.hpp
+++ b/include/bitcoin/bitcoin/error.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/formats/base_10.hpp b/include/bitcoin/bitcoin/formats/base_10.hpp
index 599b01c459..a09da45780 100644
--- a/include/bitcoin/bitcoin/formats/base_10.hpp
+++ b/include/bitcoin/bitcoin/formats/base_10.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/formats/base_16.hpp b/include/bitcoin/bitcoin/formats/base_16.hpp
index 4b9af20dc5..65aceea304 100644
--- a/include/bitcoin/bitcoin/formats/base_16.hpp
+++ b/include/bitcoin/bitcoin/formats/base_16.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/formats/base_58.hpp b/include/bitcoin/bitcoin/formats/base_58.hpp
index 433457fb14..b8f5ac27e3 100644
--- a/include/bitcoin/bitcoin/formats/base_58.hpp
+++ b/include/bitcoin/bitcoin/formats/base_58.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/formats/base_64.hpp b/include/bitcoin/bitcoin/formats/base_64.hpp
index 22f096a8f2..bd7b12c023 100644
--- a/include/bitcoin/bitcoin/formats/base_64.hpp
+++ b/include/bitcoin/bitcoin/formats/base_64.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/formats/base_85.hpp b/include/bitcoin/bitcoin/formats/base_85.hpp
index 813ca68f31..e7d01beaef 100644
--- a/include/bitcoin/bitcoin/formats/base_85.hpp
+++ b/include/bitcoin/bitcoin/formats/base_85.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/handlers.hpp b/include/bitcoin/bitcoin/handlers.hpp
index 72524aec18..6c568fbf1e 100644
--- a/include/bitcoin/bitcoin/handlers.hpp
+++ b/include/bitcoin/bitcoin/handlers.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/impl/formats/base_16.ipp b/include/bitcoin/bitcoin/impl/formats/base_16.ipp
index f776ec4833..d1a887a0bf 100644
--- a/include/bitcoin/bitcoin/impl/formats/base_16.ipp
+++ b/include/bitcoin/bitcoin/impl/formats/base_16.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/impl/formats/base_58.ipp b/include/bitcoin/bitcoin/impl/formats/base_58.ipp
index 42d628a2cd..e031198fac 100644
--- a/include/bitcoin/bitcoin/impl/formats/base_58.ipp
+++ b/include/bitcoin/bitcoin/impl/formats/base_58.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/impl/log/features/counter.ipp b/include/bitcoin/bitcoin/impl/log/features/counter.ipp
index c6ce77ca1b..8059cbf1b6 100644
--- a/include/bitcoin/bitcoin/impl/log/features/counter.ipp
+++ b/include/bitcoin/bitcoin/impl/log/features/counter.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/impl/log/features/gauge.ipp b/include/bitcoin/bitcoin/impl/log/features/gauge.ipp
index 81f331b0b1..f5c530dfd2 100644
--- a/include/bitcoin/bitcoin/impl/log/features/gauge.ipp
+++ b/include/bitcoin/bitcoin/impl/log/features/gauge.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/impl/log/features/metric.ipp b/include/bitcoin/bitcoin/impl/log/features/metric.ipp
index 5b15f8e1e6..cad7edfcdf 100644
--- a/include/bitcoin/bitcoin/impl/log/features/metric.ipp
+++ b/include/bitcoin/bitcoin/impl/log/features/metric.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/impl/log/features/rate.ipp b/include/bitcoin/bitcoin/impl/log/features/rate.ipp
index 1f30feee3c..ef677beaab 100644
--- a/include/bitcoin/bitcoin/impl/log/features/rate.ipp
+++ b/include/bitcoin/bitcoin/impl/log/features/rate.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/impl/log/features/timer.ipp b/include/bitcoin/bitcoin/impl/log/features/timer.ipp
index 903ed03515..c5c74f9803 100644
--- a/include/bitcoin/bitcoin/impl/log/features/timer.ipp
+++ b/include/bitcoin/bitcoin/impl/log/features/timer.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/impl/machine/interpreter.ipp b/include/bitcoin/bitcoin/impl/machine/interpreter.ipp
index ee595111a2..b8560f17ef 100644
--- a/include/bitcoin/bitcoin/impl/machine/interpreter.ipp
+++ b/include/bitcoin/bitcoin/impl/machine/interpreter.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/impl/machine/number.ipp b/include/bitcoin/bitcoin/impl/machine/number.ipp
index 8a81cc68ff..24f8aceedc 100644
--- a/include/bitcoin/bitcoin/impl/machine/number.ipp
+++ b/include/bitcoin/bitcoin/impl/machine/number.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/impl/machine/operation.ipp b/include/bitcoin/bitcoin/impl/machine/operation.ipp
index 2b339fa531..4ff39f05fe 100644
--- a/include/bitcoin/bitcoin/impl/machine/operation.ipp
+++ b/include/bitcoin/bitcoin/impl/machine/operation.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/impl/machine/program.ipp b/include/bitcoin/bitcoin/impl/machine/program.ipp
index 13d3ebfe17..07eafbafd6 100644
--- a/include/bitcoin/bitcoin/impl/machine/program.ipp
+++ b/include/bitcoin/bitcoin/impl/machine/program.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/impl/math/checksum.ipp b/include/bitcoin/bitcoin/impl/math/checksum.ipp
index 9b54088d14..3a24563526 100644
--- a/include/bitcoin/bitcoin/impl/math/checksum.ipp
+++ b/include/bitcoin/bitcoin/impl/math/checksum.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/impl/math/hash.ipp b/include/bitcoin/bitcoin/impl/math/hash.ipp
index c23a3299fd..9b49a1ffa9 100644
--- a/include/bitcoin/bitcoin/impl/math/hash.ipp
+++ b/include/bitcoin/bitcoin/impl/math/hash.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/impl/utility/array_slice.ipp b/include/bitcoin/bitcoin/impl/utility/array_slice.ipp
index 0944f4894d..7aea013d7e 100644
--- a/include/bitcoin/bitcoin/impl/utility/array_slice.ipp
+++ b/include/bitcoin/bitcoin/impl/utility/array_slice.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/impl/utility/collection.ipp b/include/bitcoin/bitcoin/impl/utility/collection.ipp
index 2321993d1c..0cd3ff8cb7 100644
--- a/include/bitcoin/bitcoin/impl/utility/collection.ipp
+++ b/include/bitcoin/bitcoin/impl/utility/collection.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/impl/utility/data.ipp b/include/bitcoin/bitcoin/impl/utility/data.ipp
index 2efdad023e..8fd9f7842e 100644
--- a/include/bitcoin/bitcoin/impl/utility/data.ipp
+++ b/include/bitcoin/bitcoin/impl/utility/data.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/impl/utility/deserializer.ipp b/include/bitcoin/bitcoin/impl/utility/deserializer.ipp
index 41b7c75414..516f669396 100644
--- a/include/bitcoin/bitcoin/impl/utility/deserializer.ipp
+++ b/include/bitcoin/bitcoin/impl/utility/deserializer.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/impl/utility/endian.ipp b/include/bitcoin/bitcoin/impl/utility/endian.ipp
index 1ce331a0cc..99cb46103a 100644
--- a/include/bitcoin/bitcoin/impl/utility/endian.ipp
+++ b/include/bitcoin/bitcoin/impl/utility/endian.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/impl/utility/istream_reader.ipp b/include/bitcoin/bitcoin/impl/utility/istream_reader.ipp
index 3747006b2e..f25f2a9e53 100644
--- a/include/bitcoin/bitcoin/impl/utility/istream_reader.ipp
+++ b/include/bitcoin/bitcoin/impl/utility/istream_reader.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/impl/utility/ostream_writer.ipp b/include/bitcoin/bitcoin/impl/utility/ostream_writer.ipp
index 9eafab0332..93322edbfc 100644
--- a/include/bitcoin/bitcoin/impl/utility/ostream_writer.ipp
+++ b/include/bitcoin/bitcoin/impl/utility/ostream_writer.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/impl/utility/pending.ipp b/include/bitcoin/bitcoin/impl/utility/pending.ipp
index 86b8b17bba..9137f95c56 100644
--- a/include/bitcoin/bitcoin/impl/utility/pending.ipp
+++ b/include/bitcoin/bitcoin/impl/utility/pending.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/impl/utility/property_tree.ipp b/include/bitcoin/bitcoin/impl/utility/property_tree.ipp
index 4d927538f6..96e6a4162e 100644
--- a/include/bitcoin/bitcoin/impl/utility/property_tree.ipp
+++ b/include/bitcoin/bitcoin/impl/utility/property_tree.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/impl/utility/resubscriber.ipp b/include/bitcoin/bitcoin/impl/utility/resubscriber.ipp
index 2a155ce8ad..1512b570ee 100644
--- a/include/bitcoin/bitcoin/impl/utility/resubscriber.ipp
+++ b/include/bitcoin/bitcoin/impl/utility/resubscriber.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/impl/utility/serializer.ipp b/include/bitcoin/bitcoin/impl/utility/serializer.ipp
index 83045df025..7b2e44e73a 100755
--- a/include/bitcoin/bitcoin/impl/utility/serializer.ipp
+++ b/include/bitcoin/bitcoin/impl/utility/serializer.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/impl/utility/string.ipp b/include/bitcoin/bitcoin/impl/utility/string.ipp
index 88490411b1..e6aea2ddf3 100644
--- a/include/bitcoin/bitcoin/impl/utility/string.ipp
+++ b/include/bitcoin/bitcoin/impl/utility/string.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/impl/utility/subscriber.ipp b/include/bitcoin/bitcoin/impl/utility/subscriber.ipp
index 3fd46b8764..66cdbfbfb0 100644
--- a/include/bitcoin/bitcoin/impl/utility/subscriber.ipp
+++ b/include/bitcoin/bitcoin/impl/utility/subscriber.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/impl/utility/track.ipp b/include/bitcoin/bitcoin/impl/utility/track.ipp
index 3bd980bd2f..5911ce5c59 100644
--- a/include/bitcoin/bitcoin/impl/utility/track.ipp
+++ b/include/bitcoin/bitcoin/impl/utility/track.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/log/attributes.hpp b/include/bitcoin/bitcoin/log/attributes.hpp
index b84cac90d6..8c683fd0a5 100644
--- a/include/bitcoin/bitcoin/log/attributes.hpp
+++ b/include/bitcoin/bitcoin/log/attributes.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/log/features/counter.hpp b/include/bitcoin/bitcoin/log/features/counter.hpp
index ed7a54fe3d..7951e6a223 100644
--- a/include/bitcoin/bitcoin/log/features/counter.hpp
+++ b/include/bitcoin/bitcoin/log/features/counter.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/log/features/gauge.hpp b/include/bitcoin/bitcoin/log/features/gauge.hpp
index b019ae39ee..469888cdcb 100644
--- a/include/bitcoin/bitcoin/log/features/gauge.hpp
+++ b/include/bitcoin/bitcoin/log/features/gauge.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/log/features/metric.hpp b/include/bitcoin/bitcoin/log/features/metric.hpp
index 3e0b336335..77979208f1 100644
--- a/include/bitcoin/bitcoin/log/features/metric.hpp
+++ b/include/bitcoin/bitcoin/log/features/metric.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/log/features/rate.hpp b/include/bitcoin/bitcoin/log/features/rate.hpp
index f3711c4ef4..76b28d2539 100644
--- a/include/bitcoin/bitcoin/log/features/rate.hpp
+++ b/include/bitcoin/bitcoin/log/features/rate.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/log/features/timer.hpp b/include/bitcoin/bitcoin/log/features/timer.hpp
index 9d769618e1..c5395ae244 100644
--- a/include/bitcoin/bitcoin/log/features/timer.hpp
+++ b/include/bitcoin/bitcoin/log/features/timer.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/log/rotable_file.hpp b/include/bitcoin/bitcoin/log/rotable_file.hpp
index af7d225aae..7d77748676 100644
--- a/include/bitcoin/bitcoin/log/rotable_file.hpp
+++ b/include/bitcoin/bitcoin/log/rotable_file.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/log/severity.hpp b/include/bitcoin/bitcoin/log/severity.hpp
index 187737cc55..74a92c8c06 100644
--- a/include/bitcoin/bitcoin/log/severity.hpp
+++ b/include/bitcoin/bitcoin/log/severity.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/log/sink.hpp b/include/bitcoin/bitcoin/log/sink.hpp
index e83beb6ae1..6a9a2d9611 100644
--- a/include/bitcoin/bitcoin/log/sink.hpp
+++ b/include/bitcoin/bitcoin/log/sink.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/log/source.hpp b/include/bitcoin/bitcoin/log/source.hpp
index dc7cd575ef..1c12ee0ab0 100644
--- a/include/bitcoin/bitcoin/log/source.hpp
+++ b/include/bitcoin/bitcoin/log/source.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/log/statsd_sink.hpp b/include/bitcoin/bitcoin/log/statsd_sink.hpp
index 3c4dac6a02..4684edf68f 100644
--- a/include/bitcoin/bitcoin/log/statsd_sink.hpp
+++ b/include/bitcoin/bitcoin/log/statsd_sink.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/log/statsd_source.hpp b/include/bitcoin/bitcoin/log/statsd_source.hpp
index 32569e72f7..e675df6c6b 100644
--- a/include/bitcoin/bitcoin/log/statsd_source.hpp
+++ b/include/bitcoin/bitcoin/log/statsd_source.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/log/udp_client_sink.hpp b/include/bitcoin/bitcoin/log/udp_client_sink.hpp
index 8ec2c1b264..b868daf559 100644
--- a/include/bitcoin/bitcoin/log/udp_client_sink.hpp
+++ b/include/bitcoin/bitcoin/log/udp_client_sink.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/machine/interpreter.hpp b/include/bitcoin/bitcoin/machine/interpreter.hpp
index 8be97af0c9..89e97fb23a 100644
--- a/include/bitcoin/bitcoin/machine/interpreter.hpp
+++ b/include/bitcoin/bitcoin/machine/interpreter.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/machine/number.hpp b/include/bitcoin/bitcoin/machine/number.hpp
index 89971d265e..c687a64618 100644
--- a/include/bitcoin/bitcoin/machine/number.hpp
+++ b/include/bitcoin/bitcoin/machine/number.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/machine/opcode.hpp b/include/bitcoin/bitcoin/machine/opcode.hpp
index 4b912f6c4c..3dbf4caaad 100644
--- a/include/bitcoin/bitcoin/machine/opcode.hpp
+++ b/include/bitcoin/bitcoin/machine/opcode.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/machine/operation.hpp b/include/bitcoin/bitcoin/machine/operation.hpp
index 206c7e7d87..816826aa05 100644
--- a/include/bitcoin/bitcoin/machine/operation.hpp
+++ b/include/bitcoin/bitcoin/machine/operation.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/machine/program.hpp b/include/bitcoin/bitcoin/machine/program.hpp
index cfe88995cd..dd32da6f8a 100644
--- a/include/bitcoin/bitcoin/machine/program.hpp
+++ b/include/bitcoin/bitcoin/machine/program.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/machine/rule_fork.hpp b/include/bitcoin/bitcoin/machine/rule_fork.hpp
index 4ddec501c4..46f6f0e27e 100644
--- a/include/bitcoin/bitcoin/machine/rule_fork.hpp
+++ b/include/bitcoin/bitcoin/machine/rule_fork.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/machine/script_pattern.hpp b/include/bitcoin/bitcoin/machine/script_pattern.hpp
index 93a38a2828..fe39516a9f 100644
--- a/include/bitcoin/bitcoin/machine/script_pattern.hpp
+++ b/include/bitcoin/bitcoin/machine/script_pattern.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/machine/script_version.hpp b/include/bitcoin/bitcoin/machine/script_version.hpp
index 916a130c09..0b8a2952f6 100644
--- a/include/bitcoin/bitcoin/machine/script_version.hpp
+++ b/include/bitcoin/bitcoin/machine/script_version.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/machine/sighash_algorithm.hpp b/include/bitcoin/bitcoin/machine/sighash_algorithm.hpp
index a54a855475..db3d3ec45f 100644
--- a/include/bitcoin/bitcoin/machine/sighash_algorithm.hpp
+++ b/include/bitcoin/bitcoin/machine/sighash_algorithm.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/math/checksum.hpp b/include/bitcoin/bitcoin/math/checksum.hpp
index a82c9c1375..d93664c0c0 100644
--- a/include/bitcoin/bitcoin/math/checksum.hpp
+++ b/include/bitcoin/bitcoin/math/checksum.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/math/crypto.hpp b/include/bitcoin/bitcoin/math/crypto.hpp
index fe5b2ebe84..f9d5a6f0c5 100644
--- a/include/bitcoin/bitcoin/math/crypto.hpp
+++ b/include/bitcoin/bitcoin/math/crypto.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/math/elliptic_curve.hpp b/include/bitcoin/bitcoin/math/elliptic_curve.hpp
index 6479dea7fa..644ac19fc0 100755
--- a/include/bitcoin/bitcoin/math/elliptic_curve.hpp
+++ b/include/bitcoin/bitcoin/math/elliptic_curve.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/math/hash.hpp b/include/bitcoin/bitcoin/math/hash.hpp
index 331156d37e..5b8f81f33d 100644
--- a/include/bitcoin/bitcoin/math/hash.hpp
+++ b/include/bitcoin/bitcoin/math/hash.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/math/limits.hpp b/include/bitcoin/bitcoin/math/limits.hpp
index 160eee16bd..ec86d40b46 100644
--- a/include/bitcoin/bitcoin/math/limits.hpp
+++ b/include/bitcoin/bitcoin/math/limits.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/math/stealth.hpp b/include/bitcoin/bitcoin/math/stealth.hpp
index ec1a7af45c..611ad2e5d1 100644
--- a/include/bitcoin/bitcoin/math/stealth.hpp
+++ b/include/bitcoin/bitcoin/math/stealth.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/math/uint256.hpp b/include/bitcoin/bitcoin/math/uint256.hpp
index 15470cb042..8715a0d560 100644
--- a/include/bitcoin/bitcoin/math/uint256.hpp
+++ b/include/bitcoin/bitcoin/math/uint256.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/message/address.hpp b/include/bitcoin/bitcoin/message/address.hpp
index 27f6d2c7a1..3759bf136f 100644
--- a/include/bitcoin/bitcoin/message/address.hpp
+++ b/include/bitcoin/bitcoin/message/address.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/message/alert.hpp b/include/bitcoin/bitcoin/message/alert.hpp
index ddb594c981..2a7fece234 100644
--- a/include/bitcoin/bitcoin/message/alert.hpp
+++ b/include/bitcoin/bitcoin/message/alert.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/message/alert_payload.hpp b/include/bitcoin/bitcoin/message/alert_payload.hpp
index 3d264cdcd3..535a4be92b 100644
--- a/include/bitcoin/bitcoin/message/alert_payload.hpp
+++ b/include/bitcoin/bitcoin/message/alert_payload.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/message/block.hpp b/include/bitcoin/bitcoin/message/block.hpp
index a040faa214..913de0ebf3 100644
--- a/include/bitcoin/bitcoin/message/block.hpp
+++ b/include/bitcoin/bitcoin/message/block.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/message/block_transactions.hpp b/include/bitcoin/bitcoin/message/block_transactions.hpp
index 14655cc2f1..b9755845bb 100644
--- a/include/bitcoin/bitcoin/message/block_transactions.hpp
+++ b/include/bitcoin/bitcoin/message/block_transactions.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/message/compact_block.hpp b/include/bitcoin/bitcoin/message/compact_block.hpp
index 5cc1621b5e..50cfec22b7 100644
--- a/include/bitcoin/bitcoin/message/compact_block.hpp
+++ b/include/bitcoin/bitcoin/message/compact_block.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/message/fee_filter.hpp b/include/bitcoin/bitcoin/message/fee_filter.hpp
index d95917a443..f48559d786 100644
--- a/include/bitcoin/bitcoin/message/fee_filter.hpp
+++ b/include/bitcoin/bitcoin/message/fee_filter.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/message/filter_add.hpp b/include/bitcoin/bitcoin/message/filter_add.hpp
index b6e30993ae..410c9e4745 100644
--- a/include/bitcoin/bitcoin/message/filter_add.hpp
+++ b/include/bitcoin/bitcoin/message/filter_add.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/message/filter_clear.hpp b/include/bitcoin/bitcoin/message/filter_clear.hpp
index 052b7117cd..6361f4843f 100644
--- a/include/bitcoin/bitcoin/message/filter_clear.hpp
+++ b/include/bitcoin/bitcoin/message/filter_clear.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/message/filter_load.hpp b/include/bitcoin/bitcoin/message/filter_load.hpp
index deca86a55a..caf577fb02 100644
--- a/include/bitcoin/bitcoin/message/filter_load.hpp
+++ b/include/bitcoin/bitcoin/message/filter_load.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/message/get_address.hpp b/include/bitcoin/bitcoin/message/get_address.hpp
index 616d4ca40c..61441546c6 100644
--- a/include/bitcoin/bitcoin/message/get_address.hpp
+++ b/include/bitcoin/bitcoin/message/get_address.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/message/get_block_transactions.hpp b/include/bitcoin/bitcoin/message/get_block_transactions.hpp
index 19307ccb9c..cbba19504f 100644
--- a/include/bitcoin/bitcoin/message/get_block_transactions.hpp
+++ b/include/bitcoin/bitcoin/message/get_block_transactions.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/message/get_blocks.hpp b/include/bitcoin/bitcoin/message/get_blocks.hpp
index 5e194bab0a..5c04277a74 100644
--- a/include/bitcoin/bitcoin/message/get_blocks.hpp
+++ b/include/bitcoin/bitcoin/message/get_blocks.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/message/get_data.hpp b/include/bitcoin/bitcoin/message/get_data.hpp
index fae0796aa7..cfccbc5c5b 100644
--- a/include/bitcoin/bitcoin/message/get_data.hpp
+++ b/include/bitcoin/bitcoin/message/get_data.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/message/get_headers.hpp b/include/bitcoin/bitcoin/message/get_headers.hpp
index 94a365a2cb..bc40a51866 100644
--- a/include/bitcoin/bitcoin/message/get_headers.hpp
+++ b/include/bitcoin/bitcoin/message/get_headers.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/message/header.hpp b/include/bitcoin/bitcoin/message/header.hpp
index c8a28893dc..549f07c149 100644
--- a/include/bitcoin/bitcoin/message/header.hpp
+++ b/include/bitcoin/bitcoin/message/header.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/message/headers.hpp b/include/bitcoin/bitcoin/message/headers.hpp
index 6ef001e106..1b2ced5e73 100644
--- a/include/bitcoin/bitcoin/message/headers.hpp
+++ b/include/bitcoin/bitcoin/message/headers.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/message/heading.hpp b/include/bitcoin/bitcoin/message/heading.hpp
index ea0b449c07..910bb572cc 100644
--- a/include/bitcoin/bitcoin/message/heading.hpp
+++ b/include/bitcoin/bitcoin/message/heading.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/message/inventory.hpp b/include/bitcoin/bitcoin/message/inventory.hpp
index 280a874840..2cbd77b92a 100644
--- a/include/bitcoin/bitcoin/message/inventory.hpp
+++ b/include/bitcoin/bitcoin/message/inventory.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/message/inventory_vector.hpp b/include/bitcoin/bitcoin/message/inventory_vector.hpp
index 6b208770a0..26d3357a96 100644
--- a/include/bitcoin/bitcoin/message/inventory_vector.hpp
+++ b/include/bitcoin/bitcoin/message/inventory_vector.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/message/memory_pool.hpp b/include/bitcoin/bitcoin/message/memory_pool.hpp
index 271fa9c075..990b18a3b2 100644
--- a/include/bitcoin/bitcoin/message/memory_pool.hpp
+++ b/include/bitcoin/bitcoin/message/memory_pool.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/message/merkle_block.hpp b/include/bitcoin/bitcoin/message/merkle_block.hpp
index c664d8dde3..f18e1a7e88 100644
--- a/include/bitcoin/bitcoin/message/merkle_block.hpp
+++ b/include/bitcoin/bitcoin/message/merkle_block.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/message/messages.hpp b/include/bitcoin/bitcoin/message/messages.hpp
index d32a9ce160..32345d645d 100644
--- a/include/bitcoin/bitcoin/message/messages.hpp
+++ b/include/bitcoin/bitcoin/message/messages.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/message/network_address.hpp b/include/bitcoin/bitcoin/message/network_address.hpp
index bda04c451d..ca35f21dda 100644
--- a/include/bitcoin/bitcoin/message/network_address.hpp
+++ b/include/bitcoin/bitcoin/message/network_address.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/message/not_found.hpp b/include/bitcoin/bitcoin/message/not_found.hpp
index fadc90d7f0..18b711beb8 100644
--- a/include/bitcoin/bitcoin/message/not_found.hpp
+++ b/include/bitcoin/bitcoin/message/not_found.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/message/ping.hpp b/include/bitcoin/bitcoin/message/ping.hpp
index 6c9bf04fe2..f1348e780c 100644
--- a/include/bitcoin/bitcoin/message/ping.hpp
+++ b/include/bitcoin/bitcoin/message/ping.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/message/pong.hpp b/include/bitcoin/bitcoin/message/pong.hpp
index 7c9d641a60..b819e423ad 100644
--- a/include/bitcoin/bitcoin/message/pong.hpp
+++ b/include/bitcoin/bitcoin/message/pong.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/message/prefilled_transaction.hpp b/include/bitcoin/bitcoin/message/prefilled_transaction.hpp
index 80784da372..b23c431309 100644
--- a/include/bitcoin/bitcoin/message/prefilled_transaction.hpp
+++ b/include/bitcoin/bitcoin/message/prefilled_transaction.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/message/reject.hpp b/include/bitcoin/bitcoin/message/reject.hpp
index 5b026a5fb7..c37334aa1a 100644
--- a/include/bitcoin/bitcoin/message/reject.hpp
+++ b/include/bitcoin/bitcoin/message/reject.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/message/send_compact.hpp b/include/bitcoin/bitcoin/message/send_compact.hpp
index 09927caec7..d00989bcd1 100644
--- a/include/bitcoin/bitcoin/message/send_compact.hpp
+++ b/include/bitcoin/bitcoin/message/send_compact.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/message/send_headers.hpp b/include/bitcoin/bitcoin/message/send_headers.hpp
index 12b8525db8..fcc5921d7c 100644
--- a/include/bitcoin/bitcoin/message/send_headers.hpp
+++ b/include/bitcoin/bitcoin/message/send_headers.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/message/transaction.hpp b/include/bitcoin/bitcoin/message/transaction.hpp
index 1e51869c75..2d778038e7 100644
--- a/include/bitcoin/bitcoin/message/transaction.hpp
+++ b/include/bitcoin/bitcoin/message/transaction.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/message/verack.hpp b/include/bitcoin/bitcoin/message/verack.hpp
index af2bf1af18..65363377c2 100644
--- a/include/bitcoin/bitcoin/message/verack.hpp
+++ b/include/bitcoin/bitcoin/message/verack.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/message/version.hpp b/include/bitcoin/bitcoin/message/version.hpp
index 01512f928c..5bf8641c65 100644
--- a/include/bitcoin/bitcoin/message/version.hpp
+++ b/include/bitcoin/bitcoin/message/version.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/unicode/console_streambuf.hpp b/include/bitcoin/bitcoin/unicode/console_streambuf.hpp
index 38e342346c..4bd164b2fc 100644
--- a/include/bitcoin/bitcoin/unicode/console_streambuf.hpp
+++ b/include/bitcoin/bitcoin/unicode/console_streambuf.hpp
@@ -1,5 +1,5 @@
-/**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+/**
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/unicode/ifstream.hpp b/include/bitcoin/bitcoin/unicode/ifstream.hpp
index 6ece9ce53d..bd479490e8 100644
--- a/include/bitcoin/bitcoin/unicode/ifstream.hpp
+++ b/include/bitcoin/bitcoin/unicode/ifstream.hpp
@@ -1,5 +1,5 @@
-/**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+/**
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/unicode/ofstream.hpp b/include/bitcoin/bitcoin/unicode/ofstream.hpp
index 4c2ef593ad..92e28b1f73 100644
--- a/include/bitcoin/bitcoin/unicode/ofstream.hpp
+++ b/include/bitcoin/bitcoin/unicode/ofstream.hpp
@@ -1,5 +1,5 @@
-/**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+/**
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/unicode/unicode.hpp b/include/bitcoin/bitcoin/unicode/unicode.hpp
index 0abb55795f..02d5c15f9b 100644
--- a/include/bitcoin/bitcoin/unicode/unicode.hpp
+++ b/include/bitcoin/bitcoin/unicode/unicode.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/unicode/unicode_istream.hpp b/include/bitcoin/bitcoin/unicode/unicode_istream.hpp
index 830ab0985d..017ae66589 100644
--- a/include/bitcoin/bitcoin/unicode/unicode_istream.hpp
+++ b/include/bitcoin/bitcoin/unicode/unicode_istream.hpp
@@ -1,5 +1,5 @@
-/**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+/**
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/unicode/unicode_ostream.hpp b/include/bitcoin/bitcoin/unicode/unicode_ostream.hpp
index 32d6e9a1c0..2ba34ef3aa 100644
--- a/include/bitcoin/bitcoin/unicode/unicode_ostream.hpp
+++ b/include/bitcoin/bitcoin/unicode/unicode_ostream.hpp
@@ -1,5 +1,5 @@
-/**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+/**
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/unicode/unicode_streambuf.hpp b/include/bitcoin/bitcoin/unicode/unicode_streambuf.hpp
index 627b8ffb14..797e58d756 100644
--- a/include/bitcoin/bitcoin/unicode/unicode_streambuf.hpp
+++ b/include/bitcoin/bitcoin/unicode/unicode_streambuf.hpp
@@ -1,5 +1,5 @@
-/**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+/**
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/utility/array_slice.hpp b/include/bitcoin/bitcoin/utility/array_slice.hpp
index e10e7dc016..ce8d406093 100644
--- a/include/bitcoin/bitcoin/utility/array_slice.hpp
+++ b/include/bitcoin/bitcoin/utility/array_slice.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/utility/asio.hpp b/include/bitcoin/bitcoin/utility/asio.hpp
index 274b821f63..10ec914caa 100644
--- a/include/bitcoin/bitcoin/utility/asio.hpp
+++ b/include/bitcoin/bitcoin/utility/asio.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/utility/assert.hpp b/include/bitcoin/bitcoin/utility/assert.hpp
index 38a112c862..e89bbdf22f 100644
--- a/include/bitcoin/bitcoin/utility/assert.hpp
+++ b/include/bitcoin/bitcoin/utility/assert.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/utility/atomic.hpp b/include/bitcoin/bitcoin/utility/atomic.hpp
index 79e0cdb955..a91d7025a7 100644
--- a/include/bitcoin/bitcoin/utility/atomic.hpp
+++ b/include/bitcoin/bitcoin/utility/atomic.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/utility/binary.hpp b/include/bitcoin/bitcoin/utility/binary.hpp
index da3e98895d..cd5e13f1b5 100644
--- a/include/bitcoin/bitcoin/utility/binary.hpp
+++ b/include/bitcoin/bitcoin/utility/binary.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/utility/collection.hpp b/include/bitcoin/bitcoin/utility/collection.hpp
index bf1578cbfd..7a35a107cd 100644
--- a/include/bitcoin/bitcoin/utility/collection.hpp
+++ b/include/bitcoin/bitcoin/utility/collection.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/utility/color.hpp b/include/bitcoin/bitcoin/utility/color.hpp
index aab1ca534a..7230f44369 100644
--- a/include/bitcoin/bitcoin/utility/color.hpp
+++ b/include/bitcoin/bitcoin/utility/color.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/utility/conditional_lock.hpp b/include/bitcoin/bitcoin/utility/conditional_lock.hpp
index 21e4d3629f..0464316a5a 100644
--- a/include/bitcoin/bitcoin/utility/conditional_lock.hpp
+++ b/include/bitcoin/bitcoin/utility/conditional_lock.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/utility/container_sink.hpp b/include/bitcoin/bitcoin/utility/container_sink.hpp
index 40bfd743fa..bf80c0e425 100644
--- a/include/bitcoin/bitcoin/utility/container_sink.hpp
+++ b/include/bitcoin/bitcoin/utility/container_sink.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/utility/container_source.hpp b/include/bitcoin/bitcoin/utility/container_source.hpp
index dd55e1444a..05b75e7c36 100644
--- a/include/bitcoin/bitcoin/utility/container_source.hpp
+++ b/include/bitcoin/bitcoin/utility/container_source.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/utility/data.hpp b/include/bitcoin/bitcoin/utility/data.hpp
index 3119262582..db0c8779ac 100644
--- a/include/bitcoin/bitcoin/utility/data.hpp
+++ b/include/bitcoin/bitcoin/utility/data.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/utility/deadline.hpp b/include/bitcoin/bitcoin/utility/deadline.hpp
index 8d3fc3b169..231b477528 100644
--- a/include/bitcoin/bitcoin/utility/deadline.hpp
+++ b/include/bitcoin/bitcoin/utility/deadline.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/utility/decorator.hpp b/include/bitcoin/bitcoin/utility/decorator.hpp
index a417ae21e4..35f92866bc 100644
--- a/include/bitcoin/bitcoin/utility/decorator.hpp
+++ b/include/bitcoin/bitcoin/utility/decorator.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/utility/delegates.hpp b/include/bitcoin/bitcoin/utility/delegates.hpp
index 522ef4866e..13cde8fc06 100644
--- a/include/bitcoin/bitcoin/utility/delegates.hpp
+++ b/include/bitcoin/bitcoin/utility/delegates.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/utility/deserializer.hpp b/include/bitcoin/bitcoin/utility/deserializer.hpp
index a4c814b905..7510fe41fb 100644
--- a/include/bitcoin/bitcoin/utility/deserializer.hpp
+++ b/include/bitcoin/bitcoin/utility/deserializer.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/utility/dispatcher.hpp b/include/bitcoin/bitcoin/utility/dispatcher.hpp
index 140f85b1f2..40ca46fa44 100644
--- a/include/bitcoin/bitcoin/utility/dispatcher.hpp
+++ b/include/bitcoin/bitcoin/utility/dispatcher.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/utility/enable_shared_from_base.hpp b/include/bitcoin/bitcoin/utility/enable_shared_from_base.hpp
index 5bd4dc127d..5ec3a7fb17 100644
--- a/include/bitcoin/bitcoin/utility/enable_shared_from_base.hpp
+++ b/include/bitcoin/bitcoin/utility/enable_shared_from_base.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/utility/endian.hpp b/include/bitcoin/bitcoin/utility/endian.hpp
index f2d6f38f74..0b382e48b9 100644
--- a/include/bitcoin/bitcoin/utility/endian.hpp
+++ b/include/bitcoin/bitcoin/utility/endian.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/utility/exceptions.hpp b/include/bitcoin/bitcoin/utility/exceptions.hpp
index 0703def447..067e697072 100644
--- a/include/bitcoin/bitcoin/utility/exceptions.hpp
+++ b/include/bitcoin/bitcoin/utility/exceptions.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/utility/flush_lock.hpp b/include/bitcoin/bitcoin/utility/flush_lock.hpp
index dd3254adfe..3c445de163 100644
--- a/include/bitcoin/bitcoin/utility/flush_lock.hpp
+++ b/include/bitcoin/bitcoin/utility/flush_lock.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/utility/interprocess_lock.hpp b/include/bitcoin/bitcoin/utility/interprocess_lock.hpp
index 9a11b8b085..4f639ab3dc 100644
--- a/include/bitcoin/bitcoin/utility/interprocess_lock.hpp
+++ b/include/bitcoin/bitcoin/utility/interprocess_lock.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/utility/istream_reader.hpp b/include/bitcoin/bitcoin/utility/istream_reader.hpp
index f84952d17e..09dcf29ba1 100644
--- a/include/bitcoin/bitcoin/utility/istream_reader.hpp
+++ b/include/bitcoin/bitcoin/utility/istream_reader.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/utility/monitor.hpp b/include/bitcoin/bitcoin/utility/monitor.hpp
index 4039410189..2bfc6083ec 100644
--- a/include/bitcoin/bitcoin/utility/monitor.hpp
+++ b/include/bitcoin/bitcoin/utility/monitor.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/utility/noncopyable.hpp b/include/bitcoin/bitcoin/utility/noncopyable.hpp
index cb7bf5ef66..8ec9cd2013 100644
--- a/include/bitcoin/bitcoin/utility/noncopyable.hpp
+++ b/include/bitcoin/bitcoin/utility/noncopyable.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/utility/ostream_writer.hpp b/include/bitcoin/bitcoin/utility/ostream_writer.hpp
index 3bda1bc2e1..7cb5a60c1f 100644
--- a/include/bitcoin/bitcoin/utility/ostream_writer.hpp
+++ b/include/bitcoin/bitcoin/utility/ostream_writer.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/utility/pending.hpp b/include/bitcoin/bitcoin/utility/pending.hpp
index 0288ddefaf..83d1452833 100644
--- a/include/bitcoin/bitcoin/utility/pending.hpp
+++ b/include/bitcoin/bitcoin/utility/pending.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/utility/png.hpp b/include/bitcoin/bitcoin/utility/png.hpp
index 175d0ee9f2..5edc0cf3b8 100644
--- a/include/bitcoin/bitcoin/utility/png.hpp
+++ b/include/bitcoin/bitcoin/utility/png.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/utility/prioritized_mutex.hpp b/include/bitcoin/bitcoin/utility/prioritized_mutex.hpp
index 511bbc438b..333001b4f7 100644
--- a/include/bitcoin/bitcoin/utility/prioritized_mutex.hpp
+++ b/include/bitcoin/bitcoin/utility/prioritized_mutex.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/utility/property_tree.hpp b/include/bitcoin/bitcoin/utility/property_tree.hpp
index df5abc5a30..e3645f4067 100644
--- a/include/bitcoin/bitcoin/utility/property_tree.hpp
+++ b/include/bitcoin/bitcoin/utility/property_tree.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/utility/pseudo_random.hpp b/include/bitcoin/bitcoin/utility/pseudo_random.hpp
index 12faedc880..455de08540 100644
--- a/include/bitcoin/bitcoin/utility/pseudo_random.hpp
+++ b/include/bitcoin/bitcoin/utility/pseudo_random.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/utility/reader.hpp b/include/bitcoin/bitcoin/utility/reader.hpp
index 6fc0853cde..97e81a118c 100644
--- a/include/bitcoin/bitcoin/utility/reader.hpp
+++ b/include/bitcoin/bitcoin/utility/reader.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/utility/resubscriber.hpp b/include/bitcoin/bitcoin/utility/resubscriber.hpp
index 4e2e0a4857..c8f52d026f 100644
--- a/include/bitcoin/bitcoin/utility/resubscriber.hpp
+++ b/include/bitcoin/bitcoin/utility/resubscriber.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/utility/scope_lock.hpp b/include/bitcoin/bitcoin/utility/scope_lock.hpp
index 1a25379ac2..0995cd6010 100644
--- a/include/bitcoin/bitcoin/utility/scope_lock.hpp
+++ b/include/bitcoin/bitcoin/utility/scope_lock.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/utility/sequencer.hpp b/include/bitcoin/bitcoin/utility/sequencer.hpp
index dbe1be8314..24941eeaff 100644
--- a/include/bitcoin/bitcoin/utility/sequencer.hpp
+++ b/include/bitcoin/bitcoin/utility/sequencer.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/utility/sequential_lock.hpp b/include/bitcoin/bitcoin/utility/sequential_lock.hpp
index 0aac6045f9..31928bb621 100644
--- a/include/bitcoin/bitcoin/utility/sequential_lock.hpp
+++ b/include/bitcoin/bitcoin/utility/sequential_lock.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/utility/serializer.hpp b/include/bitcoin/bitcoin/utility/serializer.hpp
index 3d2013c3da..1619067a45 100755
--- a/include/bitcoin/bitcoin/utility/serializer.hpp
+++ b/include/bitcoin/bitcoin/utility/serializer.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/utility/socket.hpp b/include/bitcoin/bitcoin/utility/socket.hpp
index b6ef306668..54f36c0bc2 100644
--- a/include/bitcoin/bitcoin/utility/socket.hpp
+++ b/include/bitcoin/bitcoin/utility/socket.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/utility/string.hpp b/include/bitcoin/bitcoin/utility/string.hpp
index c5bbed9e26..83c6e2eba7 100644
--- a/include/bitcoin/bitcoin/utility/string.hpp
+++ b/include/bitcoin/bitcoin/utility/string.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/utility/subscriber.hpp b/include/bitcoin/bitcoin/utility/subscriber.hpp
index 86ab9fc8c7..986c5f4f4a 100644
--- a/include/bitcoin/bitcoin/utility/subscriber.hpp
+++ b/include/bitcoin/bitcoin/utility/subscriber.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/utility/synchronizer.hpp b/include/bitcoin/bitcoin/utility/synchronizer.hpp
index de5e571e9f..d127dc6db6 100644
--- a/include/bitcoin/bitcoin/utility/synchronizer.hpp
+++ b/include/bitcoin/bitcoin/utility/synchronizer.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/utility/thread.hpp b/include/bitcoin/bitcoin/utility/thread.hpp
index 9b3e13eeb7..f37f3404df 100644
--- a/include/bitcoin/bitcoin/utility/thread.hpp
+++ b/include/bitcoin/bitcoin/utility/thread.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/utility/threadpool.hpp b/include/bitcoin/bitcoin/utility/threadpool.hpp
index 67c8924f27..55254b85e0 100644
--- a/include/bitcoin/bitcoin/utility/threadpool.hpp
+++ b/include/bitcoin/bitcoin/utility/threadpool.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/utility/timer.hpp b/include/bitcoin/bitcoin/utility/timer.hpp
index f66f3465fc..1548e70df2 100644
--- a/include/bitcoin/bitcoin/utility/timer.hpp
+++ b/include/bitcoin/bitcoin/utility/timer.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/utility/track.hpp b/include/bitcoin/bitcoin/utility/track.hpp
index 8961857874..e6246402f6 100644
--- a/include/bitcoin/bitcoin/utility/track.hpp
+++ b/include/bitcoin/bitcoin/utility/track.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/utility/work.hpp b/include/bitcoin/bitcoin/utility/work.hpp
index 17cc34955b..a37c7d0d75 100644
--- a/include/bitcoin/bitcoin/utility/work.hpp
+++ b/include/bitcoin/bitcoin/utility/work.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/utility/writer.hpp b/include/bitcoin/bitcoin/utility/writer.hpp
index 01d48b64b1..44ab840098 100644
--- a/include/bitcoin/bitcoin/utility/writer.hpp
+++ b/include/bitcoin/bitcoin/utility/writer.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/wallet/bitcoin_uri.hpp b/include/bitcoin/bitcoin/wallet/bitcoin_uri.hpp
index 1a6e374c49..07ca30a4a2 100644
--- a/include/bitcoin/bitcoin/wallet/bitcoin_uri.hpp
+++ b/include/bitcoin/bitcoin/wallet/bitcoin_uri.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/wallet/dictionary.hpp b/include/bitcoin/bitcoin/wallet/dictionary.hpp
index e2eae84e64..2c24c88731 100644
--- a/include/bitcoin/bitcoin/wallet/dictionary.hpp
+++ b/include/bitcoin/bitcoin/wallet/dictionary.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/wallet/ec_private.hpp b/include/bitcoin/bitcoin/wallet/ec_private.hpp
index 0971b1ec03..ee16d87dd2 100644
--- a/include/bitcoin/bitcoin/wallet/ec_private.hpp
+++ b/include/bitcoin/bitcoin/wallet/ec_private.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/wallet/ec_public.hpp b/include/bitcoin/bitcoin/wallet/ec_public.hpp
index 09f6bb7ee0..556b39efca 100644
--- a/include/bitcoin/bitcoin/wallet/ec_public.hpp
+++ b/include/bitcoin/bitcoin/wallet/ec_public.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/wallet/ek_private.hpp b/include/bitcoin/bitcoin/wallet/ek_private.hpp
index 8af1f72b64..379f38ec4a 100644
--- a/include/bitcoin/bitcoin/wallet/ek_private.hpp
+++ b/include/bitcoin/bitcoin/wallet/ek_private.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/wallet/ek_public.hpp b/include/bitcoin/bitcoin/wallet/ek_public.hpp
index 1bf0f7ffd1..b521bc79ba 100644
--- a/include/bitcoin/bitcoin/wallet/ek_public.hpp
+++ b/include/bitcoin/bitcoin/wallet/ek_public.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/wallet/ek_token.hpp b/include/bitcoin/bitcoin/wallet/ek_token.hpp
index 1462d82859..dbb40cc9a6 100644
--- a/include/bitcoin/bitcoin/wallet/ek_token.hpp
+++ b/include/bitcoin/bitcoin/wallet/ek_token.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/wallet/electrum.hpp b/include/bitcoin/bitcoin/wallet/electrum.hpp
index 62a034237c..a73830ceff 100644
--- a/include/bitcoin/bitcoin/wallet/electrum.hpp
+++ b/include/bitcoin/bitcoin/wallet/electrum.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/wallet/electrum_dictionary.hpp b/include/bitcoin/bitcoin/wallet/electrum_dictionary.hpp
index 4578c72b31..2779c8b159 100644
--- a/include/bitcoin/bitcoin/wallet/electrum_dictionary.hpp
+++ b/include/bitcoin/bitcoin/wallet/electrum_dictionary.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/wallet/encrypted_keys.hpp b/include/bitcoin/bitcoin/wallet/encrypted_keys.hpp
index a15c190cb9..4bd0dfdc4f 100644
--- a/include/bitcoin/bitcoin/wallet/encrypted_keys.hpp
+++ b/include/bitcoin/bitcoin/wallet/encrypted_keys.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/wallet/hd_private.hpp b/include/bitcoin/bitcoin/wallet/hd_private.hpp
index 88d0047a6f..141a44a12e 100644
--- a/include/bitcoin/bitcoin/wallet/hd_private.hpp
+++ b/include/bitcoin/bitcoin/wallet/hd_private.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/wallet/hd_public.hpp b/include/bitcoin/bitcoin/wallet/hd_public.hpp
index 516b610824..b26300127b 100644
--- a/include/bitcoin/bitcoin/wallet/hd_public.hpp
+++ b/include/bitcoin/bitcoin/wallet/hd_public.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/wallet/message.hpp b/include/bitcoin/bitcoin/wallet/message.hpp
index fb0377d04b..21e34b839e 100644
--- a/include/bitcoin/bitcoin/wallet/message.hpp
+++ b/include/bitcoin/bitcoin/wallet/message.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/wallet/mini_keys.hpp b/include/bitcoin/bitcoin/wallet/mini_keys.hpp
index 5849e49555..d7a4eaddcf 100644
--- a/include/bitcoin/bitcoin/wallet/mini_keys.hpp
+++ b/include/bitcoin/bitcoin/wallet/mini_keys.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/wallet/mnemonic.hpp b/include/bitcoin/bitcoin/wallet/mnemonic.hpp
index a480fdc78a..a92427908f 100644
--- a/include/bitcoin/bitcoin/wallet/mnemonic.hpp
+++ b/include/bitcoin/bitcoin/wallet/mnemonic.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/wallet/payment_address.hpp b/include/bitcoin/bitcoin/wallet/payment_address.hpp
index 14d47634ef..fb3f288c5d 100644
--- a/include/bitcoin/bitcoin/wallet/payment_address.hpp
+++ b/include/bitcoin/bitcoin/wallet/payment_address.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/wallet/qrcode.hpp b/include/bitcoin/bitcoin/wallet/qrcode.hpp
index 5204181809..905097957f 100644
--- a/include/bitcoin/bitcoin/wallet/qrcode.hpp
+++ b/include/bitcoin/bitcoin/wallet/qrcode.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/wallet/select_outputs.hpp b/include/bitcoin/bitcoin/wallet/select_outputs.hpp
index df4df7ca14..3037a66c19 100644
--- a/include/bitcoin/bitcoin/wallet/select_outputs.hpp
+++ b/include/bitcoin/bitcoin/wallet/select_outputs.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/wallet/stealth_address.hpp b/include/bitcoin/bitcoin/wallet/stealth_address.hpp
index b038c34851..8ddc1b799d 100644
--- a/include/bitcoin/bitcoin/wallet/stealth_address.hpp
+++ b/include/bitcoin/bitcoin/wallet/stealth_address.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/wallet/stealth_receiver.hpp b/include/bitcoin/bitcoin/wallet/stealth_receiver.hpp
index 0579ec0193..fab3fef23d 100644
--- a/include/bitcoin/bitcoin/wallet/stealth_receiver.hpp
+++ b/include/bitcoin/bitcoin/wallet/stealth_receiver.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/wallet/stealth_sender.hpp b/include/bitcoin/bitcoin/wallet/stealth_sender.hpp
index 5c867e3c40..dbfb316d5e 100644
--- a/include/bitcoin/bitcoin/wallet/stealth_sender.hpp
+++ b/include/bitcoin/bitcoin/wallet/stealth_sender.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/wallet/uri.hpp b/include/bitcoin/bitcoin/wallet/uri.hpp
index fda89a3407..3860282371 100644
--- a/include/bitcoin/bitcoin/wallet/uri.hpp
+++ b/include/bitcoin/bitcoin/wallet/uri.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/bitcoin/wallet/uri_reader.hpp b/include/bitcoin/bitcoin/wallet/uri_reader.hpp
index 2bf0ec8389..d1114e8b8c 100644
--- a/include/bitcoin/bitcoin/wallet/uri_reader.hpp
+++ b/include/bitcoin/bitcoin/wallet/uri_reader.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/chain/block.cpp b/src/chain/block.cpp
index 14e2ab0c9c..3c8c79f256 100644
--- a/src/chain/block.cpp
+++ b/src/chain/block.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/chain/chain_state.cpp b/src/chain/chain_state.cpp
index e4c5c3f129..6628004123 100644
--- a/src/chain/chain_state.cpp
+++ b/src/chain/chain_state.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/chain/compact.cpp b/src/chain/compact.cpp
index f24e44aa4a..31d0d5b00a 100644
--- a/src/chain/compact.cpp
+++ b/src/chain/compact.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/chain/header.cpp b/src/chain/header.cpp
index 232667aa7d..9bfd788601 100644
--- a/src/chain/header.cpp
+++ b/src/chain/header.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/chain/input.cpp b/src/chain/input.cpp
index 5a1bb65523..5b86d579a8 100644
--- a/src/chain/input.cpp
+++ b/src/chain/input.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/chain/output.cpp b/src/chain/output.cpp
index c56c1161ac..80f6e57252 100644
--- a/src/chain/output.cpp
+++ b/src/chain/output.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/chain/output_point.cpp b/src/chain/output_point.cpp
index ba92528215..3f25013776 100644
--- a/src/chain/output_point.cpp
+++ b/src/chain/output_point.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/chain/payment_record.cpp b/src/chain/payment_record.cpp
index eb63186286..ded9be527c 100644
--- a/src/chain/payment_record.cpp
+++ b/src/chain/payment_record.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/chain/point.cpp b/src/chain/point.cpp
index 701e5269a5..55f6a4b65d 100644
--- a/src/chain/point.cpp
+++ b/src/chain/point.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/chain/point_value.cpp b/src/chain/point_value.cpp
index 64bf86af5a..97cd65655b 100644
--- a/src/chain/point_value.cpp
+++ b/src/chain/point_value.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/chain/points_value.cpp b/src/chain/points_value.cpp
index ea1d2e0ec5..ced5064552 100644
--- a/src/chain/points_value.cpp
+++ b/src/chain/points_value.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/chain/script.cpp b/src/chain/script.cpp
index 93cc1e27f6..0f1720da3c 100644
--- a/src/chain/script.cpp
+++ b/src/chain/script.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/chain/stealth_record.cpp b/src/chain/stealth_record.cpp
index e5ffa5daba..517a69fe19 100644
--- a/src/chain/stealth_record.cpp
+++ b/src/chain/stealth_record.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/chain/transaction.cpp b/src/chain/transaction.cpp
index f66ab90221..02cfcb0e0d 100644
--- a/src/chain/transaction.cpp
+++ b/src/chain/transaction.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/chain/witness.cpp b/src/chain/witness.cpp
index 196433e710..44e64af6d1 100644
--- a/src/chain/witness.cpp
+++ b/src/chain/witness.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/config/authority.cpp b/src/config/authority.cpp
index 58216fd27f..6ab93fea80 100644
--- a/src/config/authority.cpp
+++ b/src/config/authority.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/config/base16.cpp b/src/config/base16.cpp
index 74b64008c1..d01466c56d 100644
--- a/src/config/base16.cpp
+++ b/src/config/base16.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/config/base2.cpp b/src/config/base2.cpp
index 4b6fcbedbc..4324f84581 100644
--- a/src/config/base2.cpp
+++ b/src/config/base2.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/config/base58.cpp b/src/config/base58.cpp
index 4a489a4c6a..1099a17330 100644
--- a/src/config/base58.cpp
+++ b/src/config/base58.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/config/base64.cpp b/src/config/base64.cpp
index 298bf7950c..34d9ef2776 100644
--- a/src/config/base64.cpp
+++ b/src/config/base64.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/config/checkpoint.cpp b/src/config/checkpoint.cpp
index 4f041f1f62..9862c94fc1 100644
--- a/src/config/checkpoint.cpp
+++ b/src/config/checkpoint.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/config/directory.cpp b/src/config/directory.cpp
index 96bcda6dc8..b5d96ba1ac 100644
--- a/src/config/directory.cpp
+++ b/src/config/directory.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/config/endpoint.cpp b/src/config/endpoint.cpp
index 2c4138490d..4de400b198 100644
--- a/src/config/endpoint.cpp
+++ b/src/config/endpoint.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/config/hash160.cpp b/src/config/hash160.cpp
index 83fc3a051f..c476d397ed 100644
--- a/src/config/hash160.cpp
+++ b/src/config/hash160.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/config/hash256.cpp b/src/config/hash256.cpp
index 728c78ae3a..5628219fa7 100644
--- a/src/config/hash256.cpp
+++ b/src/config/hash256.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/config/header.cpp b/src/config/header.cpp
index b0b2c1fc8d..a172175984 100644
--- a/src/config/header.cpp
+++ b/src/config/header.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/config/input.cpp b/src/config/input.cpp
index e0a26012f5..921b715358 100644
--- a/src/config/input.cpp
+++ b/src/config/input.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/config/output.cpp b/src/config/output.cpp
index e0f148a560..e2fe683bd8 100644
--- a/src/config/output.cpp
+++ b/src/config/output.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/config/parameter.cpp b/src/config/parameter.cpp
index aff8c5ea9e..8fdde6f3b7 100644
--- a/src/config/parameter.cpp
+++ b/src/config/parameter.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/config/parser.cpp b/src/config/parser.cpp
index 4bcc29bd6b..8d6ad6221f 100644
--- a/src/config/parser.cpp
+++ b/src/config/parser.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/config/point.cpp b/src/config/point.cpp
index e8229cb871..4564e725fb 100644
--- a/src/config/point.cpp
+++ b/src/config/point.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/config/printer.cpp b/src/config/printer.cpp
index 6ad750e99d..47c8124b7c 100644
--- a/src/config/printer.cpp
+++ b/src/config/printer.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/config/script.cpp b/src/config/script.cpp
index 1c852431e4..16bc9717ce 100644
--- a/src/config/script.cpp
+++ b/src/config/script.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/config/sodium.cpp b/src/config/sodium.cpp
index d5be54ca39..56fe5fd1bd 100644
--- a/src/config/sodium.cpp
+++ b/src/config/sodium.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/config/transaction.cpp b/src/config/transaction.cpp
index 2f35fa9d62..f756a0fa00 100644
--- a/src/config/transaction.cpp
+++ b/src/config/transaction.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/error.cpp b/src/error.cpp
index 032a469a51..674e7b94b8 100644
--- a/src/error.cpp
+++ b/src/error.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/formats/base_10.cpp b/src/formats/base_10.cpp
index 33d3b17145..8b2c69b28a 100644
--- a/src/formats/base_10.cpp
+++ b/src/formats/base_10.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/formats/base_16.cpp b/src/formats/base_16.cpp
index 0462b6ed47..576ab08454 100644
--- a/src/formats/base_16.cpp
+++ b/src/formats/base_16.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/formats/base_58.cpp b/src/formats/base_58.cpp
index 0e0b43f76f..340c8486d8 100644
--- a/src/formats/base_58.cpp
+++ b/src/formats/base_58.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/formats/base_64.cpp b/src/formats/base_64.cpp
index bea25ca71b..32c1bf3531 100644
--- a/src/formats/base_64.cpp
+++ b/src/formats/base_64.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/formats/base_85.cpp b/src/formats/base_85.cpp
index 7fe7d09170..157ce3ac9e 100644
--- a/src/formats/base_85.cpp
+++ b/src/formats/base_85.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/log/sink.cpp b/src/log/sink.cpp
index 7027e20664..04802f8357 100644
--- a/src/log/sink.cpp
+++ b/src/log/sink.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/log/statsd_sink.cpp b/src/log/statsd_sink.cpp
index 3c386786cc..40da776f64 100644
--- a/src/log/statsd_sink.cpp
+++ b/src/log/statsd_sink.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/log/udp_client_sink.cpp b/src/log/udp_client_sink.cpp
index d427402a76..a8c9482c59 100644
--- a/src/log/udp_client_sink.cpp
+++ b/src/log/udp_client_sink.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/machine/interpreter.cpp b/src/machine/interpreter.cpp
index 7b3aa6f632..7835b00f42 100644
--- a/src/machine/interpreter.cpp
+++ b/src/machine/interpreter.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/machine/number.cpp b/src/machine/number.cpp
index d00b2a7dc9..9b6d8388fe 100644
--- a/src/machine/number.cpp
+++ b/src/machine/number.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/machine/opcode.cpp b/src/machine/opcode.cpp
index 28a6b465d5..7acca97abb 100644
--- a/src/machine/opcode.cpp
+++ b/src/machine/opcode.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/machine/operation.cpp b/src/machine/operation.cpp
index 3e3aa0befb..6b3ec14ee5 100644
--- a/src/machine/operation.cpp
+++ b/src/machine/operation.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/machine/program.cpp b/src/machine/program.cpp
index 0af93175b7..d23e0295b5 100644
--- a/src/machine/program.cpp
+++ b/src/machine/program.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/math/checksum.cpp b/src/math/checksum.cpp
index 0de4bbe5e2..6250599fbc 100644
--- a/src/math/checksum.cpp
+++ b/src/math/checksum.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/math/crypto.cpp b/src/math/crypto.cpp
index 88c6ac8051..35d1ae44c6 100644
--- a/src/math/crypto.cpp
+++ b/src/math/crypto.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/math/elliptic_curve.cpp b/src/math/elliptic_curve.cpp
index 793cf55c01..adce2da1d9 100755
--- a/src/math/elliptic_curve.cpp
+++ b/src/math/elliptic_curve.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/math/hash.cpp b/src/math/hash.cpp
index b74d9f53a6..482f319ce6 100644
--- a/src/math/hash.cpp
+++ b/src/math/hash.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/math/secp256k1_initializer.cpp b/src/math/secp256k1_initializer.cpp
index 3b4b30f106..a0ed1ee2a2 100644
--- a/src/math/secp256k1_initializer.cpp
+++ b/src/math/secp256k1_initializer.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/math/secp256k1_initializer.hpp b/src/math/secp256k1_initializer.hpp
index c0cb7927bd..febfff118c 100644
--- a/src/math/secp256k1_initializer.hpp
+++ b/src/math/secp256k1_initializer.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/math/stealth.cpp b/src/math/stealth.cpp
index 8d3228301f..b097cac6ad 100644
--- a/src/math/stealth.cpp
+++ b/src/math/stealth.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/message/address.cpp b/src/message/address.cpp
index 307d0a5455..51c7658be0 100644
--- a/src/message/address.cpp
+++ b/src/message/address.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/message/alert.cpp b/src/message/alert.cpp
index 79645b724a..f034254b60 100644
--- a/src/message/alert.cpp
+++ b/src/message/alert.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/message/alert_payload.cpp b/src/message/alert_payload.cpp
index a4acaf4823..4b61a1af61 100644
--- a/src/message/alert_payload.cpp
+++ b/src/message/alert_payload.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/message/block.cpp b/src/message/block.cpp
index 29c1bb5d95..db62f53103 100644
--- a/src/message/block.cpp
+++ b/src/message/block.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/message/block_transactions.cpp b/src/message/block_transactions.cpp
index e143b46839..f9793276dd 100644
--- a/src/message/block_transactions.cpp
+++ b/src/message/block_transactions.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/message/compact_block.cpp b/src/message/compact_block.cpp
index 8219483aca..a22261b520 100644
--- a/src/message/compact_block.cpp
+++ b/src/message/compact_block.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/message/fee_filter.cpp b/src/message/fee_filter.cpp
index bffaf6e91c..1453bd8e65 100644
--- a/src/message/fee_filter.cpp
+++ b/src/message/fee_filter.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/message/filter_add.cpp b/src/message/filter_add.cpp
index d9035b060f..8d67939eb1 100644
--- a/src/message/filter_add.cpp
+++ b/src/message/filter_add.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/message/filter_clear.cpp b/src/message/filter_clear.cpp
index 3db87fd292..9e6ca2b18a 100644
--- a/src/message/filter_clear.cpp
+++ b/src/message/filter_clear.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/message/filter_load.cpp b/src/message/filter_load.cpp
index 1773390d6e..36fda4ca9c 100644
--- a/src/message/filter_load.cpp
+++ b/src/message/filter_load.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/message/get_address.cpp b/src/message/get_address.cpp
index 89be46d8b4..9958c06cae 100644
--- a/src/message/get_address.cpp
+++ b/src/message/get_address.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/message/get_block_transactions.cpp b/src/message/get_block_transactions.cpp
index 861b742476..84985cd002 100644
--- a/src/message/get_block_transactions.cpp
+++ b/src/message/get_block_transactions.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/message/get_blocks.cpp b/src/message/get_blocks.cpp
index 7b59370a43..c741cefa98 100644
--- a/src/message/get_blocks.cpp
+++ b/src/message/get_blocks.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/message/get_data.cpp b/src/message/get_data.cpp
index d008f74b6c..1659996d20 100644
--- a/src/message/get_data.cpp
+++ b/src/message/get_data.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/message/get_headers.cpp b/src/message/get_headers.cpp
index a1a1327645..d7407f46e3 100644
--- a/src/message/get_headers.cpp
+++ b/src/message/get_headers.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/message/header.cpp b/src/message/header.cpp
index 3b645cf5fd..a77e024fce 100644
--- a/src/message/header.cpp
+++ b/src/message/header.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/message/headers.cpp b/src/message/headers.cpp
index a07cbe7c4e..18c4777e9b 100644
--- a/src/message/headers.cpp
+++ b/src/message/headers.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/message/heading.cpp b/src/message/heading.cpp
index d95e70de76..a33f3e5438 100644
--- a/src/message/heading.cpp
+++ b/src/message/heading.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/message/inventory.cpp b/src/message/inventory.cpp
index bc67a60fad..79d4227cab 100644
--- a/src/message/inventory.cpp
+++ b/src/message/inventory.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/message/inventory_vector.cpp b/src/message/inventory_vector.cpp
index 80510a720e..ba1eece97c 100644
--- a/src/message/inventory_vector.cpp
+++ b/src/message/inventory_vector.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/message/memory_pool.cpp b/src/message/memory_pool.cpp
index c44a34cae8..c8cd4a940f 100644
--- a/src/message/memory_pool.cpp
+++ b/src/message/memory_pool.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/message/merkle_block.cpp b/src/message/merkle_block.cpp
index 16e4c6b5e6..7cbda2ad4a 100644
--- a/src/message/merkle_block.cpp
+++ b/src/message/merkle_block.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/message/messages.cpp b/src/message/messages.cpp
index 4eb7869c81..0abf0e6394 100644
--- a/src/message/messages.cpp
+++ b/src/message/messages.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/message/network_address.cpp b/src/message/network_address.cpp
index 7224d645cb..a1c20404fc 100644
--- a/src/message/network_address.cpp
+++ b/src/message/network_address.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/message/not_found.cpp b/src/message/not_found.cpp
index 7098d90c5d..219e95b244 100644
--- a/src/message/not_found.cpp
+++ b/src/message/not_found.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/message/ping.cpp b/src/message/ping.cpp
index ed33395787..971623d9dd 100644
--- a/src/message/ping.cpp
+++ b/src/message/ping.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/message/pong.cpp b/src/message/pong.cpp
index e6f4d07ac2..d1e0322fdf 100644
--- a/src/message/pong.cpp
+++ b/src/message/pong.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/message/prefilled_transaction.cpp b/src/message/prefilled_transaction.cpp
index bf63e99900..601faf0974 100644
--- a/src/message/prefilled_transaction.cpp
+++ b/src/message/prefilled_transaction.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/message/reject.cpp b/src/message/reject.cpp
index 513ce8963a..04b2bf1de9 100644
--- a/src/message/reject.cpp
+++ b/src/message/reject.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/message/send_compact.cpp b/src/message/send_compact.cpp
index 9eb3a93438..8e0467ef6f 100644
--- a/src/message/send_compact.cpp
+++ b/src/message/send_compact.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/message/send_headers.cpp b/src/message/send_headers.cpp
index 3b0b0df0c0..6bd66e0db7 100644
--- a/src/message/send_headers.cpp
+++ b/src/message/send_headers.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/message/transaction.cpp b/src/message/transaction.cpp
index 219281f440..e2e2962637 100644
--- a/src/message/transaction.cpp
+++ b/src/message/transaction.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/message/verack.cpp b/src/message/verack.cpp
index 6a596cd4df..1ede2d8b84 100644
--- a/src/message/verack.cpp
+++ b/src/message/verack.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/message/version.cpp b/src/message/version.cpp
index 4ab51337eb..87669102ce 100644
--- a/src/message/version.cpp
+++ b/src/message/version.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/unicode/console_streambuf.cpp b/src/unicode/console_streambuf.cpp
index 26e9874179..8a8ac3ffa9 100644
--- a/src/unicode/console_streambuf.cpp
+++ b/src/unicode/console_streambuf.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/unicode/ifstream.cpp b/src/unicode/ifstream.cpp
index 7807529c90..ace88c8292 100644
--- a/src/unicode/ifstream.cpp
+++ b/src/unicode/ifstream.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/unicode/ofstream.cpp b/src/unicode/ofstream.cpp
index d72851f448..9cacaa6b4e 100644
--- a/src/unicode/ofstream.cpp
+++ b/src/unicode/ofstream.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/unicode/unicode.cpp b/src/unicode/unicode.cpp
index 2dadf4bd7b..1eccf9500d 100644
--- a/src/unicode/unicode.cpp
+++ b/src/unicode/unicode.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/unicode/unicode_istream.cpp b/src/unicode/unicode_istream.cpp
index aeb6b72963..65e871cb6b 100644
--- a/src/unicode/unicode_istream.cpp
+++ b/src/unicode/unicode_istream.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/unicode/unicode_ostream.cpp b/src/unicode/unicode_ostream.cpp
index 97451b0503..72ce366214 100644
--- a/src/unicode/unicode_ostream.cpp
+++ b/src/unicode/unicode_ostream.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/unicode/unicode_streambuf.cpp b/src/unicode/unicode_streambuf.cpp
index c1de823b2f..e5cc175e72 100644
--- a/src/unicode/unicode_streambuf.cpp
+++ b/src/unicode/unicode_streambuf.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/utility/binary.cpp b/src/utility/binary.cpp
index 176d6aa83c..defe1e5a9a 100644
--- a/src/utility/binary.cpp
+++ b/src/utility/binary.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/utility/conditional_lock.cpp b/src/utility/conditional_lock.cpp
index 014b959764..9369eeda8d 100644
--- a/src/utility/conditional_lock.cpp
+++ b/src/utility/conditional_lock.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/utility/deadline.cpp b/src/utility/deadline.cpp
index fe1d04bc82..17280560b3 100644
--- a/src/utility/deadline.cpp
+++ b/src/utility/deadline.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/utility/dispatcher.cpp b/src/utility/dispatcher.cpp
index c93d6fbc89..75330d1174 100644
--- a/src/utility/dispatcher.cpp
+++ b/src/utility/dispatcher.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/utility/flush_lock.cpp b/src/utility/flush_lock.cpp
index f49bd5f9f9..f32e4975ea 100644
--- a/src/utility/flush_lock.cpp
+++ b/src/utility/flush_lock.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/utility/interprocess_lock.cpp b/src/utility/interprocess_lock.cpp
index 9fe291cbdb..a56b62d76f 100644
--- a/src/utility/interprocess_lock.cpp
+++ b/src/utility/interprocess_lock.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/utility/istream_reader.cpp b/src/utility/istream_reader.cpp
index 2e9d14ba83..9a7e3b175a 100644
--- a/src/utility/istream_reader.cpp
+++ b/src/utility/istream_reader.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/utility/monitor.cpp b/src/utility/monitor.cpp
index a9f4ba35dc..55e0ad4948 100644
--- a/src/utility/monitor.cpp
+++ b/src/utility/monitor.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/utility/ostream_writer.cpp b/src/utility/ostream_writer.cpp
index e280c2b341..d3dc585c7e 100644
--- a/src/utility/ostream_writer.cpp
+++ b/src/utility/ostream_writer.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/utility/png.cpp b/src/utility/png.cpp
index eb522ef507..48a9f69d13 100644
--- a/src/utility/png.cpp
+++ b/src/utility/png.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/utility/prioritized_mutex.cpp b/src/utility/prioritized_mutex.cpp
index 80447717a2..6a9e66e443 100644
--- a/src/utility/prioritized_mutex.cpp
+++ b/src/utility/prioritized_mutex.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/utility/property_tree.cpp b/src/utility/property_tree.cpp
index cdf12f64a5..208219d52e 100644
--- a/src/utility/property_tree.cpp
+++ b/src/utility/property_tree.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/utility/pseudo_random.cpp b/src/utility/pseudo_random.cpp
index 60e1c9af9b..723cee0436 100644
--- a/src/utility/pseudo_random.cpp
+++ b/src/utility/pseudo_random.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/utility/scope_lock.cpp b/src/utility/scope_lock.cpp
index 071d29524a..81a8994f9e 100644
--- a/src/utility/scope_lock.cpp
+++ b/src/utility/scope_lock.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/utility/sequencer.cpp b/src/utility/sequencer.cpp
index 8a4f1c0491..97c175135b 100644
--- a/src/utility/sequencer.cpp
+++ b/src/utility/sequencer.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/utility/sequential_lock.cpp b/src/utility/sequential_lock.cpp
index c47175f84e..ac1b18b3d2 100644
--- a/src/utility/sequential_lock.cpp
+++ b/src/utility/sequential_lock.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/utility/socket.cpp b/src/utility/socket.cpp
index 19ddf737f0..ae6aa9d2f3 100644
--- a/src/utility/socket.cpp
+++ b/src/utility/socket.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/utility/string.cpp b/src/utility/string.cpp
index 22bc4d09ec..f53a4e7f7d 100644
--- a/src/utility/string.cpp
+++ b/src/utility/string.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/utility/thread.cpp b/src/utility/thread.cpp
index 4c55291b04..364ea800a7 100644
--- a/src/utility/thread.cpp
+++ b/src/utility/thread.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/utility/threadpool.cpp b/src/utility/threadpool.cpp
index a0b2c2bfaf..75ef975c67 100644
--- a/src/utility/threadpool.cpp
+++ b/src/utility/threadpool.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/utility/work.cpp b/src/utility/work.cpp
index ee445b8784..6322cc003d 100644
--- a/src/utility/work.cpp
+++ b/src/utility/work.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/wallet/bitcoin_uri.cpp b/src/wallet/bitcoin_uri.cpp
index afb3ddf2e2..5537249bf6 100644
--- a/src/wallet/bitcoin_uri.cpp
+++ b/src/wallet/bitcoin_uri.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/wallet/dictionary.cpp b/src/wallet/dictionary.cpp
index ed8995e53a..3dd7f76c2d 100644
--- a/src/wallet/dictionary.cpp
+++ b/src/wallet/dictionary.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/wallet/ec_private.cpp b/src/wallet/ec_private.cpp
index ad9ea99efb..bda0b08ae7 100644
--- a/src/wallet/ec_private.cpp
+++ b/src/wallet/ec_private.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/wallet/ec_public.cpp b/src/wallet/ec_public.cpp
index d99bb85eed..2020c0ce9f 100644
--- a/src/wallet/ec_public.cpp
+++ b/src/wallet/ec_public.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/wallet/ek_private.cpp b/src/wallet/ek_private.cpp
index 838d85fd6b..69d4410473 100644
--- a/src/wallet/ek_private.cpp
+++ b/src/wallet/ek_private.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/wallet/ek_public.cpp b/src/wallet/ek_public.cpp
index 56652f1959..2677b9a1b2 100644
--- a/src/wallet/ek_public.cpp
+++ b/src/wallet/ek_public.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/wallet/ek_token.cpp b/src/wallet/ek_token.cpp
index 898ba7849b..d01eaaae45 100644
--- a/src/wallet/ek_token.cpp
+++ b/src/wallet/ek_token.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/wallet/electrum.cpp b/src/wallet/electrum.cpp
index 9fe0cce16a..7e452b0478 100644
--- a/src/wallet/electrum.cpp
+++ b/src/wallet/electrum.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/wallet/electrum_dictionary.cpp b/src/wallet/electrum_dictionary.cpp
index 83c347814b..c93fd4e78e 100644
--- a/src/wallet/electrum_dictionary.cpp
+++ b/src/wallet/electrum_dictionary.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/wallet/encrypted_keys.cpp b/src/wallet/encrypted_keys.cpp
index cf9acebaed..d4709a463b 100644
--- a/src/wallet/encrypted_keys.cpp
+++ b/src/wallet/encrypted_keys.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/wallet/hd_private.cpp b/src/wallet/hd_private.cpp
index c6f9554372..bd406a9535 100644
--- a/src/wallet/hd_private.cpp
+++ b/src/wallet/hd_private.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/wallet/hd_public.cpp b/src/wallet/hd_public.cpp
index 98be27450d..49de8ef9bd 100644
--- a/src/wallet/hd_public.cpp
+++ b/src/wallet/hd_public.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/wallet/message.cpp b/src/wallet/message.cpp
index 4028cb7204..5a4c871f2a 100644
--- a/src/wallet/message.cpp
+++ b/src/wallet/message.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/wallet/mini_keys.cpp b/src/wallet/mini_keys.cpp
index f63fab58f9..88e242838c 100644
--- a/src/wallet/mini_keys.cpp
+++ b/src/wallet/mini_keys.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/wallet/mnemonic.cpp b/src/wallet/mnemonic.cpp
index eff86b8e53..5bcf3936c6 100644
--- a/src/wallet/mnemonic.cpp
+++ b/src/wallet/mnemonic.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/wallet/parse_encrypted_keys/parse_encrypted_key.hpp b/src/wallet/parse_encrypted_keys/parse_encrypted_key.hpp
index 75da958e9e..6ff9432107 100644
--- a/src/wallet/parse_encrypted_keys/parse_encrypted_key.hpp
+++ b/src/wallet/parse_encrypted_keys/parse_encrypted_key.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/wallet/parse_encrypted_keys/parse_encrypted_key.ipp b/src/wallet/parse_encrypted_keys/parse_encrypted_key.ipp
index 9432719fba..b41d4cd560 100644
--- a/src/wallet/parse_encrypted_keys/parse_encrypted_key.ipp
+++ b/src/wallet/parse_encrypted_keys/parse_encrypted_key.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/wallet/parse_encrypted_keys/parse_encrypted_prefix.hpp b/src/wallet/parse_encrypted_keys/parse_encrypted_prefix.hpp
index 9a0957a250..f556db1e70 100644
--- a/src/wallet/parse_encrypted_keys/parse_encrypted_prefix.hpp
+++ b/src/wallet/parse_encrypted_keys/parse_encrypted_prefix.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/wallet/parse_encrypted_keys/parse_encrypted_prefix.ipp b/src/wallet/parse_encrypted_keys/parse_encrypted_prefix.ipp
index f2321072e6..639e1bbef2 100644
--- a/src/wallet/parse_encrypted_keys/parse_encrypted_prefix.ipp
+++ b/src/wallet/parse_encrypted_keys/parse_encrypted_prefix.ipp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/wallet/parse_encrypted_keys/parse_encrypted_private.cpp b/src/wallet/parse_encrypted_keys/parse_encrypted_private.cpp
index 3bc727ed85..d2519f5e0c 100644
--- a/src/wallet/parse_encrypted_keys/parse_encrypted_private.cpp
+++ b/src/wallet/parse_encrypted_keys/parse_encrypted_private.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/wallet/parse_encrypted_keys/parse_encrypted_private.hpp b/src/wallet/parse_encrypted_keys/parse_encrypted_private.hpp
index 5fc54cbbea..f34da3bd25 100644
--- a/src/wallet/parse_encrypted_keys/parse_encrypted_private.hpp
+++ b/src/wallet/parse_encrypted_keys/parse_encrypted_private.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/wallet/parse_encrypted_keys/parse_encrypted_public.cpp b/src/wallet/parse_encrypted_keys/parse_encrypted_public.cpp
index 3483d010ec..2f12347c20 100644
--- a/src/wallet/parse_encrypted_keys/parse_encrypted_public.cpp
+++ b/src/wallet/parse_encrypted_keys/parse_encrypted_public.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/wallet/parse_encrypted_keys/parse_encrypted_public.hpp b/src/wallet/parse_encrypted_keys/parse_encrypted_public.hpp
index da9e5eaa9a..310ab6d015 100644
--- a/src/wallet/parse_encrypted_keys/parse_encrypted_public.hpp
+++ b/src/wallet/parse_encrypted_keys/parse_encrypted_public.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/wallet/parse_encrypted_keys/parse_encrypted_token.cpp b/src/wallet/parse_encrypted_keys/parse_encrypted_token.cpp
index 8953bcca08..b306ad2a53 100644
--- a/src/wallet/parse_encrypted_keys/parse_encrypted_token.cpp
+++ b/src/wallet/parse_encrypted_keys/parse_encrypted_token.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/wallet/parse_encrypted_keys/parse_encrypted_token.hpp b/src/wallet/parse_encrypted_keys/parse_encrypted_token.hpp
index 9bdba0b51f..6080dec881 100644
--- a/src/wallet/parse_encrypted_keys/parse_encrypted_token.hpp
+++ b/src/wallet/parse_encrypted_keys/parse_encrypted_token.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/wallet/payment_address.cpp b/src/wallet/payment_address.cpp
index e650663e8a..72b4dc2723 100644
--- a/src/wallet/payment_address.cpp
+++ b/src/wallet/payment_address.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/wallet/qrcode.cpp b/src/wallet/qrcode.cpp
index 3fa98fae6c..df1e816770 100644
--- a/src/wallet/qrcode.cpp
+++ b/src/wallet/qrcode.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/wallet/select_outputs.cpp b/src/wallet/select_outputs.cpp
index 6299fb6686..1d65ae2fdc 100644
--- a/src/wallet/select_outputs.cpp
+++ b/src/wallet/select_outputs.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/wallet/stealth_address.cpp b/src/wallet/stealth_address.cpp
index e0629e7f4e..794b4fb2fd 100644
--- a/src/wallet/stealth_address.cpp
+++ b/src/wallet/stealth_address.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/wallet/stealth_receiver.cpp b/src/wallet/stealth_receiver.cpp
index e0be64f061..098c8aa860 100644
--- a/src/wallet/stealth_receiver.cpp
+++ b/src/wallet/stealth_receiver.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/wallet/stealth_sender.cpp b/src/wallet/stealth_sender.cpp
index ccc4174c9d..fee35b5988 100644
--- a/src/wallet/stealth_sender.cpp
+++ b/src/wallet/stealth_sender.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/wallet/uri.cpp b/src/wallet/uri.cpp
index 0d5bd289ac..666571f9d8 100644
--- a/src/wallet/uri.cpp
+++ b/src/wallet/uri.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/chain/block.cpp b/test/chain/block.cpp
index fb545c332f..fe3f0e8542 100644
--- a/test/chain/block.cpp
+++ b/test/chain/block.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/chain/compact.cpp b/test/chain/compact.cpp
index 319be1bb95..7d6c085779 100644
--- a/test/chain/compact.cpp
+++ b/test/chain/compact.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/chain/header.cpp b/test/chain/header.cpp
index e6ba2998a0..d1da5931cd 100644
--- a/test/chain/header.cpp
+++ b/test/chain/header.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/chain/input.cpp b/test/chain/input.cpp
index 143e89af19..4aa2defd28 100644
--- a/test/chain/input.cpp
+++ b/test/chain/input.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/chain/output.cpp b/test/chain/output.cpp
index bf52744ed8..1cf9967bad 100644
--- a/test/chain/output.cpp
+++ b/test/chain/output.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/chain/output_point.cpp b/test/chain/output_point.cpp
index fa784b1ad5..2f95d0a855 100644
--- a/test/chain/output_point.cpp
+++ b/test/chain/output_point.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/chain/payment_record.cpp b/test/chain/payment_record.cpp
index 14b01e1c7e..422722ac66 100644
--- a/test/chain/payment_record.cpp
+++ b/test/chain/payment_record.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/chain/point.cpp b/test/chain/point.cpp
index 3f1e1dd193..c738c1168d 100644
--- a/test/chain/point.cpp
+++ b/test/chain/point.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/chain/point_value.cpp b/test/chain/point_value.cpp
index 0a4678a180..85326a95d9 100644
--- a/test/chain/point_value.cpp
+++ b/test/chain/point_value.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/chain/points_value.cpp b/test/chain/points_value.cpp
index 1022d77a93..4aaadc671a 100644
--- a/test/chain/points_value.cpp
+++ b/test/chain/points_value.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/chain/satoshi_words.cpp b/test/chain/satoshi_words.cpp
index b87e2bb7cf..be80fb0f36 100644
--- a/test/chain/satoshi_words.cpp
+++ b/test/chain/satoshi_words.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/chain/script.cpp b/test/chain/script.cpp
index de58a84721..2f3cdcd78d 100644
--- a/test/chain/script.cpp
+++ b/test/chain/script.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/chain/script.hpp b/test/chain/script.hpp
index b64cd8b53b..9eb17d2d4c 100644
--- a/test/chain/script.hpp
+++ b/test/chain/script.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/chain/stealth_record.cpp b/test/chain/stealth_record.cpp
index d2a9e4cc2e..fb70f79bbd 100644
--- a/test/chain/stealth_record.cpp
+++ b/test/chain/stealth_record.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/chain/transaction.cpp b/test/chain/transaction.cpp
index 9573f4541e..7250e9ec7a 100644
--- a/test/chain/transaction.cpp
+++ b/test/chain/transaction.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/config/authority.cpp b/test/config/authority.cpp
index a73d2b534b..3ef6192910 100644
--- a/test/config/authority.cpp
+++ b/test/config/authority.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/config/base58.cpp b/test/config/base58.cpp
index 814292e7a9..d422436f69 100644
--- a/test/config/base58.cpp
+++ b/test/config/base58.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/config/checkpoint.cpp b/test/config/checkpoint.cpp
index 526b497060..9228ddca88 100644
--- a/test/config/checkpoint.cpp
+++ b/test/config/checkpoint.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/config/endpoint.cpp b/test/config/endpoint.cpp
index f27daf8cf6..dfa00f7050 100644
--- a/test/config/endpoint.cpp
+++ b/test/config/endpoint.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/config/hash256.cpp b/test/config/hash256.cpp
index b6eea2c4de..d24f3e4f19 100644
--- a/test/config/hash256.cpp
+++ b/test/config/hash256.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/config/parameter.cpp b/test/config/parameter.cpp
index 2dc8bb5054..e390fab35e 100644
--- a/test/config/parameter.cpp
+++ b/test/config/parameter.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/config/printer.cpp b/test/config/printer.cpp
index 905fdf29ee..3ad8f6346a 100644
--- a/test/config/printer.cpp
+++ b/test/config/printer.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/formats/base_10.cpp b/test/formats/base_10.cpp
index 2d55a71964..36c30015e2 100644
--- a/test/formats/base_10.cpp
+++ b/test/formats/base_10.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/formats/base_16.cpp b/test/formats/base_16.cpp
index d9e9700694..f50ef80753 100644
--- a/test/formats/base_16.cpp
+++ b/test/formats/base_16.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/formats/base_58.cpp b/test/formats/base_58.cpp
index e41960db7a..c6a2d0e693 100644
--- a/test/formats/base_58.cpp
+++ b/test/formats/base_58.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/formats/base_64.cpp b/test/formats/base_64.cpp
index 7ef276ec58..28b2d0c51a 100644
--- a/test/formats/base_64.cpp
+++ b/test/formats/base_64.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/formats/base_85.cpp b/test/formats/base_85.cpp
index 4cf160f69b..794708e0e1 100644
--- a/test/formats/base_85.cpp
+++ b/test/formats/base_85.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/machine/number.cpp b/test/machine/number.cpp
index d12fe5d267..36495e05a4 100644
--- a/test/machine/number.cpp
+++ b/test/machine/number.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/machine/number.hpp b/test/machine/number.hpp
index 03c6e89e4d..32b050bb4a 100644
--- a/test/machine/number.hpp
+++ b/test/machine/number.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/machine/opcode.cpp b/test/machine/opcode.cpp
index 88496643a7..85d5c64ff0 100644
--- a/test/machine/opcode.cpp
+++ b/test/machine/opcode.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/machine/operation.cpp b/test/machine/operation.cpp
index c955ccee0c..f756fbde9e 100644
--- a/test/machine/operation.cpp
+++ b/test/machine/operation.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/main.cpp b/test/main.cpp
index 1394c14a03..3f9c329139 100644
--- a/test/main.cpp
+++ b/test/main.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/math/checksum.cpp b/test/math/checksum.cpp
index 8164edb6ee..b8f69e3996 100644
--- a/test/math/checksum.cpp
+++ b/test/math/checksum.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/math/elliptic_curve.cpp b/test/math/elliptic_curve.cpp
index 3d5bc4769d..b228191c9a 100644
--- a/test/math/elliptic_curve.cpp
+++ b/test/math/elliptic_curve.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/math/hash.cpp b/test/math/hash.cpp
index 8a7fb1ff60..09eac20071 100644
--- a/test/math/hash.cpp
+++ b/test/math/hash.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/math/hash.hpp b/test/math/hash.hpp
index 07cbfa4168..720af9ef65 100644
--- a/test/math/hash.hpp
+++ b/test/math/hash.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/math/limits.cpp b/test/math/limits.cpp
index 83d02567c3..1cc1e74063 100644
--- a/test/math/limits.cpp
+++ b/test/math/limits.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/math/ring_signature.cpp b/test/math/ring_signature.cpp
index c9aedb624a..f381d8a2c7 100644
--- a/test/math/ring_signature.cpp
+++ b/test/math/ring_signature.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/math/stealth.cpp b/test/math/stealth.cpp
index c55a271b4f..5551cfb42b 100644
--- a/test/math/stealth.cpp
+++ b/test/math/stealth.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/math/uint256.cpp b/test/math/uint256.cpp
index a8a22d7b01..68d703071a 100644
--- a/test/math/uint256.cpp
+++ b/test/math/uint256.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/message/address.cpp b/test/message/address.cpp
index 20d1ac022c..f2a313068d 100644
--- a/test/message/address.cpp
+++ b/test/message/address.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/message/alert.cpp b/test/message/alert.cpp
index c539ccefa9..ff5dc6b27e 100644
--- a/test/message/alert.cpp
+++ b/test/message/alert.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/message/alert_payload.cpp b/test/message/alert_payload.cpp
index eda2d5b663..49adb4b063 100644
--- a/test/message/alert_payload.cpp
+++ b/test/message/alert_payload.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/message/block.cpp b/test/message/block.cpp
index b07a1120b6..78267edf1b 100644
--- a/test/message/block.cpp
+++ b/test/message/block.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/message/block_transactions.cpp b/test/message/block_transactions.cpp
index 71c2890ce7..37dd0455a5 100644
--- a/test/message/block_transactions.cpp
+++ b/test/message/block_transactions.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/message/compact_block.cpp b/test/message/compact_block.cpp
index e660f5ef3f..18556d70e4 100644
--- a/test/message/compact_block.cpp
+++ b/test/message/compact_block.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/message/fee_filter.cpp b/test/message/fee_filter.cpp
index e999e7425d..660ecf1c15 100644
--- a/test/message/fee_filter.cpp
+++ b/test/message/fee_filter.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/message/filter_add.cpp b/test/message/filter_add.cpp
index c963aabaf7..705a7fd54b 100644
--- a/test/message/filter_add.cpp
+++ b/test/message/filter_add.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/message/filter_clear.cpp b/test/message/filter_clear.cpp
index 6f64ba939f..f892197988 100644
--- a/test/message/filter_clear.cpp
+++ b/test/message/filter_clear.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/message/filter_load.cpp b/test/message/filter_load.cpp
index f8b5fd471d..8f68342f51 100644
--- a/test/message/filter_load.cpp
+++ b/test/message/filter_load.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/message/get_address.cpp b/test/message/get_address.cpp
index 71287ef59d..befcb072d5 100644
--- a/test/message/get_address.cpp
+++ b/test/message/get_address.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/message/get_block_transactions.cpp b/test/message/get_block_transactions.cpp
index 491f65771d..5404574291 100644
--- a/test/message/get_block_transactions.cpp
+++ b/test/message/get_block_transactions.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/message/get_blocks.cpp b/test/message/get_blocks.cpp
index 9a70ec38d7..e6c0a4cf55 100644
--- a/test/message/get_blocks.cpp
+++ b/test/message/get_blocks.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/message/get_data.cpp b/test/message/get_data.cpp
index 49ac7372b3..4d5069ffd7 100644
--- a/test/message/get_data.cpp
+++ b/test/message/get_data.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/message/get_headers.cpp b/test/message/get_headers.cpp
index e1e188ec42..6cd829c99e 100644
--- a/test/message/get_headers.cpp
+++ b/test/message/get_headers.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/message/header.cpp b/test/message/header.cpp
index 11c1172146..6a1ac691e8 100644
--- a/test/message/header.cpp
+++ b/test/message/header.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/message/headers.cpp b/test/message/headers.cpp
index b80091d311..a2f025bc2e 100644
--- a/test/message/headers.cpp
+++ b/test/message/headers.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/message/heading.cpp b/test/message/heading.cpp
index 9fa5032d7a..4d3de2c2b4 100644
--- a/test/message/heading.cpp
+++ b/test/message/heading.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/message/inventory.cpp b/test/message/inventory.cpp
index 349589d1a2..c9287c6194 100644
--- a/test/message/inventory.cpp
+++ b/test/message/inventory.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/message/inventory_vector.cpp b/test/message/inventory_vector.cpp
index 1e92b3d2e6..9eb411fbd2 100644
--- a/test/message/inventory_vector.cpp
+++ b/test/message/inventory_vector.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/message/memory_pool.cpp b/test/message/memory_pool.cpp
index 0bb41d2db0..92959ab9d1 100644
--- a/test/message/memory_pool.cpp
+++ b/test/message/memory_pool.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/message/merkle_block.cpp b/test/message/merkle_block.cpp
index 646e7124e5..9bb305763f 100644
--- a/test/message/merkle_block.cpp
+++ b/test/message/merkle_block.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/message/messages.cpp b/test/message/messages.cpp
index dc248fca86..425d52a664 100644
--- a/test/message/messages.cpp
+++ b/test/message/messages.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/message/network_address.cpp b/test/message/network_address.cpp
index db62acc1ca..7899fb2679 100644
--- a/test/message/network_address.cpp
+++ b/test/message/network_address.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/message/not_found.cpp b/test/message/not_found.cpp
index 64c4f00525..5969494473 100644
--- a/test/message/not_found.cpp
+++ b/test/message/not_found.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/message/ping.cpp b/test/message/ping.cpp
index e717ef6835..526ff5207b 100644
--- a/test/message/ping.cpp
+++ b/test/message/ping.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/message/pong.cpp b/test/message/pong.cpp
index 225e04edde..6d82a606b5 100644
--- a/test/message/pong.cpp
+++ b/test/message/pong.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/message/prefilled_transaction.cpp b/test/message/prefilled_transaction.cpp
index 747ba3a180..bc3a36d6d9 100644
--- a/test/message/prefilled_transaction.cpp
+++ b/test/message/prefilled_transaction.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/message/reject.cpp b/test/message/reject.cpp
index fe4cdf4cd5..3bb4dbe298 100644
--- a/test/message/reject.cpp
+++ b/test/message/reject.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/message/send_compact.cpp b/test/message/send_compact.cpp
index bd24a34caf..23622a71ee 100644
--- a/test/message/send_compact.cpp
+++ b/test/message/send_compact.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/message/send_headers.cpp b/test/message/send_headers.cpp
index 6173f4107f..7e3c6cd6c6 100644
--- a/test/message/send_headers.cpp
+++ b/test/message/send_headers.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/message/transaction.cpp b/test/message/transaction.cpp
index 26f77ec650..eed8c367e9 100644
--- a/test/message/transaction.cpp
+++ b/test/message/transaction.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/message/verack.cpp b/test/message/verack.cpp
index c64a73754a..0571a429f0 100644
--- a/test/message/verack.cpp
+++ b/test/message/verack.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/message/version.cpp b/test/message/version.cpp
index a0fd3dbf23..2d6189b661 100644
--- a/test/message/version.cpp
+++ b/test/message/version.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/unicode/unicode.cpp b/test/unicode/unicode.cpp
index c00ca75b1b..777e024054 100644
--- a/test/unicode/unicode.cpp
+++ b/test/unicode/unicode.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/unicode/unicode_istream.cpp b/test/unicode/unicode_istream.cpp
index 8510c23b67..c560971fb5 100644
--- a/test/unicode/unicode_istream.cpp
+++ b/test/unicode/unicode_istream.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/unicode/unicode_ostream.cpp b/test/unicode/unicode_ostream.cpp
index cf51a9952c..29808e9efd 100644
--- a/test/unicode/unicode_ostream.cpp
+++ b/test/unicode/unicode_ostream.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/utility/binary.cpp b/test/utility/binary.cpp
index 09c655eecc..664f0a37a4 100644
--- a/test/utility/binary.cpp
+++ b/test/utility/binary.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/utility/collection.cpp b/test/utility/collection.cpp
index 1479038606..77ed61fef2 100644
--- a/test/utility/collection.cpp
+++ b/test/utility/collection.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/utility/data.cpp b/test/utility/data.cpp
index 6225b19f5e..b5c41ed302 100644
--- a/test/utility/data.cpp
+++ b/test/utility/data.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/utility/endian.cpp b/test/utility/endian.cpp
index 04ba3d56c1..43e30fae29 100644
--- a/test/utility/endian.cpp
+++ b/test/utility/endian.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/utility/png.cpp b/test/utility/png.cpp
index 799004a56d..0e40c19d36 100644
--- a/test/utility/png.cpp
+++ b/test/utility/png.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/utility/property_tree.cpp b/test/utility/property_tree.cpp
index 430ab08da2..a7df823a64 100644
--- a/test/utility/property_tree.cpp
+++ b/test/utility/property_tree.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/utility/pseudo_random.cpp b/test/utility/pseudo_random.cpp
index f09f8d10ad..d33c7cb200 100644
--- a/test/utility/pseudo_random.cpp
+++ b/test/utility/pseudo_random.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/utility/serializer.cpp b/test/utility/serializer.cpp
index 16a370cd86..8372373b83 100644
--- a/test/utility/serializer.cpp
+++ b/test/utility/serializer.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/utility/stream.cpp b/test/utility/stream.cpp
index c860efa61c..a016e83df2 100644
--- a/test/utility/stream.cpp
+++ b/test/utility/stream.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/utility/thread.cpp b/test/utility/thread.cpp
index 280d7f1aec..6d66adb1b4 100644
--- a/test/utility/thread.cpp
+++ b/test/utility/thread.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/wallet/bitcoin_uri.cpp b/test/wallet/bitcoin_uri.cpp
index 8631653450..f62bf97003 100644
--- a/test/wallet/bitcoin_uri.cpp
+++ b/test/wallet/bitcoin_uri.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/wallet/ec_private.cpp b/test/wallet/ec_private.cpp
index e8396368aa..41e5c1ab80 100644
--- a/test/wallet/ec_private.cpp
+++ b/test/wallet/ec_private.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/wallet/ec_public.cpp b/test/wallet/ec_public.cpp
index b4519fd77e..e5c43e837c 100644
--- a/test/wallet/ec_public.cpp
+++ b/test/wallet/ec_public.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/wallet/electrum.cpp b/test/wallet/electrum.cpp
index d8617030e1..e3c6e46b58 100644
--- a/test/wallet/electrum.cpp
+++ b/test/wallet/electrum.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/wallet/encrypted_keys.cpp b/test/wallet/encrypted_keys.cpp
index 6cc9a865ab..63a04b087b 100644
--- a/test/wallet/encrypted_keys.cpp
+++ b/test/wallet/encrypted_keys.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/wallet/hd_private.cpp b/test/wallet/hd_private.cpp
index c73d121e98..684fd107e4 100644
--- a/test/wallet/hd_private.cpp
+++ b/test/wallet/hd_private.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/wallet/hd_public.cpp b/test/wallet/hd_public.cpp
index c936015024..7b246f361d 100644
--- a/test/wallet/hd_public.cpp
+++ b/test/wallet/hd_public.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/wallet/message.cpp b/test/wallet/message.cpp
index 13263c21ef..13ede9de7a 100644
--- a/test/wallet/message.cpp
+++ b/test/wallet/message.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/wallet/mnemonic.cpp b/test/wallet/mnemonic.cpp
index cc18d4d6f6..f40abef1b0 100644
--- a/test/wallet/mnemonic.cpp
+++ b/test/wallet/mnemonic.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/wallet/mnemonic.hpp b/test/wallet/mnemonic.hpp
index b6224ed3ed..0e9edd71ee 100644
--- a/test/wallet/mnemonic.hpp
+++ b/test/wallet/mnemonic.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/wallet/payment_address.cpp b/test/wallet/payment_address.cpp
index 3112ce053d..2b2a54484d 100644
--- a/test/wallet/payment_address.cpp
+++ b/test/wallet/payment_address.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/wallet/qrcode.cpp b/test/wallet/qrcode.cpp
index 7eee7a4b84..2e76f78235 100644
--- a/test/wallet/qrcode.cpp
+++ b/test/wallet/qrcode.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/wallet/select_outputs.cpp b/test/wallet/select_outputs.cpp
index 5542f9f73b..febbe48900 100644
--- a/test/wallet/select_outputs.cpp
+++ b/test/wallet/select_outputs.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/wallet/stealth_address.cpp b/test/wallet/stealth_address.cpp
index d006cad26f..b6787232b0 100644
--- a/test/wallet/stealth_address.cpp
+++ b/test/wallet/stealth_address.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/wallet/stealth_receiver.cpp b/test/wallet/stealth_receiver.cpp
index f9478097c0..5a92836199 100644
--- a/test/wallet/stealth_receiver.cpp
+++ b/test/wallet/stealth_receiver.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/wallet/stealth_sender.cpp b/test/wallet/stealth_sender.cpp
index abd7c247e3..f6b2f0950e 100644
--- a/test/wallet/stealth_sender.cpp
+++ b/test/wallet/stealth_sender.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/wallet/uri.cpp b/test/wallet/uri.cpp
index 18c4e12bdc..446ff9622c 100644
--- a/test/wallet/uri.cpp
+++ b/test/wallet/uri.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/wallet/uri_reader.cpp b/test/wallet/uri_reader.cpp
index 4d23848ece..b1a7bd86a8 100644
--- a/test/wallet/uri_reader.cpp
+++ b/test/wallet/uri_reader.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2018 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *