diff --git a/COPYING b/COPYING
index d8c261f5..8844fad5 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/Makefile.am b/Makefile.am
index b744a0f1..0e606078 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,5 +1,5 @@
 ###############################################################################
-#  Copyright (c) 2014-2015 libbitcoin-protocol developers (see COPYING).
+#  Copyright (c) 2014-2018 libbitcoin-protocol developers (see COPYING).
 #
 #         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
 #
diff --git a/autogen.sh b/autogen.sh
index 1f65002a..e64caea2 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 ###############################################################################
-#  Copyright (c) 2014-2015 libbitcoin-protocol developers (see COPYING).
+#  Copyright (c) 2014-2018 libbitcoin-protocol developers (see COPYING).
 #
 #         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
 #
diff --git a/build.cmd b/build.cmd
index 7ab27340..d3d32a37 100644
--- a/build.cmd
+++ b/build.cmd
@@ -1,5 +1,5 @@
 REM ###########################################################################
-REM #  Copyright (c) 2014-2015 libbitcoin-protocol developers (see COPYING).
+REM #  Copyright (c) 2014-2018 libbitcoin-protocol developers (see COPYING).
 REM #
 REM #         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
 REM #
diff --git a/builds/msvc/vs2013/libbitcoin-protocol-test/libbitcoin-protocol-test.vcxproj b/builds/msvc/vs2013/libbitcoin-protocol-test/libbitcoin-protocol-test.vcxproj
index 45c4d004..3b0609ff 100644
--- a/builds/msvc/vs2013/libbitcoin-protocol-test/libbitcoin-protocol-test.vcxproj
+++ b/builds/msvc/vs2013/libbitcoin-protocol-test/libbitcoin-protocol-test.vcxproj
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
- |  Copyright (c) 2014-2015 libbitcoin-protocol developers (see COPYING).
+ |  Copyright (c) 2014-2018 libbitcoin-protocol developers (see COPYING).
  |
  |         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
  |
diff --git a/builds/msvc/vs2013/libbitcoin-protocol-test/libbitcoin-protocol-test.vcxproj.filters b/builds/msvc/vs2013/libbitcoin-protocol-test/libbitcoin-protocol-test.vcxproj.filters
index 2784e493..9fc8f818 100644
--- a/builds/msvc/vs2013/libbitcoin-protocol-test/libbitcoin-protocol-test.vcxproj.filters
+++ b/builds/msvc/vs2013/libbitcoin-protocol-test/libbitcoin-protocol-test.vcxproj.filters
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
- |  Copyright (c) 2014-2015 libbitcoin-protocol developers (see COPYING).
+ |  Copyright (c) 2014-2018 libbitcoin-protocol developers (see COPYING).
  |
  |         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
  |
diff --git a/builds/msvc/vs2013/libbitcoin-protocol-test/packages.config b/builds/msvc/vs2013/libbitcoin-protocol-test/packages.config
index e5d16c4c..d3b9de8f 100644
--- a/builds/msvc/vs2013/libbitcoin-protocol-test/packages.config
+++ b/builds/msvc/vs2013/libbitcoin-protocol-test/packages.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
- |  Copyright (c) 2014-2015 libbitcoin-protocol developers (see COPYING).
+ |  Copyright (c) 2014-2018 libbitcoin-protocol developers (see COPYING).
  |
  |         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
  |
diff --git a/builds/msvc/vs2013/libbitcoin-protocol/libbitcoin-protocol.vcxproj b/builds/msvc/vs2013/libbitcoin-protocol/libbitcoin-protocol.vcxproj
index 4473e6fb..94d4c26b 100644
--- a/builds/msvc/vs2013/libbitcoin-protocol/libbitcoin-protocol.vcxproj
+++ b/builds/msvc/vs2013/libbitcoin-protocol/libbitcoin-protocol.vcxproj
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
- |  Copyright (c) 2014-2015 libbitcoin-protocol developers (see COPYING).
+ |  Copyright (c) 2014-2018 libbitcoin-protocol developers (see COPYING).
  |
  |         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
  |
diff --git a/builds/msvc/vs2013/libbitcoin-protocol/libbitcoin-protocol.vcxproj.filters b/builds/msvc/vs2013/libbitcoin-protocol/libbitcoin-protocol.vcxproj.filters
index 02dcce12..a4f4da45 100644
--- a/builds/msvc/vs2013/libbitcoin-protocol/libbitcoin-protocol.vcxproj.filters
+++ b/builds/msvc/vs2013/libbitcoin-protocol/libbitcoin-protocol.vcxproj.filters
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
- |  Copyright (c) 2014-2015 libbitcoin-protocol developers (see COPYING).
+ |  Copyright (c) 2014-2018 libbitcoin-protocol developers (see COPYING).
  |
  |         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
  |
diff --git a/builds/msvc/vs2013/libbitcoin-protocol/packages.config b/builds/msvc/vs2013/libbitcoin-protocol/packages.config
index 91c5bdcf..48c653cd 100644
--- a/builds/msvc/vs2013/libbitcoin-protocol/packages.config
+++ b/builds/msvc/vs2013/libbitcoin-protocol/packages.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
- |  Copyright (c) 2014-2015 libbitcoin-protocol developers (see COPYING).
+ |  Copyright (c) 2014-2018 libbitcoin-protocol developers (see COPYING).
  |
  |         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
  |
diff --git a/builds/msvc/vs2015/libbitcoin-protocol-test/libbitcoin-protocol-test.vcxproj b/builds/msvc/vs2015/libbitcoin-protocol-test/libbitcoin-protocol-test.vcxproj
index 7bf618e4..aaa20baf 100644
--- a/builds/msvc/vs2015/libbitcoin-protocol-test/libbitcoin-protocol-test.vcxproj
+++ b/builds/msvc/vs2015/libbitcoin-protocol-test/libbitcoin-protocol-test.vcxproj
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
- |  Copyright (c) 2014-2015 libbitcoin-protocol developers (see COPYING).
+ |  Copyright (c) 2014-2018 libbitcoin-protocol developers (see COPYING).
  |
  |         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
  |
diff --git a/builds/msvc/vs2015/libbitcoin-protocol-test/libbitcoin-protocol-test.vcxproj.filters b/builds/msvc/vs2015/libbitcoin-protocol-test/libbitcoin-protocol-test.vcxproj.filters
index 2784e493..9fc8f818 100644
--- a/builds/msvc/vs2015/libbitcoin-protocol-test/libbitcoin-protocol-test.vcxproj.filters
+++ b/builds/msvc/vs2015/libbitcoin-protocol-test/libbitcoin-protocol-test.vcxproj.filters
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
- |  Copyright (c) 2014-2015 libbitcoin-protocol developers (see COPYING).
+ |  Copyright (c) 2014-2018 libbitcoin-protocol developers (see COPYING).
  |
  |         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
  |
diff --git a/builds/msvc/vs2015/libbitcoin-protocol-test/packages.config b/builds/msvc/vs2015/libbitcoin-protocol-test/packages.config
index f1f86495..bae7037a 100644
--- a/builds/msvc/vs2015/libbitcoin-protocol-test/packages.config
+++ b/builds/msvc/vs2015/libbitcoin-protocol-test/packages.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
- |  Copyright (c) 2014-2015 libbitcoin-protocol developers (see COPYING).
+ |  Copyright (c) 2014-2018 libbitcoin-protocol developers (see COPYING).
  |
  |         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
  |
diff --git a/builds/msvc/vs2015/libbitcoin-protocol/libbitcoin-protocol.vcxproj b/builds/msvc/vs2015/libbitcoin-protocol/libbitcoin-protocol.vcxproj
index df57619a..bbd19479 100644
--- a/builds/msvc/vs2015/libbitcoin-protocol/libbitcoin-protocol.vcxproj
+++ b/builds/msvc/vs2015/libbitcoin-protocol/libbitcoin-protocol.vcxproj
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
- |  Copyright (c) 2014-2015 libbitcoin-protocol developers (see COPYING).
+ |  Copyright (c) 2014-2018 libbitcoin-protocol developers (see COPYING).
  |
  |         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
  |
diff --git a/builds/msvc/vs2015/libbitcoin-protocol/libbitcoin-protocol.vcxproj.filters b/builds/msvc/vs2015/libbitcoin-protocol/libbitcoin-protocol.vcxproj.filters
index b01032f9..b81b3213 100644
--- a/builds/msvc/vs2015/libbitcoin-protocol/libbitcoin-protocol.vcxproj.filters
+++ b/builds/msvc/vs2015/libbitcoin-protocol/libbitcoin-protocol.vcxproj.filters
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
- |  Copyright (c) 2014-2015 libbitcoin-protocol developers (see COPYING).
+ |  Copyright (c) 2014-2018 libbitcoin-protocol developers (see COPYING).
  |
  |         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
  |
diff --git a/builds/msvc/vs2015/libbitcoin-protocol/packages.config b/builds/msvc/vs2015/libbitcoin-protocol/packages.config
index f7fc7cf2..51ca83f7 100644
--- a/builds/msvc/vs2015/libbitcoin-protocol/packages.config
+++ b/builds/msvc/vs2015/libbitcoin-protocol/packages.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
- |  Copyright (c) 2014-2015 libbitcoin-protocol developers (see COPYING).
+ |  Copyright (c) 2014-2018 libbitcoin-protocol developers (see COPYING).
  |
  |         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
  |
diff --git a/builds/msvc/vs2017/libbitcoin-protocol-test/libbitcoin-protocol-test.vcxproj b/builds/msvc/vs2017/libbitcoin-protocol-test/libbitcoin-protocol-test.vcxproj
index e54c3941..f18802fa 100644
--- a/builds/msvc/vs2017/libbitcoin-protocol-test/libbitcoin-protocol-test.vcxproj
+++ b/builds/msvc/vs2017/libbitcoin-protocol-test/libbitcoin-protocol-test.vcxproj
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
- |  Copyright (c) 2014-2015 libbitcoin-protocol developers (see COPYING).
+ |  Copyright (c) 2014-2018 libbitcoin-protocol developers (see COPYING).
  |
  |         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
  |
diff --git a/builds/msvc/vs2017/libbitcoin-protocol-test/libbitcoin-protocol-test.vcxproj.filters b/builds/msvc/vs2017/libbitcoin-protocol-test/libbitcoin-protocol-test.vcxproj.filters
index 2784e493..9fc8f818 100644
--- a/builds/msvc/vs2017/libbitcoin-protocol-test/libbitcoin-protocol-test.vcxproj.filters
+++ b/builds/msvc/vs2017/libbitcoin-protocol-test/libbitcoin-protocol-test.vcxproj.filters
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
- |  Copyright (c) 2014-2015 libbitcoin-protocol developers (see COPYING).
+ |  Copyright (c) 2014-2018 libbitcoin-protocol developers (see COPYING).
  |
  |         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
  |
diff --git a/builds/msvc/vs2017/libbitcoin-protocol-test/packages.config b/builds/msvc/vs2017/libbitcoin-protocol-test/packages.config
index 692902a0..aba08642 100644
--- a/builds/msvc/vs2017/libbitcoin-protocol-test/packages.config
+++ b/builds/msvc/vs2017/libbitcoin-protocol-test/packages.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
- |  Copyright (c) 2014-2015 libbitcoin-protocol developers (see COPYING).
+ |  Copyright (c) 2014-2018 libbitcoin-protocol developers (see COPYING).
  |
  |         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
  |
diff --git a/builds/msvc/vs2017/libbitcoin-protocol/libbitcoin-protocol.vcxproj b/builds/msvc/vs2017/libbitcoin-protocol/libbitcoin-protocol.vcxproj
index bcfb6e80..368578cd 100644
--- a/builds/msvc/vs2017/libbitcoin-protocol/libbitcoin-protocol.vcxproj
+++ b/builds/msvc/vs2017/libbitcoin-protocol/libbitcoin-protocol.vcxproj
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
- |  Copyright (c) 2014-2015 libbitcoin-protocol developers (see COPYING).
+ |  Copyright (c) 2014-2018 libbitcoin-protocol developers (see COPYING).
  |
  |         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
  |
diff --git a/builds/msvc/vs2017/libbitcoin-protocol/libbitcoin-protocol.vcxproj.filters b/builds/msvc/vs2017/libbitcoin-protocol/libbitcoin-protocol.vcxproj.filters
index 867ee0fd..60cff8a0 100644
--- a/builds/msvc/vs2017/libbitcoin-protocol/libbitcoin-protocol.vcxproj.filters
+++ b/builds/msvc/vs2017/libbitcoin-protocol/libbitcoin-protocol.vcxproj.filters
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
- |  Copyright (c) 2014-2015 libbitcoin-protocol developers (see COPYING).
+ |  Copyright (c) 2014-2018 libbitcoin-protocol developers (see COPYING).
  |
  |         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
  |
diff --git a/builds/msvc/vs2017/libbitcoin-protocol/packages.config b/builds/msvc/vs2017/libbitcoin-protocol/packages.config
index d0c055b4..22281f5c 100644
--- a/builds/msvc/vs2017/libbitcoin-protocol/packages.config
+++ b/builds/msvc/vs2017/libbitcoin-protocol/packages.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
- |  Copyright (c) 2014-2015 libbitcoin-protocol developers (see COPYING).
+ |  Copyright (c) 2014-2018 libbitcoin-protocol developers (see COPYING).
  |
  |         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
  |
diff --git a/configure.ac b/configure.ac
index 4d720329..6f60b9ec 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,5 +1,5 @@
 ###############################################################################
-#  Copyright (c) 2014-2015 libbitcoin-protocol developers (see COPYING).
+#  Copyright (c) 2014-2018 libbitcoin-protocol developers (see COPYING).
 #
 #         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
 #
diff --git a/include/bitcoin/protocol.hpp b/include/bitcoin/protocol.hpp
index dbb16195..1a669c5e 100644
--- a/include/bitcoin/protocol.hpp
+++ b/include/bitcoin/protocol.hpp
@@ -1,5 +1,5 @@
 ///////////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2014-2015 libbitcoin-protocol developers (see COPYING).
+// Copyright (c) 2014-2018 libbitcoin-protocol developers (see COPYING).
 //
 //        GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
 //
diff --git a/include/bitcoin/protocol/define.hpp b/include/bitcoin/protocol/define.hpp
index 6759ae43..3a8068ba 100644
--- a/include/bitcoin/protocol/define.hpp
+++ b/include/bitcoin/protocol/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/protocol/settings.hpp b/include/bitcoin/protocol/settings.hpp
index d9893b87..e5e947fb 100644
--- a/include/bitcoin/protocol/settings.hpp
+++ b/include/bitcoin/protocol/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/protocol/version.hpp b/include/bitcoin/protocol/version.hpp
index 50bfa2d0..3143eac4 100644
--- a/include/bitcoin/protocol/version.hpp
+++ b/include/bitcoin/protocol/version.hpp
@@ -1,5 +1,5 @@
 ///////////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2014-2015 libbitcoin-protocol developers (see COPYING).
+// Copyright (c) 2014-2018 libbitcoin-protocol developers (see COPYING).
 //
 //        GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
 //
diff --git a/include/bitcoin/protocol/zmq/authenticator.hpp b/include/bitcoin/protocol/zmq/authenticator.hpp
index 33f22fd0..85c932b2 100644
--- a/include/bitcoin/protocol/zmq/authenticator.hpp
+++ b/include/bitcoin/protocol/zmq/authenticator.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/protocol/zmq/certificate.hpp b/include/bitcoin/protocol/zmq/certificate.hpp
index 05a1740a..b28473e5 100644
--- a/include/bitcoin/protocol/zmq/certificate.hpp
+++ b/include/bitcoin/protocol/zmq/certificate.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/protocol/zmq/context.hpp b/include/bitcoin/protocol/zmq/context.hpp
index 5a21b831..e73f8816 100644
--- a/include/bitcoin/protocol/zmq/context.hpp
+++ b/include/bitcoin/protocol/zmq/context.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/protocol/zmq/frame.hpp b/include/bitcoin/protocol/zmq/frame.hpp
index ad847668..d5c5fb11 100644
--- a/include/bitcoin/protocol/zmq/frame.hpp
+++ b/include/bitcoin/protocol/zmq/frame.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/protocol/zmq/identifiers.hpp b/include/bitcoin/protocol/zmq/identifiers.hpp
index ffe6f7b4..47348090 100644
--- a/include/bitcoin/protocol/zmq/identifiers.hpp
+++ b/include/bitcoin/protocol/zmq/identifiers.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/protocol/zmq/message.hpp b/include/bitcoin/protocol/zmq/message.hpp
index 2ccf2acd..7e8a988f 100644
--- a/include/bitcoin/protocol/zmq/message.hpp
+++ b/include/bitcoin/protocol/zmq/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/protocol/zmq/poller.hpp b/include/bitcoin/protocol/zmq/poller.hpp
index cadfbe88..0c2fd7fe 100644
--- a/include/bitcoin/protocol/zmq/poller.hpp
+++ b/include/bitcoin/protocol/zmq/poller.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/protocol/zmq/socket.hpp b/include/bitcoin/protocol/zmq/socket.hpp
index de954539..83a7791b 100644
--- a/include/bitcoin/protocol/zmq/socket.hpp
+++ b/include/bitcoin/protocol/zmq/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/protocol/zmq/worker.hpp b/include/bitcoin/protocol/zmq/worker.hpp
index 28072546..abb17c97 100644
--- a/include/bitcoin/protocol/zmq/worker.hpp
+++ b/include/bitcoin/protocol/zmq/worker.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/protocol/zmq/zeromq.hpp b/include/bitcoin/protocol/zmq/zeromq.hpp
index 9c3a0680..1315690a 100644
--- a/include/bitcoin/protocol/zmq/zeromq.hpp
+++ b/include/bitcoin/protocol/zmq/zeromq.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/install.sh b/install.sh
index 1302f676..3b5a5f8b 100755
--- a/install.sh
+++ b/install.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 ###############################################################################
-#  Copyright (c) 2014-2015 libbitcoin-protocol developers (see COPYING).
+#  Copyright (c) 2014-2018 libbitcoin-protocol developers (see COPYING).
 #
 #         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
 #
diff --git a/libbitcoin-protocol-test_runner.sh b/libbitcoin-protocol-test_runner.sh
index 76926be3..016ec24f 100755
--- a/libbitcoin-protocol-test_runner.sh
+++ b/libbitcoin-protocol-test_runner.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 ###############################################################################
-#  Copyright (c) 2014-2015 libbitcoin-protocol developers (see COPYING).
+#  Copyright (c) 2014-2018 libbitcoin-protocol developers (see COPYING).
 #
 #         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
 #
diff --git a/libbitcoin-protocol.pc.in b/libbitcoin-protocol.pc.in
index 142a5dac..607673a9 100644
--- a/libbitcoin-protocol.pc.in
+++ b/libbitcoin-protocol.pc.in
@@ -1,5 +1,5 @@
 ###############################################################################
-#  Copyright (c) 2014-2015 libbitcoin-protocol developers (see COPYING).
+#  Copyright (c) 2014-2018 libbitcoin-protocol developers (see COPYING).
 #
 #         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
 #
diff --git a/src/settings.cpp b/src/settings.cpp
index 89e4c0f9..3dc530f4 100644
--- a/src/settings.cpp
+++ b/src/settings.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/zmq/authenticator.cpp b/src/zmq/authenticator.cpp
index 82df2b30..203e4365 100644
--- a/src/zmq/authenticator.cpp
+++ b/src/zmq/authenticator.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/zmq/certificate.cpp b/src/zmq/certificate.cpp
index 9c650026..19a8b358 100644
--- a/src/zmq/certificate.cpp
+++ b/src/zmq/certificate.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/zmq/context.cpp b/src/zmq/context.cpp
index 1ae8fe41..dad18a72 100644
--- a/src/zmq/context.cpp
+++ b/src/zmq/context.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/zmq/frame.cpp b/src/zmq/frame.cpp
index 192afebe..1d66fa70 100644
--- a/src/zmq/frame.cpp
+++ b/src/zmq/frame.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/zmq/identifiers.cpp b/src/zmq/identifiers.cpp
index 7db03aca..c6aa4c72 100644
--- a/src/zmq/identifiers.cpp
+++ b/src/zmq/identifiers.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/zmq/message.cpp b/src/zmq/message.cpp
index 5d299ee8..3a19f521 100644
--- a/src/zmq/message.cpp
+++ b/src/zmq/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/zmq/poller.cpp b/src/zmq/poller.cpp
index 3dd7f30d..dcfad979 100644
--- a/src/zmq/poller.cpp
+++ b/src/zmq/poller.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/zmq/socket.cpp b/src/zmq/socket.cpp
index 2797fb4d..6c486b57 100644
--- a/src/zmq/socket.cpp
+++ b/src/zmq/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/zmq/worker.cpp b/src/zmq/worker.cpp
index c5ed53ef..69633350 100644
--- a/src/zmq/worker.cpp
+++ b/src/zmq/worker.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/zmq/zeromq.cpp b/src/zmq/zeromq.cpp
index b80aff40..abc94e1c 100644
--- a/src/zmq/zeromq.cpp
+++ b/src/zmq/zeromq.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/converter.cpp b/test/converter.cpp
index ad5667c9..b9436507 100644
--- a/test/converter.cpp
+++ b/test/converter.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 a7417c2a..a9563fee 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/utility.hpp b/test/utility.hpp
index 75da1b87..92cb5701 100644
--- a/test/utility.hpp
+++ b/test/utility.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/zmq/authenticator.cpp b/test/zmq/authenticator.cpp
index c7d9128d..f4cb7a1b 100644
--- a/test/zmq/authenticator.cpp
+++ b/test/zmq/authenticator.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/zmq/certificate.cpp b/test/zmq/certificate.cpp
index 260e3788..6f431287 100644
--- a/test/zmq/certificate.cpp
+++ b/test/zmq/certificate.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/zmq/context.cpp b/test/zmq/context.cpp
index b8c6e242..37471dc7 100644
--- a/test/zmq/context.cpp
+++ b/test/zmq/context.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/zmq/frame.cpp b/test/zmq/frame.cpp
index 711cb565..68127ea8 100644
--- a/test/zmq/frame.cpp
+++ b/test/zmq/frame.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/zmq/identifiers.cpp b/test/zmq/identifiers.cpp
index d1e7dfd7..d3920ff1 100644
--- a/test/zmq/identifiers.cpp
+++ b/test/zmq/identifiers.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/zmq/message.cpp b/test/zmq/message.cpp
index 05754acc..3b251c40 100644
--- a/test/zmq/message.cpp
+++ b/test/zmq/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/zmq/poller.cpp b/test/zmq/poller.cpp
index cfd40321..4faf9a45 100644
--- a/test/zmq/poller.cpp
+++ b/test/zmq/poller.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/zmq/socket.cpp b/test/zmq/socket.cpp
index fece815e..59dc7456 100644
--- a/test/zmq/socket.cpp
+++ b/test/zmq/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/test/zmq/worker.cpp b/test/zmq/worker.cpp
index aa2a63b1..2958f450 100644
--- a/test/zmq/worker.cpp
+++ b/test/zmq/worker.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.
  *