diff --git a/shard.lock b/shard.lock
index ed307e0b..5a754395 100644
--- a/shard.lock
+++ b/shard.lock
@@ -2,7 +2,11 @@ version: 1.0
 shards:
   db:
     github: crystal-lang/crystal-db
-    version: 0.5.0
+    version: 0.5.1
+
+  humanhash:
+    github: kingsleyh/humanhash
+    commit: aa533045dcc8986d6dba7f6408b8a10e578dad1e
 
   radix:
     github: luislavena/radix
@@ -10,7 +14,7 @@ shards:
 
   router:
     github: tbrand/router.cr
-    version: 0.2.3
+    version: 0.2.7
 
   scrypt:
     github: ysbaddaden/scrypt-crystal
@@ -18,9 +22,9 @@ shards:
 
   sqlite3:
     github: crystal-lang/crystal-sqlite3
-    version: 0.9.0
+    version: 0.10.0
 
   tokoroten:
     github: tbrand/tokoroten
-    version: 0.1.2
+    version: 0.1.3
 
diff --git a/shard.yml b/shard.yml
index 85a1d9e0..4471467c 100644
--- a/shard.yml
+++ b/shard.yml
@@ -27,6 +27,8 @@ dependencies:
     github: crystal-lang/crystal-sqlite3
   scrypt:
     github: ysbaddaden/scrypt-crystal
+  humanhash:
+    github: kingsleyh/humanhash
 
 crystal: 0.27.0
 
diff --git a/spec/units/utils/chain_generator.cr b/spec/units/utils/chain_generator.cr
index f1fb84d4..b5aec1ef 100644
--- a/spec/units/utils/chain_generator.cr
+++ b/spec/units/utils/chain_generator.cr
@@ -40,7 +40,7 @@ module ::Units::Utils::ChainGenerator
       @node = Sushi::Core::Node.new(true, true, "bind_host", 8008_i32, nil, nil, nil, nil, nil, @node_wallet, nil, false)
       @blockchain = @node.blockchain
       @blockchain.setup(@node)
-      @miner = {context: {address: miner_wallet.address, nonces: [] of UInt64}, socket: MockWebSocket.new}
+      @miner = {context: {address: miner_wallet.address, nonces: [] of UInt64}, socket: MockWebSocket.new, mid: "535061bddb0549f691c8b9c012a55ee2"}
       @transaction_factory = TransactionFactory.new(@node_wallet)
       @rpc = RPCController.new(@blockchain)
       @rest = RESTController.new(@blockchain)
diff --git a/src/core.cr b/src/core.cr
index b6660bc0..fc805c00 100644
--- a/src/core.cr
+++ b/src/core.cr
@@ -26,6 +26,7 @@ require "tokoroten"
 require "http/server"
 require "openssl/pkcs5"
 require "openssl/digest"
+require "humanhash"
 
 require "./common"
 require "./core/modules"
diff --git a/src/core/miner/miner.cr b/src/core/miner/miner.cr
index 6a7b8945..8c161ab9 100644
--- a/src/core/miner/miner.cr
+++ b/src/core/miner/miner.cr
@@ -14,6 +14,7 @@ module ::Sushi::Core
   class Miner < HandleSocket
     @wallet : Wallet
     @use_ssl : Bool
+    @mid : String = HumanHash.uuid.digest
 
     @workers : Array(Tokoroten::Worker) = [] of Tokoroten::Worker
 
@@ -52,6 +53,7 @@ module ::Sushi::Core
       send(socket, M_TYPE_MINER_HANDSHAKE, {
         version: Core::CORE_VERSION,
         address: @wallet.address,
+        mid: @mid
       })
 
       socket.run
@@ -95,7 +97,7 @@ module ::Sushi::Core
       block = _m_content.block
       difficulty = _m_content.difficulty
 
-      info "#{magenta("UPDATED BLOCK")}: #{light_green(block.index)} at chain difficulty: #{light_cyan(block.next_difficulty - 1)} with miner difficulty: #{light_cyan(difficulty)}"
+      info "#{magenta("MINED BLOCK")}: #{light_green(block.index)} at chain difficulty: #{light_cyan(block.next_difficulty - 1)} with miner difficulty: #{light_cyan(difficulty)}"
 
       debug "set difficulty: #{light_cyan(difficulty)}"
       debug "set block: #{light_green(block.index)}"
diff --git a/src/core/node.cr b/src/core/node.cr
index d23700f6..0e272a9a 100644
--- a/src/core/node.cr
+++ b/src/core/node.cr
@@ -284,7 +284,7 @@ module ::Sushi::Core
 
     def broadcast_block(socket : HTTP::WebSocket, block : Block, from : Chord::NodeContext? = nil)
       if @blockchain.latest_index + 1 == block.index
-        info "new block coming: #{light_cyan(@blockchain.chain.size)}"
+        debug "new block coming: #{light_cyan(@blockchain.chain.size)}"
 
         if _block = @blockchain.valid_block?(block)
           new_block(_block)
diff --git a/src/core/node/components/miners_manager.cr b/src/core/node/components/miners_manager.cr
index c7082679..980a9535 100644
--- a/src/core/node/components/miners_manager.cr
+++ b/src/core/node/components/miners_manager.cr
@@ -22,6 +22,7 @@ module ::Sushi::Core::NodeComponents
     alias Miner = NamedTuple(
       context: MinerContext,
       socket: HTTP::WebSocket,
+      mid: String
     )
 
     alias Miners = Array(Miner)
@@ -40,6 +41,7 @@ module ::Sushi::Core::NodeComponents
 
       version = _m_content.version
       address = _m_content.address
+      mid = _m_content.mid
 
       if Core::CORE_VERSION > version
         return send(socket,
@@ -61,11 +63,12 @@ module ::Sushi::Core::NodeComponents
       end
 
       miner_context = {address: address, nonces: [] of UInt64}
-      miner = {context: miner_context, socket: socket}
+      miner = {context: miner_context, socket: socket, mid: mid}
 
       @miners << miner
 
-      info "new miner: #{light_green(miner[:context][:address][0..7])} (#{@miners.size})"
+      miner_name = HumanHash.humanize(mid)
+      info "new miner: #{light_green(miner_name)} (#{@miners.size})"
 
       send(socket, M_TYPE_MINER_HANDSHAKE_ACCEPTED, {
         version:    Core::CORE_VERSION,
@@ -92,10 +95,11 @@ module ::Sushi::Core::NodeComponents
 
           send(miner[:socket], M_TYPE_MINER_BLOCK_UPDATE, {
             block:      @blockchain.mining_block,
-            difficulty: @blockchain.mining_block_difficulty_miner,
+            difficulty: @blockchain.mining_block_difficulty_miner
           })
         else
-          info "miner #{miner[:context][:address][0..7]} found nonce (nonces: #{miner[:context][:nonces].size})"
+          miner_name = HumanHash.humanize(miner[:mid])
+          debug "miner #{miner_name} found nonce (nonces: #{miner[:context][:nonces].size})"
 
           miner[:context][:nonces].push(nonce)
 
@@ -116,13 +120,14 @@ module ::Sushi::Core::NodeComponents
     end
 
     def broadcast
+      info "#{magenta("MINED BLOCK")}: #{light_green(@blockchain.mining_block.index)} at chain difficulty: #{light_cyan(@blockchain.mining_block_difficulty)} with miner difficulty: #{light_cyan(@blockchain.mining_block_difficulty_miner)}"
       debug "new block difficulty: #{@blockchain.mining_block_difficulty}, " +
             "mining difficulty: #{@blockchain.mining_block_difficulty_miner}"
 
       @miners.each do |miner|
         send(miner[:socket], M_TYPE_MINER_BLOCK_UPDATE, {
           block:      @blockchain.mining_block,
-          difficulty: @blockchain.mining_block_difficulty_miner,
+          difficulty: @blockchain.mining_block_difficulty_miner
         })
       end
     end
diff --git a/src/core/protocol/protocol.cr b/src/core/protocol/protocol.cr
index a7132fc9..c941d4b7 100644
--- a/src/core/protocol/protocol.cr
+++ b/src/core/protocol/protocol.cr
@@ -21,6 +21,7 @@ module ::Sushi::Core::Protocol
     JSON.mapping({
       version: Int32,
       address: String,
+      mid: String
     })
   end
 
@@ -46,7 +47,7 @@ module ::Sushi::Core::Protocol
 
   struct M_CONTENT_MINER_FOUND_NONCE
     JSON.mapping({
-      nonce: UInt64,
+      nonce: UInt64
     })
   end
 
@@ -55,7 +56,7 @@ module ::Sushi::Core::Protocol
   struct M_CONTENT_MINER_BLOCK_UPDATE
     JSON.mapping({
       block:      Block,
-      difficulty: Int32,
+      difficulty: Int32
     })
   end