diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 483ee72b..eed5c886 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,5 +1,5 @@
 ###############################################################################
-#  Copyright (c) 2014-2020 libbitcoin-server developers (see COPYING).
+#  Copyright (c) 2014-2023 libbitcoin-server developers (see COPYING).
 #
 #         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
 #
@@ -29,6 +29,7 @@ jobs:
             zmq: "--build-zmq"
             cc: "clang"
             flags: "-Os -fPIE"
+            options: "--enable-isystem"
             packager: "apt"
             packages: ""
 
@@ -44,6 +45,7 @@ jobs:
             zmq: "--build-zmq"
             cc: "clang"
             flags: "-Os -fPIE"
+            options: "--enable-isystem"
             packager: "apt"
             packages: ""
 
@@ -59,6 +61,7 @@ jobs:
             zmq: "--build-zmq"
             cc: "gcc"
             flags: "-Os -fPIE"
+            options: "--enable-isystem"
             packager: "apt"
             packages: ""
 
@@ -74,6 +77,7 @@ jobs:
             zmq: "--build-zmq"
             cc: "gcc"
             flags: "-Og -fPIE"
+            options: "--enable-isystem"
             packager: "apt"
             packages: ""
 
@@ -89,6 +93,7 @@ jobs:
             zmq: "--build-zmq"
             cc: "clang"
             flags: "-Os -fPIE"
+            options: "--enable-isystem"
             packager: "brew"
             packages: ""
 
@@ -104,6 +109,7 @@ jobs:
             zmq: "--build-zmq"
             cc: "clang"
             flags: "-Os -fvisibility=hidden -fPIE"
+            options: "--enable-isystem"
             packager: "brew"
             packages: ""
 
@@ -155,11 +161,16 @@ jobs:
             echo "LDFLAGS=-Wl,-rpath,$WORKSPACE_SUBPATH/prefix/lib" >> $GITHUB_ENV
           fi
 
+      - name: Display CPU details
+        if: ${{ (runner.os == 'Linux') }}
+        shell: bash
+        run: |
+          lscpu
+
       - name: Execute install.sh
         run: >
           ./install.sh
-          --enable-isystem
-          --build-dir=$LIBBITCOIN_SRC_PATH
+          --build-dir=$LIBBITCOIN_SRC_PATH ${{ matrix.options }}
           --prefix=$LIBBITCOIN_SRC_PATH/prefix
           ${{ env.LINKAGE }}
           ${{ env.ASSERT_NDEBUG }}
@@ -214,11 +225,11 @@ jobs:
         run: |
           cat ${{ github.workspace }}/build/build-*/bootstrap.log
 
+
       - name: Failure display otool output
         if: ${{ failure() && (matrix.os == 'macos-latest') }}
         run: |
           otool -L ${{ github.workspace }}/test/.libs/libbitcoin-server-test
-
       - name: Failure display DYLD_PRINT_LIBRARIES
         if: ${{ failure() && (matrix.os == 'macos-latest') }}
         run: |
@@ -249,6 +260,7 @@ jobs:
             zmq: "--build-zmq"
             cc: "clang"
             flags: "-Os -fPIE"
+            options: ""
             packager: "apt"
             packages: ""
 
@@ -264,6 +276,7 @@ jobs:
             zmq: "--build-zmq"
             cc: "clang"
             flags: "-Os -fPIE"
+            options: ""
             packager: "apt"
             packages: ""
 
@@ -279,6 +292,7 @@ jobs:
             zmq: "--build-zmq"
             cc: "gcc"
             flags: "-Os -fPIE"
+            options: ""
             packager: "apt"
             packages: ""
 
@@ -294,6 +308,7 @@ jobs:
             zmq: "--build-zmq"
             cc: "gcc"
             flags: "-Og -fPIE"
+            options: ""
             packager: "apt"
             packages: ""
 
@@ -309,6 +324,7 @@ jobs:
             zmq: "--build-zmq"
             cc: "clang"
             flags: "-Os -fPIE"
+            options: ""
             packager: "brew"
             packages: ""
 
@@ -324,6 +340,7 @@ jobs:
             zmq: "--build-zmq"
             cc: "clang"
             flags: "-Os -fvisibility=hidden -fPIE"
+            options: ""
             packager: "brew"
             packages: ""
 
@@ -378,10 +395,16 @@ jobs:
             echo "LDFLAGS=-Wl,-rpath,$WORKSPACE_SUBPATH/prefix/lib" >> $GITHUB_ENV
           fi
 
+      - name: Display CPU details
+        if: ${{ (runner.os == 'Linux') }}
+        shell: bash
+        run: |
+          lscpu
+
       - name: Execute install-cmake.sh
         run: >
           ./install-cmake.sh
-          --build-dir=$LIBBITCOIN_SRC_PATH
+          --build-dir=$LIBBITCOIN_SRC_PATH ${{ matrix.options }}
           --prefix=$LIBBITCOIN_SRC_PATH/prefix
           ${{ env.LINKAGE }}
           ${{ env.ASSERT_NDEBUG }}
@@ -436,11 +459,11 @@ jobs:
         run: |
           cat ${{ github.workspace }}/build/build-*/bootstrap.log
 
+
       - name: Failure display otool output
         if: ${{ failure() && (matrix.os == 'macos-latest') }}
         run: |
           otool -L ${{ github.workspace }}/test/.libs/libbitcoin-server-test
-
       - name: Failure display DYLD_PRINT_LIBRARIES
         if: ${{ failure() && (matrix.os == 'macos-latest') }}
         run: |
@@ -482,6 +505,7 @@ jobs:
             zmq: "--build-zmq"
             cc: "clang"
             flags: "-Os -fPIE"
+            options: ""
             packager: "apt"
             packages: ""
 
@@ -498,6 +522,7 @@ jobs:
             zmq: "--build-zmq"
             cc: "clang"
             flags: "-Os -fPIE"
+            options: ""
             packager: "apt"
             packages: ""
 
@@ -514,6 +539,7 @@ jobs:
             zmq: "--build-zmq"
             cc: "gcc"
             flags: "-Os -fPIE"
+            options: ""
             packager: "apt"
             packages: ""
 
@@ -568,10 +594,16 @@ jobs:
             echo "LDFLAGS=-Wl,-rpath,$WORKSPACE_SUBPATH/prefix/${{ matrix.preset }}/lib" >> $GITHUB_ENV
           fi
 
+      - name: Display CPU details
+        if: ${{ (runner.os == 'Linux') }}
+        shell: bash
+        run: |
+          lscpu
+
       - name: Execute install-cmakepresets.sh
         run: >
           ./install-cmakepresets.sh
-          --build-dir=$LIBBITCOIN_SRC_PATH
+          --build-dir=$LIBBITCOIN_SRC_PATH ${{ matrix.options }}
           --prefix=$LIBBITCOIN_SRC_PATH/prefix/${{ matrix.preset }}
           --preset=${{ matrix.preset }}
           ${{ env.LINKAGE }}
@@ -627,11 +659,11 @@ jobs:
         run: |
           cat ${{ github.workspace }}/build/build-*/bootstrap.log
 
+
       - name: Failure display otool output
         if: ${{ failure() && (matrix.os == 'macos-latest') }}
         run: |
           otool -L ${{ github.workspace }}/test/.libs/libbitcoin-server-test
-
       - name: Failure display DYLD_PRINT_LIBRARIES
         if: ${{ failure() && (matrix.os == 'macos-latest') }}
         run: |
@@ -676,6 +708,8 @@ jobs:
     steps:
       - name: Add msbuild to PATH
         uses: microsoft/setup-msbuild@v1.1
+        with:
+          msbuild-architecture: x64
 
       - name: Checkout repository
         uses: actions/checkout@v3
diff --git a/Makefile.am b/Makefile.am
index badd9484..2a582620 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,5 +1,5 @@
 ###############################################################################
-#  Copyright (c) 2014-2020 libbitcoin-server developers (see COPYING).
+#  Copyright (c) 2014-2023 libbitcoin-server developers (see COPYING).
 #
 #         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
 #
diff --git a/autogen.sh b/autogen.sh
index c4be74d6..ae0d9e09 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 ###############################################################################
-#  Copyright (c) 2014-2020 libbitcoin-server developers (see COPYING).
+#  Copyright (c) 2014-2023 libbitcoin-server developers (see COPYING).
 #
 #         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
 #
diff --git a/build.cmd b/build.cmd
index 806c7468..75416f29 100644
--- a/build.cmd
+++ b/build.cmd
@@ -1,5 +1,5 @@
 REM ###########################################################################
-REM #  Copyright (c) 2014-2020 libbitcoin-server developers (see COPYING).
+REM #  Copyright (c) 2014-2023 libbitcoin-server developers (see COPYING).
 REM #
 REM #         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
 REM #
diff --git a/builds/cmake/CMakeLists.txt b/builds/cmake/CMakeLists.txt
index bfa98b68..57b4c628 100644
--- a/builds/cmake/CMakeLists.txt
+++ b/builds/cmake/CMakeLists.txt
@@ -1,5 +1,5 @@
 ###############################################################################
-#  Copyright (c) 2014-2020 libbitcoin-server developers (see COPYING).
+#  Copyright (c) 2014-2023 libbitcoin-server developers (see COPYING).
 #
 #         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
 #
@@ -16,6 +16,8 @@ enable_testing()
 list( APPEND CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/modules" )
 include(CheckIncludeFiles)
 include(CheckSymbolExists)
+include(CheckCXXCompilerFlag)
+include(CheckCXXSourceCompiles)
 
 set_property(GLOBAL PROPERTY USE_FOLDERS ON)
 
@@ -40,32 +42,77 @@ set( CMAKE_CXX_STANDARD_REQUIRED ON )
 # Add compiler options
 #------------------------------------------------------------------------------
 # Warn on all stuff.
-add_compile_options( "-Wall" )
+check_cxx_compiler_flag( "-Wall" HAS_FLAG_WALL )
+if ( HAS_FLAG_WALL )
+    add_compile_options( "-Wall" )
+else()
+    message( FATAL_ERROR "Compiler does not support -Wall" )
+endif()
 
 # Warn on extra stuff.
-add_compile_options( "-Wextra" )
+check_cxx_compiler_flag( "-Wextra" HAS_FLAG_WEXTRA )
+if ( HAS_FLAG_WEXTRA )
+    add_compile_options( "-Wextra" )
+else()
+    message( FATAL_ERROR "Compiler does not support -Wextra" )
+endif()
 
 # Be really annoying.
-add_compile_options( "-Wpedantic" )
+check_cxx_compiler_flag( "-Wpedantic" HAS_FLAG_WPEDANTIC )
+if ( HAS_FLAG_WPEDANTIC )
+    add_compile_options( "-Wpedantic" )
+else()
+    message( FATAL_ERROR "Compiler does not support -Wpedantic" )
+endif()
 
 # Disallow warning on style order of declarations.
-add_compile_options( "-Wno-reorder" )
+check_cxx_compiler_flag( "-Wno-reorder" HAS_FLAG_WNO-REORDER )
+if ( HAS_FLAG_WNO-REORDER )
+    add_compile_options( "-Wno-reorder" )
+else()
+    message( FATAL_ERROR "Compiler does not support -Wno-reorder" )
+endif()
 
 # Suppress warning for incomplete field initialization.
-add_compile_options( "-Wno-missing-field-initializers" )
+check_cxx_compiler_flag( "-Wno-missing-field-initializers" HAS_FLAG_WNO-MISSING-FIELD-INITIALIZERS )
+if ( HAS_FLAG_WNO-MISSING-FIELD-INITIALIZERS )
+    add_compile_options( "-Wno-missing-field-initializers" )
+else()
+    message( FATAL_ERROR "Compiler does not support -Wno-missing-field-initializers" )
+endif()
 
 # Conform to style.
-add_compile_options( "-Wno-missing-braces" )
+check_cxx_compiler_flag( "-Wno-missing-braces" HAS_FLAG_WNO-MISSING-BRACES )
+if ( HAS_FLAG_WNO-MISSING-BRACES )
+    add_compile_options( "-Wno-missing-braces" )
+else()
+    message( FATAL_ERROR "Compiler does not support -Wno-missing-braces" )
+endif()
 
 # Ignore comments within comments or commenting of backslash extended lines.
-add_compile_options( "-Wno-comment" )
+check_cxx_compiler_flag( "-Wno-comment" HAS_FLAG_WNO-COMMENT )
+if ( HAS_FLAG_WNO-COMMENT )
+    add_compile_options( "-Wno-comment" )
+else()
+    message( FATAL_ERROR "Compiler does not support -Wno-comment" )
+endif()
 
 # Suppress warning for copy of implicitly generated copy constructor.
-add_compile_options( "-Wno-deprecated-copy" )
+check_cxx_compiler_flag( "-Wno-deprecated-copy" HAS_FLAG_WNO-DEPRECATED-COPY )
+if ( HAS_FLAG_WNO-DEPRECATED-COPY )
+    add_compile_options( "-Wno-deprecated-copy" )
+else()
+    message( FATAL_ERROR "Compiler does not support -Wno-deprecated-copy" )
+endif()
 
 # Conflict in stdlib under clang.
 if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
-    add_compile_options( "-Wno-mismatched-tags" )
+    check_cxx_compiler_flag( "-Wno-mismatched-tags" HAS_FLAG_WNO-MISMATCHED-TAGS )
+    if ( HAS_FLAG_WNO-MISMATCHED-TAGS )
+        add_compile_options( "-Wno-mismatched-tags" )
+    else()
+        message( FATAL_ERROR "Compiler does not support -Wno-mismatched-tags" )
+    endif()
 endif()
 
 # Implement -Dbash-completiondir and output ${bash-completiondir} and declare bash-completiondir.
diff --git a/builds/cmake/modules/FindBash-Completion.cmake b/builds/cmake/modules/FindBash-Completion.cmake
index c00e1d1b..2cc13f1f 100644
--- a/builds/cmake/modules/FindBash-Completion.cmake
+++ b/builds/cmake/modules/FindBash-Completion.cmake
@@ -1,5 +1,5 @@
 ###############################################################################
-#  Copyright (c) 2014-2020 libbitcoin-server developers (see COPYING).
+#  Copyright (c) 2014-2023 libbitcoin-server developers (see COPYING).
 #
 #         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
 #
diff --git a/builds/cmake/modules/FindBitcoin-Node.cmake b/builds/cmake/modules/FindBitcoin-Node.cmake
index 8d0d2a97..88b3a0ba 100644
--- a/builds/cmake/modules/FindBitcoin-Node.cmake
+++ b/builds/cmake/modules/FindBitcoin-Node.cmake
@@ -1,5 +1,5 @@
 ###############################################################################
-#  Copyright (c) 2014-2020 libbitcoin-server developers (see COPYING).
+#  Copyright (c) 2014-2023 libbitcoin-server developers (see COPYING).
 #
 #         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
 #
diff --git a/builds/cmake/modules/FindBitcoin-Protocol.cmake b/builds/cmake/modules/FindBitcoin-Protocol.cmake
index 6fdbc830..b346b742 100644
--- a/builds/cmake/modules/FindBitcoin-Protocol.cmake
+++ b/builds/cmake/modules/FindBitcoin-Protocol.cmake
@@ -1,5 +1,5 @@
 ###############################################################################
-#  Copyright (c) 2014-2020 libbitcoin-server developers (see COPYING).
+#  Copyright (c) 2014-2023 libbitcoin-server developers (see COPYING).
 #
 #         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
 #
diff --git a/builds/msvc/debug.natvis b/builds/msvc/debug.natvis
index 22efd888..7abe9b29 100644
--- a/builds/msvc/debug.natvis
+++ b/builds/msvc/debug.natvis
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
- |  Copyright (c) 2014-2021 libbitcoin-server developers (see COPYING).
+ |  Copyright (c) 2014-2023 libbitcoin-server developers (see COPYING).
  |
  |         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
  |
diff --git a/builds/msvc/vs2022/bs/bs.vcxproj b/builds/msvc/vs2022/bs/bs.vcxproj
index 475b9c0e..594f38dc 100644
--- a/builds/msvc/vs2022/bs/bs.vcxproj
+++ b/builds/msvc/vs2022/bs/bs.vcxproj
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
- |  Copyright (c) 2014-2021 libbitcoin-server developers (see COPYING).
+ |  Copyright (c) 2014-2023 libbitcoin-server developers (see COPYING).
  |
  |         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
  |
diff --git a/builds/msvc/vs2022/bs/bs.vcxproj.filters b/builds/msvc/vs2022/bs/bs.vcxproj.filters
index e2b65889..bdf7ec6f 100644
--- a/builds/msvc/vs2022/bs/bs.vcxproj.filters
+++ b/builds/msvc/vs2022/bs/bs.vcxproj.filters
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
- |  Copyright (c) 2014-2021 libbitcoin-server developers (see COPYING).
+ |  Copyright (c) 2014-2023 libbitcoin-server developers (see COPYING).
  |
  |         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
  |
diff --git a/builds/msvc/vs2022/bs/packages.config b/builds/msvc/vs2022/bs/packages.config
index 5f88f31e..05a8e703 100644
--- a/builds/msvc/vs2022/bs/packages.config
+++ b/builds/msvc/vs2022/bs/packages.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
- |  Copyright (c) 2014-2021 libbitcoin-server developers (see COPYING).
+ |  Copyright (c) 2014-2023 libbitcoin-server developers (see COPYING).
  |
  |         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
  |
diff --git a/builds/msvc/vs2022/libbitcoin-server-test/libbitcoin-server-test.vcxproj b/builds/msvc/vs2022/libbitcoin-server-test/libbitcoin-server-test.vcxproj
index ec4d1124..aca9e2fc 100644
--- a/builds/msvc/vs2022/libbitcoin-server-test/libbitcoin-server-test.vcxproj
+++ b/builds/msvc/vs2022/libbitcoin-server-test/libbitcoin-server-test.vcxproj
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
- |  Copyright (c) 2014-2021 libbitcoin-server developers (see COPYING).
+ |  Copyright (c) 2014-2023 libbitcoin-server developers (see COPYING).
  |
  |         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
  |
diff --git a/builds/msvc/vs2022/libbitcoin-server-test/libbitcoin-server-test.vcxproj.filters b/builds/msvc/vs2022/libbitcoin-server-test/libbitcoin-server-test.vcxproj.filters
index f54e1fd3..752585e0 100644
--- a/builds/msvc/vs2022/libbitcoin-server-test/libbitcoin-server-test.vcxproj.filters
+++ b/builds/msvc/vs2022/libbitcoin-server-test/libbitcoin-server-test.vcxproj.filters
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
- |  Copyright (c) 2014-2021 libbitcoin-server developers (see COPYING).
+ |  Copyright (c) 2014-2023 libbitcoin-server developers (see COPYING).
  |
  |         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
  |
diff --git a/builds/msvc/vs2022/libbitcoin-server-test/packages.config b/builds/msvc/vs2022/libbitcoin-server-test/packages.config
index de79af06..8159aceb 100644
--- a/builds/msvc/vs2022/libbitcoin-server-test/packages.config
+++ b/builds/msvc/vs2022/libbitcoin-server-test/packages.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
- |  Copyright (c) 2014-2021 libbitcoin-server developers (see COPYING).
+ |  Copyright (c) 2014-2023 libbitcoin-server developers (see COPYING).
  |
  |         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
  |
diff --git a/builds/msvc/vs2022/libbitcoin-server/libbitcoin-server.vcxproj b/builds/msvc/vs2022/libbitcoin-server/libbitcoin-server.vcxproj
index 5e9a912a..99e51119 100644
--- a/builds/msvc/vs2022/libbitcoin-server/libbitcoin-server.vcxproj
+++ b/builds/msvc/vs2022/libbitcoin-server/libbitcoin-server.vcxproj
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
- |  Copyright (c) 2014-2021 libbitcoin-server developers (see COPYING).
+ |  Copyright (c) 2014-2023 libbitcoin-server developers (see COPYING).
  |
  |         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
  |
diff --git a/builds/msvc/vs2022/libbitcoin-server/libbitcoin-server.vcxproj.filters b/builds/msvc/vs2022/libbitcoin-server/libbitcoin-server.vcxproj.filters
index dac15290..5c16ae3d 100644
--- a/builds/msvc/vs2022/libbitcoin-server/libbitcoin-server.vcxproj.filters
+++ b/builds/msvc/vs2022/libbitcoin-server/libbitcoin-server.vcxproj.filters
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
- |  Copyright (c) 2014-2021 libbitcoin-server developers (see COPYING).
+ |  Copyright (c) 2014-2023 libbitcoin-server developers (see COPYING).
  |
  |         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
  |
diff --git a/builds/msvc/vs2022/libbitcoin-server/packages.config b/builds/msvc/vs2022/libbitcoin-server/packages.config
index 5f88f31e..05a8e703 100644
--- a/builds/msvc/vs2022/libbitcoin-server/packages.config
+++ b/builds/msvc/vs2022/libbitcoin-server/packages.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
- |  Copyright (c) 2014-2021 libbitcoin-server developers (see COPYING).
+ |  Copyright (c) 2014-2023 libbitcoin-server developers (see COPYING).
  |
  |         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
  |
diff --git a/configure.ac b/configure.ac
index 3da6dffe..acd08304 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,5 +1,5 @@
 ###############################################################################
-#  Copyright (c) 2014-2020 libbitcoin-server developers (see COPYING).
+#  Copyright (c) 2014-2023 libbitcoin-server developers (see COPYING).
 #
 #         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
 #
@@ -147,6 +147,103 @@ AC_ARG_ENABLE([isystem],
 AC_MSG_RESULT([$enable_isystem])
 
 
+# Set flags.
+#==============================================================================
+# Require c++11 for all c++ products.
+#------------------------------------------------------------------------------
+AS_CASE([${CC}], [*],
+    [AX_CHECK_COMPILE_FLAG([-std=c++11],
+        [CXXFLAGS="$CXXFLAGS -std=c++11"])])
+
+# Warn on all stuff.
+#------------------------------------------------------------------------------
+AS_CASE([${CC}], [*],
+    [AX_CHECK_COMPILE_FLAG([-Wall],
+        [CFLAGS="$CFLAGS -Wall"])])
+
+# Warn on all stuff.
+#------------------------------------------------------------------------------
+AS_CASE([${CC}], [*],
+    [AX_CHECK_COMPILE_FLAG([-Wall],
+        [CXXFLAGS="$CXXFLAGS -Wall"])])
+
+# Warn on extra stuff.
+#------------------------------------------------------------------------------
+AS_CASE([${CC}], [*],
+    [AX_CHECK_COMPILE_FLAG([-Wextra],
+        [CFLAGS="$CFLAGS -Wextra"])])
+
+# Warn on extra stuff.
+#------------------------------------------------------------------------------
+AS_CASE([${CC}], [*],
+    [AX_CHECK_COMPILE_FLAG([-Wextra],
+        [CXXFLAGS="$CXXFLAGS -Wextra"])])
+
+# Be really annoying.
+#------------------------------------------------------------------------------
+AS_CASE([${CC}], [*],
+    [AX_CHECK_COMPILE_FLAG([-Wpedantic],
+        [CFLAGS="$CFLAGS -Wpedantic"],
+        [AX_CHECK_COMPILE_FLAG([-pedantic],
+            [CFLAGS="$CFLAGS -pedantic"])])])
+
+# Be really annoying.
+#------------------------------------------------------------------------------
+AS_CASE([${CC}], [*],
+    [AX_CHECK_COMPILE_FLAG([-Wpedantic],
+        [CXXFLAGS="$CXXFLAGS -Wpedantic"],
+        [AX_CHECK_COMPILE_FLAG([-pedantic],
+            [CXXFLAGS="$CXXFLAGS -pedantic"])])])
+
+# Disallow warning on style order of declarations.
+#------------------------------------------------------------------------------
+AS_CASE([${CC}], [*],
+    [AX_CHECK_COMPILE_FLAG([-Wno-reorder],
+        [CXXFLAGS="$CXXFLAGS -Wno-reorder"])])
+
+# Suppress warning for incomplete field initialization.
+#------------------------------------------------------------------------------
+AS_CASE([${CC}], [*],
+    [AX_CHECK_COMPILE_FLAG([-Wno-missing-field-initializers],
+        [CXXFLAGS="$CXXFLAGS -Wno-missing-field-initializers"])])
+
+# Conform to style.
+#------------------------------------------------------------------------------
+AS_CASE([${CC}], [*],
+    [AX_CHECK_COMPILE_FLAG([-Wno-missing-braces],
+        [CXXFLAGS="$CXXFLAGS -Wno-missing-braces"])])
+
+# Ignore comments within comments or commenting of backslash extended lines.
+#------------------------------------------------------------------------------
+AS_CASE([${CC}], [*],
+    [AX_CHECK_COMPILE_FLAG([-Wno-comment],
+        [CXXFLAGS="$CXXFLAGS -Wno-comment"])])
+
+# Suppress warning for copy of implicitly generated copy constructor.
+#------------------------------------------------------------------------------
+AS_CASE([${CC}], [*],
+    [AX_CHECK_COMPILE_FLAG([-Wno-deprecated-copy],
+        [CXXFLAGS="$CXXFLAGS -Wno-deprecated-copy"])])
+
+# Conflict in stdlib under clang. Enabled in clang only.
+#------------------------------------------------------------------------------
+AS_CASE([${CC}], [*clang*],
+    [AX_CHECK_COMPILE_FLAG([-Wno-mismatched-tags],
+        [CXXFLAGS="$CXXFLAGS -Wno-mismatched-tags"])])
+
+# Protect stack.
+#------------------------------------------------------------------------------
+AS_CASE([${CC}], [*],
+    [AX_CHECK_LINK_FLAG([-fstack-protector],
+        [LDFLAGS="$LDFLAGS -fstack-protector"])])
+
+# Protect stack comprehensively.
+#------------------------------------------------------------------------------
+AS_CASE([${CC}], [*],
+    [AX_CHECK_LINK_FLAG([-fstack-protector-all],
+        [LDFLAGS="$LDFLAGS -fstack-protector-all"])])
+
+
 # Check dependencies.
 #==============================================================================
 # Require Boost of at least version 1.72.0 and output ${boost_CPPFLAGS/LDFLAGS}.
@@ -248,103 +345,6 @@ AS_CASE([${enable_isystem}],[yes],
 AC_MSG_NOTICE([bitcoin_protocol_BUILD_CPPFLAGS : ${bitcoin_protocol_BUILD_CPPFLAGS}])
 
 
-# Set flags.
-#==============================================================================
-# Require c++11 for all c++ products.
-#------------------------------------------------------------------------------
-AS_CASE([${CC}], [*],
-    [AX_CHECK_COMPILE_FLAG([-std=c++11],
-        [CXXFLAGS="$CXXFLAGS -std=c++11"])])
-
-# Warn on all stuff.
-#------------------------------------------------------------------------------
-AS_CASE([${CC}], [*],
-    [AX_CHECK_COMPILE_FLAG([-Wall],
-        [CFLAGS="$CFLAGS -Wall"])])
-
-# Warn on all stuff.
-#------------------------------------------------------------------------------
-AS_CASE([${CC}], [*],
-    [AX_CHECK_COMPILE_FLAG([-Wall],
-        [CXXFLAGS="$CXXFLAGS -Wall"])])
-
-# Warn on extra stuff.
-#------------------------------------------------------------------------------
-AS_CASE([${CC}], [*],
-    [AX_CHECK_COMPILE_FLAG([-Wextra],
-        [CFLAGS="$CFLAGS -Wextra"])])
-
-# Warn on extra stuff.
-#------------------------------------------------------------------------------
-AS_CASE([${CC}], [*],
-    [AX_CHECK_COMPILE_FLAG([-Wextra],
-        [CXXFLAGS="$CXXFLAGS -Wextra"])])
-
-# Be really annoying.
-#------------------------------------------------------------------------------
-AS_CASE([${CC}], [*],
-    [AX_CHECK_COMPILE_FLAG([-Wpedantic],
-        [CFLAGS="$CFLAGS -Wpedantic"],
-        [AX_CHECK_COMPILE_FLAG([-pedantic],
-            [CFLAGS="$CFLAGS -pedantic"])])])
-
-# Be really annoying.
-#------------------------------------------------------------------------------
-AS_CASE([${CC}], [*],
-    [AX_CHECK_COMPILE_FLAG([-Wpedantic],
-        [CXXFLAGS="$CXXFLAGS -Wpedantic"],
-        [AX_CHECK_COMPILE_FLAG([-pedantic],
-            [CXXFLAGS="$CXXFLAGS -pedantic"])])])
-
-# Disallow warning on style order of declarations.
-#------------------------------------------------------------------------------
-AS_CASE([${CC}], [*],
-    [AX_CHECK_COMPILE_FLAG([-Wno-reorder],
-        [CXXFLAGS="$CXXFLAGS -Wno-reorder"])])
-
-# Suppress warning for incomplete field initialization.
-#------------------------------------------------------------------------------
-AS_CASE([${CC}], [*],
-    [AX_CHECK_COMPILE_FLAG([-Wno-missing-field-initializers],
-        [CXXFLAGS="$CXXFLAGS -Wno-missing-field-initializers"])])
-
-# Conform to style.
-#------------------------------------------------------------------------------
-AS_CASE([${CC}], [*],
-    [AX_CHECK_COMPILE_FLAG([-Wno-missing-braces],
-        [CXXFLAGS="$CXXFLAGS -Wno-missing-braces"])])
-
-# Ignore comments within comments or commenting of backslash extended lines.
-#------------------------------------------------------------------------------
-AS_CASE([${CC}], [*],
-    [AX_CHECK_COMPILE_FLAG([-Wno-comment],
-        [CXXFLAGS="$CXXFLAGS -Wno-comment"])])
-
-# Suppress warning for copy of implicitly generated copy constructor.
-#------------------------------------------------------------------------------
-AS_CASE([${CC}], [*],
-    [AX_CHECK_COMPILE_FLAG([-Wno-deprecated-copy],
-        [CXXFLAGS="$CXXFLAGS -Wno-deprecated-copy"])])
-
-# Conflict in stdlib under clang. Enabled in clang only.
-#------------------------------------------------------------------------------
-AS_CASE([${CC}], [*clang*],
-    [AX_CHECK_COMPILE_FLAG([-Wno-mismatched-tags],
-        [CXXFLAGS="$CXXFLAGS -Wno-mismatched-tags"])])
-
-# Protect stack.
-#------------------------------------------------------------------------------
-AS_CASE([${CC}], [*],
-    [AX_CHECK_LINK_FLAG([-fstack-protector],
-        [LDFLAGS="$LDFLAGS -fstack-protector"])])
-
-# Protect stack comprehensively.
-#------------------------------------------------------------------------------
-AS_CASE([${CC}], [*],
-    [AX_CHECK_LINK_FLAG([-fstack-protector-all],
-        [LDFLAGS="$LDFLAGS -fstack-protector-all"])])
-
-
 # Process outputs into templates.
 #==============================================================================
 AC_CONFIG_FILES([Makefile libbitcoin-server.pc])
diff --git a/console/executor.cpp b/console/executor.cpp
index c2346f42..a80a63ca 100644
--- a/console/executor.cpp
+++ b/console/executor.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2023 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/console/executor.hpp b/console/executor.hpp
index eb1cd157..dd7ef773 100644
--- a/console/executor.hpp
+++ b/console/executor.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2023 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/console/main.cpp b/console/main.cpp
index 911ee2b4..0a588817 100644
--- a/console/main.cpp
+++ b/console/main.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2023 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/server.hpp b/include/bitcoin/server.hpp
index c6bb5a22..d3ac83fd 100644
--- a/include/bitcoin/server.hpp
+++ b/include/bitcoin/server.hpp
@@ -1,5 +1,5 @@
 ///////////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2014-2021 libbitcoin-server developers (see COPYING).
+// Copyright (c) 2014-2023 libbitcoin-server developers (see COPYING).
 //
 //        GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
 //
diff --git a/include/bitcoin/server/configuration.hpp b/include/bitcoin/server/configuration.hpp
index 8c746d3d..3138f309 100644
--- a/include/bitcoin/server/configuration.hpp
+++ b/include/bitcoin/server/configuration.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2023 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/server/define.hpp b/include/bitcoin/server/define.hpp
index f745f3a8..c11e4352 100644
--- a/include/bitcoin/server/define.hpp
+++ b/include/bitcoin/server/define.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2023 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/server/interface/blockchain.hpp b/include/bitcoin/server/interface/blockchain.hpp
index 2966dc66..3c770a62 100644
--- a/include/bitcoin/server/interface/blockchain.hpp
+++ b/include/bitcoin/server/interface/blockchain.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2023 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/server/interface/subscribe.hpp b/include/bitcoin/server/interface/subscribe.hpp
index 503fda90..5618dc7d 100644
--- a/include/bitcoin/server/interface/subscribe.hpp
+++ b/include/bitcoin/server/interface/subscribe.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2023 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/server/interface/transaction_pool.hpp b/include/bitcoin/server/interface/transaction_pool.hpp
index 0f7ae571..9139844a 100644
--- a/include/bitcoin/server/interface/transaction_pool.hpp
+++ b/include/bitcoin/server/interface/transaction_pool.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2023 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/server/interface/unsubscribe.hpp b/include/bitcoin/server/interface/unsubscribe.hpp
index 3729c65c..8f9a64c2 100644
--- a/include/bitcoin/server/interface/unsubscribe.hpp
+++ b/include/bitcoin/server/interface/unsubscribe.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2023 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/server/messages/message.hpp b/include/bitcoin/server/messages/message.hpp
index 52b8b1e4..1df81435 100644
--- a/include/bitcoin/server/messages/message.hpp
+++ b/include/bitcoin/server/messages/message.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2023 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/server/messages/route.hpp b/include/bitcoin/server/messages/route.hpp
index ea54cec1..70a99021 100644
--- a/include/bitcoin/server/messages/route.hpp
+++ b/include/bitcoin/server/messages/route.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2023 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/server/messages/subscription.hpp b/include/bitcoin/server/messages/subscription.hpp
index 2a6e2ad9..b547bad3 100644
--- a/include/bitcoin/server/messages/subscription.hpp
+++ b/include/bitcoin/server/messages/subscription.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2023 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/server/parser.hpp b/include/bitcoin/server/parser.hpp
index 2f60c821..108a4682 100644
--- a/include/bitcoin/server/parser.hpp
+++ b/include/bitcoin/server/parser.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2023 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/server/server_node.hpp b/include/bitcoin/server/server_node.hpp
index ac8776aa..bb9de395 100644
--- a/include/bitcoin/server/server_node.hpp
+++ b/include/bitcoin/server/server_node.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2023 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/server/services/block_service.hpp b/include/bitcoin/server/services/block_service.hpp
index 6ff313be..52e92b2c 100644
--- a/include/bitcoin/server/services/block_service.hpp
+++ b/include/bitcoin/server/services/block_service.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2023 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/server/services/heartbeat_service.hpp b/include/bitcoin/server/services/heartbeat_service.hpp
index 9549722b..b865236c 100644
--- a/include/bitcoin/server/services/heartbeat_service.hpp
+++ b/include/bitcoin/server/services/heartbeat_service.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2023 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/server/services/query_service.hpp b/include/bitcoin/server/services/query_service.hpp
index 4dc6513f..fce1fc31 100644
--- a/include/bitcoin/server/services/query_service.hpp
+++ b/include/bitcoin/server/services/query_service.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2023 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/server/services/transaction_service.hpp b/include/bitcoin/server/services/transaction_service.hpp
index 93fd685e..5c117a9f 100644
--- a/include/bitcoin/server/services/transaction_service.hpp
+++ b/include/bitcoin/server/services/transaction_service.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2023 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/server/settings.hpp b/include/bitcoin/server/settings.hpp
index cea21ca8..b07899df 100644
--- a/include/bitcoin/server/settings.hpp
+++ b/include/bitcoin/server/settings.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2023 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/server/version.hpp b/include/bitcoin/server/version.hpp
index a5b9c942..1a187136 100644
--- a/include/bitcoin/server/version.hpp
+++ b/include/bitcoin/server/version.hpp
@@ -1,5 +1,5 @@
 ///////////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2014-2021 libbitcoin-server developers (see COPYING).
+// Copyright (c) 2014-2023 libbitcoin-server developers (see COPYING).
 //
 //        GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
 //
diff --git a/include/bitcoin/server/workers/authenticator.hpp b/include/bitcoin/server/workers/authenticator.hpp
index bc2ae292..c3422bae 100644
--- a/include/bitcoin/server/workers/authenticator.hpp
+++ b/include/bitcoin/server/workers/authenticator.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2023 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/server/workers/notification_worker.hpp b/include/bitcoin/server/workers/notification_worker.hpp
index 6a4755b0..db828602 100644
--- a/include/bitcoin/server/workers/notification_worker.hpp
+++ b/include/bitcoin/server/workers/notification_worker.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2023 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/server/workers/query_worker.hpp b/include/bitcoin/server/workers/query_worker.hpp
index f86a8b13..e51b7849 100644
--- a/include/bitcoin/server/workers/query_worker.hpp
+++ b/include/bitcoin/server/workers/query_worker.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2023 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/install-cmake.sh b/install-cmake.sh
index 02f08ea1..bf017c5b 100755
--- a/install-cmake.sh
+++ b/install-cmake.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 ###############################################################################
-#  Copyright (c) 2014-2020 libbitcoin-server developers (see COPYING).
+#  Copyright (c) 2014-2023 libbitcoin-server developers (see COPYING).
 #
 #         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
 #
diff --git a/install-cmakepresets.sh b/install-cmakepresets.sh
index 4ab97e24..0ab07255 100755
--- a/install-cmakepresets.sh
+++ b/install-cmakepresets.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 ###############################################################################
-#  Copyright (c) 2014-2020 libbitcoin-server developers (see COPYING).
+#  Copyright (c) 2014-2023 libbitcoin-server developers (see COPYING).
 #
 #         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
 #
diff --git a/install.sh b/install.sh
index ca94fae4..3eac504a 100755
--- a/install.sh
+++ b/install.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 ###############################################################################
-#  Copyright (c) 2014-2020 libbitcoin-server developers (see COPYING).
+#  Copyright (c) 2014-2023 libbitcoin-server developers (see COPYING).
 #
 #         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
 #
diff --git a/libbitcoin-server-test_runner.sh b/libbitcoin-server-test_runner.sh
index 1b38f4ec..15dfb412 100755
--- a/libbitcoin-server-test_runner.sh
+++ b/libbitcoin-server-test_runner.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 ###############################################################################
-#  Copyright (c) 2014-2020 libbitcoin-server developers (see COPYING).
+#  Copyright (c) 2014-2023 libbitcoin-server developers (see COPYING).
 #
 #         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
 #
diff --git a/libbitcoin-server.pc.in b/libbitcoin-server.pc.in
index 38e67069..670fa5ec 100644
--- a/libbitcoin-server.pc.in
+++ b/libbitcoin-server.pc.in
@@ -1,5 +1,5 @@
 ###############################################################################
-#  Copyright (c) 2014-2020 libbitcoin-server developers (see COPYING).
+#  Copyright (c) 2014-2023 libbitcoin-server developers (see COPYING).
 #
 #         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
 #
diff --git a/src/configuration.cpp b/src/configuration.cpp
index 008cab5c..72114885 100644
--- a/src/configuration.cpp
+++ b/src/configuration.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2023 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/interface/blockchain.cpp b/src/interface/blockchain.cpp
index 7570ec97..76728512 100644
--- a/src/interface/blockchain.cpp
+++ b/src/interface/blockchain.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2023 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/interface/subscribe.cpp b/src/interface/subscribe.cpp
index 296f2c27..1462bf21 100644
--- a/src/interface/subscribe.cpp
+++ b/src/interface/subscribe.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2023 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/interface/transaction_pool.cpp b/src/interface/transaction_pool.cpp
index 8a4f47a1..7a4d3288 100644
--- a/src/interface/transaction_pool.cpp
+++ b/src/interface/transaction_pool.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2023 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/interface/unsubscribe.cpp b/src/interface/unsubscribe.cpp
index 829bf19f..64fcd4cd 100644
--- a/src/interface/unsubscribe.cpp
+++ b/src/interface/unsubscribe.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2023 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/messages/message.cpp b/src/messages/message.cpp
index 001a2a0e..cb32533e 100644
--- a/src/messages/message.cpp
+++ b/src/messages/message.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2023 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/messages/route.cpp b/src/messages/route.cpp
index f1529d1b..2dfc2085 100644
--- a/src/messages/route.cpp
+++ b/src/messages/route.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2023 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/messages/subscription.cpp b/src/messages/subscription.cpp
index 0c70d1ca..1e9a41b6 100644
--- a/src/messages/subscription.cpp
+++ b/src/messages/subscription.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2023 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/parser.cpp b/src/parser.cpp
index 8996457e..2b17dc67 100644
--- a/src/parser.cpp
+++ b/src/parser.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2023 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/server_node.cpp b/src/server_node.cpp
index 6d5aef25..d46cfc69 100644
--- a/src/server_node.cpp
+++ b/src/server_node.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2023 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/services/block_service.cpp b/src/services/block_service.cpp
index 96838f68..beb37e95 100644
--- a/src/services/block_service.cpp
+++ b/src/services/block_service.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2023 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/services/heartbeat_service.cpp b/src/services/heartbeat_service.cpp
index 83f20e7c..9853ec88 100644
--- a/src/services/heartbeat_service.cpp
+++ b/src/services/heartbeat_service.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2023 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/services/query_service.cpp b/src/services/query_service.cpp
index 8488c30b..cd7efac6 100644
--- a/src/services/query_service.cpp
+++ b/src/services/query_service.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2023 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/services/transaction_service.cpp b/src/services/transaction_service.cpp
index ea19a3b6..c531f3e2 100644
--- a/src/services/transaction_service.cpp
+++ b/src/services/transaction_service.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2023 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/settings.cpp b/src/settings.cpp
index 3f440051..858f06de 100644
--- a/src/settings.cpp
+++ b/src/settings.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2023 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/workers/authenticator.cpp b/src/workers/authenticator.cpp
index f009e0c4..9675c732 100644
--- a/src/workers/authenticator.cpp
+++ b/src/workers/authenticator.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2023 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/workers/notification_worker.cpp b/src/workers/notification_worker.cpp
index acdf5ba8..bb603d19 100644
--- a/src/workers/notification_worker.cpp
+++ b/src/workers/notification_worker.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2023 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/workers/query_worker.cpp b/src/workers/query_worker.cpp
index 1a671289..ae02dff2 100644
--- a/src/workers/query_worker.cpp
+++ b/src/workers/query_worker.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2023 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/main.cpp b/test/main.cpp
index a26ed6c6..b64f67be 100644
--- a/test/main.cpp
+++ b/test/main.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2023 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/server.cpp b/test/server.cpp
index b2a6885a..bbad7038 100644
--- a/test/server.cpp
+++ b/test/server.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2017 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2023 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *