diff --git a/builds/cmake/install-cmake.sh b/builds/cmake/install-cmake.sh
index 9b7cb01f1..aaa51373c 100755
--- a/builds/cmake/install-cmake.sh
+++ b/builds/cmake/install-cmake.sh
@@ -71,7 +71,7 @@ if [[ -z ${secp256k1_OWNER} ]]; then
     secp256k1_OWNER="bitcoin-core"
 fi
 if [[ -z ${secp256k1_TAG} ]]; then
-    secp256k1_TAG="v0.7.0"
+    secp256k1_TAG="v0.8.0"
 fi
 
 if [[ -z ${UltrafastSecp256k1_OWNER} ]]; then
diff --git a/builds/cmake/install-presets.sh b/builds/cmake/install-presets.sh
index 39697a1a7..146232625 100755
--- a/builds/cmake/install-presets.sh
+++ b/builds/cmake/install-presets.sh
@@ -61,7 +61,7 @@ if [[ -z ${secp256k1_OWNER} ]]; then
     secp256k1_OWNER="bitcoin-core"
 fi
 if [[ -z ${secp256k1_TAG} ]]; then
-    secp256k1_TAG="v0.7.0"
+    secp256k1_TAG="v0.8.0"
 fi
 
 if [[ -z ${UltrafastSecp256k1_OWNER} ]]; then
diff --git a/builds/gnu/configure.ac b/builds/gnu/configure.ac
index 7e653404f..ce72f06e8 100644
--- a/builds/gnu/configure.ac
+++ b/builds/gnu/configure.ac
@@ -97,7 +97,7 @@ AC_SUBST([pkgconfigdir],[${with_pkgconfigdir}])
 AC_MSG_CHECKING([--enable-ndebug option])
 AC_ARG_ENABLE([ndebug],
     AS_HELP_STRING([--enable-ndebug],
-        [Compile with NDEBUG assertion. @<:@default=yes@:>@]),
+        [Compile with NDEBUG (no debug assertions). @<:@default=yes@:>@]),
     [enable_ndebug=$enableval],
     [enable_ndebug=yes])
 AC_MSG_RESULT([$enable_ndebug])
diff --git a/builds/gnu/install-gnu.sh b/builds/gnu/install-gnu.sh
index 663f3820c..81b6eb636 100755
--- a/builds/gnu/install-gnu.sh
+++ b/builds/gnu/install-gnu.sh
@@ -71,7 +71,7 @@ if [[ -z ${secp256k1_OWNER} ]]; then
     secp256k1_OWNER="bitcoin-core"
 fi
 if [[ -z ${secp256k1_TAG} ]]; then
-    secp256k1_TAG="v0.7.0"
+    secp256k1_TAG="v0.8.0"
 fi
 
 if [[ -z ${UltrafastSecp256k1_OWNER} ]]; then
diff --git a/builds/msvc/vs2026/libbitcoin-node-test/libbitcoin-node-test.vcxproj b/builds/msvc/vs2026/libbitcoin-node-test/libbitcoin-node-test.vcxproj
index bbd72b19b..e597d58d8 100644
--- a/builds/msvc/vs2026/libbitcoin-node-test/libbitcoin-node-test.vcxproj
+++ b/builds/msvc/vs2026/libbitcoin-node-test/libbitcoin-node-test.vcxproj
@@ -160,7 +160,7 @@
     <Import Project="$(NuGetPackageRoot)libbitcoin-boost_thread-vc145.1.91.0\build\libbitcoin-boost_thread-vc145.targets" Condition="Exists('$(NuGetPackageRoot)libbitcoin-boost_thread-vc145.1.91.0\build\libbitcoin-boost_thread-vc145.targets')" />
     <Import Project="$(NuGetPackageRoot)libbitcoin-boost_unit_test_framework-vc145.1.91.0\build\libbitcoin-boost_unit_test_framework-vc145.targets" Condition="Exists('$(NuGetPackageRoot)libbitcoin-boost_unit_test_framework-vc145.1.91.0\build\libbitcoin-boost_unit_test_framework-vc145.targets')" />
     <Import Project="$(NuGetPackageRoot)libbitcoin-boost_url-vc145.1.91.0\build\libbitcoin-boost_url-vc145.targets" Condition="Exists('$(NuGetPackageRoot)libbitcoin-boost_url-vc145.1.91.0\build\libbitcoin-boost_url-vc145.targets')" />
-    <Import Project="$(NuGetPackageRoot)secp256k1_vc145.0.6.1.2\build\native\secp256k1_vc145.targets" Condition="Exists('$(NuGetPackageRoot)secp256k1_vc145.0.6.1.2\build\native\secp256k1_vc145.targets')" />
+    <Import Project="$(NuGetPackageRoot)secp256k1_vc145.0.8.0\build\native\secp256k1_vc145.targets" Condition="Exists('$(NuGetPackageRoot)secp256k1_vc145.0.8.0\build\native\secp256k1_vc145.targets')" />
     <Import Project="$(NuGetPackageRoot)UltrafastSecp256k1-vc145.4.5.0.0\build\native\UltrafastSecp256k1-vc145.targets" Condition="Exists('$(NuGetPackageRoot)UltrafastSecp256k1-vc145.4.5.0.0\build\native\UltrafastSecp256k1-vc145.targets')" />
   </ImportGroup>
   <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
@@ -176,7 +176,7 @@
     <Error Condition="!Exists('$(NuGetPackageRoot)libbitcoin-boost_thread-vc145.1.91.0\build\libbitcoin-boost_thread-vc145.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(NuGetPackageRoot)libbitcoin-boost_thread-vc145.1.91.0\build\libbitcoin-boost_thread-vc145.targets'))" />
     <Error Condition="!Exists('$(NuGetPackageRoot)libbitcoin-boost_unit_test_framework-vc145.1.91.0\build\libbitcoin-boost_unit_test_framework-vc145.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(NuGetPackageRoot)libbitcoin-boost_unit_test_framework-vc145.1.91.0\build\libbitcoin-boost_unit_test_framework-vc145.targets'))" />
     <Error Condition="!Exists('$(NuGetPackageRoot)libbitcoin-boost_url-vc145.1.91.0\build\libbitcoin-boost_url-vc145.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(NuGetPackageRoot)libbitcoin-boost_url-vc145.1.91.0\build\libbitcoin-boost_url-vc145.targets'))" />
-    <Error Condition="!Exists('$(NuGetPackageRoot)secp256k1_vc145.0.6.1.2\build\native\secp256k1_vc145.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(NuGetPackageRoot)secp256k1_vc145.0.6.1.2\build\native\secp256k1_vc145.targets'))" />
+    <Error Condition="!Exists('$(NuGetPackageRoot)secp256k1_vc145.0.8.0\build\native\secp256k1_vc145.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(NuGetPackageRoot)secp256k1_vc145.0.8.0\build\native\secp256k1_vc145.targets'))" />
     <Error Condition="!Exists('$(NuGetPackageRoot)UltrafastSecp256k1-vc145.4.5.0.0\build\native\UltrafastSecp256k1-vc145.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(NuGetPackageRoot)UltrafastSecp256k1-vc145.4.5.0.0\build\native\UltrafastSecp256k1-vc145.targets'))" />
   </Target>
   <ItemGroup>
diff --git a/builds/msvc/vs2026/libbitcoin-node-test/packages.config b/builds/msvc/vs2026/libbitcoin-node-test/packages.config
index aaf666e8d..2ef2692e9 100644
--- a/builds/msvc/vs2026/libbitcoin-node-test/packages.config
+++ b/builds/msvc/vs2026/libbitcoin-node-test/packages.config
@@ -16,5 +16,5 @@
   <package id="libbitcoin-boost_thread-vc145" version="1.91.0" targetFramework="Native" />
   <package id="libbitcoin-boost_unit_test_framework-vc145" version="1.91.0" targetFramework="Native" />
   <package id="libbitcoin-boost_url-vc145" version="1.91.0" targetFramework="Native" />
-  <package id="secp256k1_vc145" version="0.6.1.2" targetFramework="Native" />
+  <package id="secp256k1_vc145" version="0.8.0" targetFramework="Native" />
 </packages>
diff --git a/builds/msvc/vs2026/libbitcoin-node/libbitcoin-node.vcxproj b/builds/msvc/vs2026/libbitcoin-node/libbitcoin-node.vcxproj
index 403d117cd..833b0cbf2 100644
--- a/builds/msvc/vs2026/libbitcoin-node/libbitcoin-node.vcxproj
+++ b/builds/msvc/vs2026/libbitcoin-node/libbitcoin-node.vcxproj
@@ -240,7 +240,7 @@
     <Import Project="$(NuGetPackageRoot)libbitcoin-boost_program_options-vc145.1.91.0\build\libbitcoin-boost_program_options-vc145.targets" Condition="Exists('$(NuGetPackageRoot)libbitcoin-boost_program_options-vc145.1.91.0\build\libbitcoin-boost_program_options-vc145.targets')" />
     <Import Project="$(NuGetPackageRoot)libbitcoin-boost_thread-vc145.1.91.0\build\libbitcoin-boost_thread-vc145.targets" Condition="Exists('$(NuGetPackageRoot)libbitcoin-boost_thread-vc145.1.91.0\build\libbitcoin-boost_thread-vc145.targets')" />
     <Import Project="$(NuGetPackageRoot)libbitcoin-boost_url-vc145.1.91.0\build\libbitcoin-boost_url-vc145.targets" Condition="Exists('$(NuGetPackageRoot)libbitcoin-boost_url-vc145.1.91.0\build\libbitcoin-boost_url-vc145.targets')" />
-    <Import Project="$(NuGetPackageRoot)secp256k1_vc145.0.6.1.2\build\native\secp256k1_vc145.targets" Condition="Exists('$(NuGetPackageRoot)secp256k1_vc145.0.6.1.2\build\native\secp256k1_vc145.targets')" />
+    <Import Project="$(NuGetPackageRoot)secp256k1_vc145.0.8.0\build\native\secp256k1_vc145.targets" Condition="Exists('$(NuGetPackageRoot)secp256k1_vc145.0.8.0\build\native\secp256k1_vc145.targets')" />
     <Import Project="$(NuGetPackageRoot)UltrafastSecp256k1-vc145.4.5.0.0\build\native\UltrafastSecp256k1-vc145.targets" Condition="Exists('$(NuGetPackageRoot)UltrafastSecp256k1-vc145.4.5.0.0\build\native\UltrafastSecp256k1-vc145.targets')" />
   </ImportGroup>
   <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
@@ -255,7 +255,7 @@
     <Error Condition="!Exists('$(NuGetPackageRoot)libbitcoin-boost_program_options-vc145.1.91.0\build\libbitcoin-boost_program_options-vc145.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(NuGetPackageRoot)libbitcoin-boost_program_options-vc145.1.91.0\build\libbitcoin-boost_program_options-vc145.targets'))" />
     <Error Condition="!Exists('$(NuGetPackageRoot)libbitcoin-boost_thread-vc145.1.91.0\build\libbitcoin-boost_thread-vc145.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(NuGetPackageRoot)libbitcoin-boost_thread-vc145.1.91.0\build\libbitcoin-boost_thread-vc145.targets'))" />
     <Error Condition="!Exists('$(NuGetPackageRoot)libbitcoin-boost_url-vc145.1.91.0\build\libbitcoin-boost_url-vc145.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(NuGetPackageRoot)libbitcoin-boost_url-vc145.1.91.0\build\libbitcoin-boost_url-vc145.targets'))" />
-    <Error Condition="!Exists('$(NuGetPackageRoot)secp256k1_vc145.0.6.1.2\build\native\secp256k1_vc145.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(NuGetPackageRoot)secp256k1_vc145.0.6.1.2\build\native\secp256k1_vc145.targets'))" />
+    <Error Condition="!Exists('$(NuGetPackageRoot)secp256k1_vc145.0.8.0\build\native\secp256k1_vc145.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(NuGetPackageRoot)secp256k1_vc145.0.8.0\build\native\secp256k1_vc145.targets'))" />
     <Error Condition="!Exists('$(NuGetPackageRoot)UltrafastSecp256k1-vc145.4.5.0.0\build\native\UltrafastSecp256k1-vc145.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(NuGetPackageRoot)UltrafastSecp256k1-vc145.4.5.0.0\build\native\UltrafastSecp256k1-vc145.targets'))" />
   </Target>
   <ItemGroup>
diff --git a/builds/msvc/vs2026/libbitcoin-node/packages.config b/builds/msvc/vs2026/libbitcoin-node/packages.config
index c699d18af..582c03e43 100644
--- a/builds/msvc/vs2026/libbitcoin-node/packages.config
+++ b/builds/msvc/vs2026/libbitcoin-node/packages.config
@@ -15,5 +15,5 @@
   <package id="libbitcoin-boost_program_options-vc145" version="1.91.0" targetFramework="Native" />
   <package id="libbitcoin-boost_thread-vc145" version="1.91.0" targetFramework="Native" />
   <package id="libbitcoin-boost_url-vc145" version="1.91.0" targetFramework="Native" />
-  <package id="secp256k1_vc145" version="0.6.1.2" targetFramework="Native" />
+  <package id="secp256k1_vc145" version="0.8.0" targetFramework="Native" />
 </packages>
diff --git a/data/bn.cfg b/data/bn.cfg
index aad895963..b3206e23d 100644
--- a/data/bn.cfg
+++ b/data/bn.cfg
@@ -269,7 +269,7 @@ peer = <value>
 protocol_maximum = <value>
 # The minimum network protocol version, defaults to 31800.
 protocol_minimum = <value>
-# The peer download rate limit in bytes per second, defaults to 1024 (not implemented).
+# The per channel send rate limit in bytes per second, defaults to 0 (unlimited).
 rate_limit = <value>
 # The time delay for failed connection retry, defaults to 1.
 retry_timeout_seconds = <value>