diff --git a/builds/msvc/properties/Link.props b/builds/msvc/properties/Link.props
index db15fbb4..1323369c 100644
--- a/builds/msvc/properties/Link.props
+++ b/builds/msvc/properties/Link.props
@@ -9,6 +9,7 @@
   <ItemDefinitionGroup>
     <ClCompile>
       <WholeProgramOptimization>true</WholeProgramOptimization>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
     </ClCompile>
     <Link>
       <LinkTimeCodeGeneration>UseLinkTimeCodeGeneration</LinkTimeCodeGeneration>
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 3b8db655..0a28325b 100644
--- a/builds/msvc/vs2026/libbitcoin-node-test/libbitcoin-node-test.vcxproj
+++ b/builds/msvc/vs2026/libbitcoin-node-test/libbitcoin-node-test.vcxproj
@@ -161,7 +161,7 @@
     <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="$(NuGetPackageRoot)UltrafastSecp256k1-vc145.4.4.0.1\build\native\UltrafastSecp256k1-vc145.targets" Condition="Exists('$(NuGetPackageRoot)UltrafastSecp256k1-vc145.4.4.0.1\build\native\UltrafastSecp256k1-vc145.targets')" />
+    <Import Project="$(NuGetPackageRoot)UltrafastSecp256k1-vc145.4.4.0.2\build\native\UltrafastSecp256k1-vc145.targets" Condition="Exists('$(NuGetPackageRoot)UltrafastSecp256k1-vc145.4.4.0.2\build\native\UltrafastSecp256k1-vc145.targets')" />
   </ImportGroup>
   <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
     <PropertyGroup>
@@ -177,7 +177,7 @@
     <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('$(NuGetPackageRoot)UltrafastSecp256k1-vc145.4.4.0.1\build\native\UltrafastSecp256k1-vc145.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(NuGetPackageRoot)UltrafastSecp256k1-vc145.4.4.0.1\build\native\UltrafastSecp256k1-vc145.targets'))" />
+    <Error Condition="!Exists('$(NuGetPackageRoot)UltrafastSecp256k1-vc145.4.4.0.2\build\native\UltrafastSecp256k1-vc145.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(NuGetPackageRoot)UltrafastSecp256k1-vc145.4.4.0.2\build\native\UltrafastSecp256k1-vc145.targets'))" />
   </Target>
   <ItemGroup>
     <ProjectReference Include="..\libbitcoin-node\libbitcoin-node.vcxproj">
diff --git a/builds/msvc/vs2026/libbitcoin-node-test/packages.config b/builds/msvc/vs2026/libbitcoin-node-test/packages.config
index 3b42d1f3..65fc2d20 100644
--- a/builds/msvc/vs2026/libbitcoin-node-test/packages.config
+++ b/builds/msvc/vs2026/libbitcoin-node-test/packages.config
@@ -6,7 +6,7 @@
  |
  -->
 <packages>
-  <package id="UltrafastSecp256k1-vc145" version="4.4.0.1" targetFramework="Native" />
+  <package id="UltrafastSecp256k1-vc145" version="4.4.0.2" targetFramework="Native" />
   <package id="libbitcoin-boost" version="1.91.0" targetFramework="Native" />
   <package id="libbitcoin-boost_container-vc145" version="1.91.0" targetFramework="Native" />
   <package id="libbitcoin-boost_iostreams-vc145" version="1.91.0" targetFramework="Native" />
diff --git a/builds/msvc/vs2026/libbitcoin-node/libbitcoin-node.vcxproj b/builds/msvc/vs2026/libbitcoin-node/libbitcoin-node.vcxproj
index 3870e61d..326b95b0 100644
--- a/builds/msvc/vs2026/libbitcoin-node/libbitcoin-node.vcxproj
+++ b/builds/msvc/vs2026/libbitcoin-node/libbitcoin-node.vcxproj
@@ -241,7 +241,7 @@
     <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="$(NuGetPackageRoot)libbitcoin-boost_url-vc145.1.91.0\build\libbitcoin-boost_url-vc145.targets" Condition="Exists('$(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="$(NuGetPackageRoot)UltrafastSecp256k1-vc145.4.4.0.1\build\native\UltrafastSecp256k1-vc145.targets" Condition="Exists('$(NuGetPackageRoot)UltrafastSecp256k1-vc145.4.4.0.1\build\native\UltrafastSecp256k1-vc145.targets')" />
+    <Import Project="$(NuGetPackageRoot)UltrafastSecp256k1-vc145.4.4.0.2\build\native\UltrafastSecp256k1-vc145.targets" Condition="Exists('$(NuGetPackageRoot)UltrafastSecp256k1-vc145.4.4.0.2\build\native\UltrafastSecp256k1-vc145.targets')" />
   </ImportGroup>
   <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
     <PropertyGroup>
@@ -256,7 +256,7 @@
     <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('$(NuGetPackageRoot)libbitcoin-boost_url-vc145.1.91.0\build\libbitcoin-boost_url-vc145.targets')" Text="$([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('$(NuGetPackageRoot)UltrafastSecp256k1-vc145.4.4.0.1\build\native\UltrafastSecp256k1-vc145.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(NuGetPackageRoot)UltrafastSecp256k1-vc145.4.4.0.1\build\native\UltrafastSecp256k1-vc145.targets'))" />
+    <Error Condition="!Exists('$(NuGetPackageRoot)UltrafastSecp256k1-vc145.4.4.0.2\build\native\UltrafastSecp256k1-vc145.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(NuGetPackageRoot)UltrafastSecp256k1-vc145.4.4.0.2\build\native\UltrafastSecp256k1-vc145.targets'))" />
   </Target>
   <ItemGroup>
     <Natvis Include="..\..\debug.natvis" />
diff --git a/builds/msvc/vs2026/libbitcoin-node/packages.config b/builds/msvc/vs2026/libbitcoin-node/packages.config
index cc1fb9a3..a4bd03fd 100644
--- a/builds/msvc/vs2026/libbitcoin-node/packages.config
+++ b/builds/msvc/vs2026/libbitcoin-node/packages.config
@@ -6,7 +6,7 @@
  |
  -->
 <packages>
-  <package id="UltrafastSecp256k1-vc145" version="4.4.0.1" targetFramework="Native" />
+  <package id="UltrafastSecp256k1-vc145" version="4.4.0.2" targetFramework="Native" />
   <package id="libbitcoin-boost" version="1.91.0" targetFramework="Native" />
   <package id="libbitcoin-boost_container-vc145" version="1.91.0" targetFramework="Native" />
   <package id="libbitcoin-boost_iostreams-vc145" version="1.91.0" targetFramework="Native" />
diff --git a/src/chasers/chaser_validate_batch.cpp b/src/chasers/chaser_validate_batch.cpp
index a269929f..ef6360bc 100644
--- a/src/chasers/chaser_validate_batch.cpp
+++ b/src/chasers/chaser_validate_batch.cpp
@@ -18,6 +18,7 @@
  */
 #include <bitcoin/node/chasers/chaser_validate.hpp>
 
+#include <atomic>
 #include <algorithm>
 #include <mutex>
 #include <bitcoin/node/define.hpp>
@@ -103,7 +104,7 @@ void chaser_validate::process_batch(bool residual) NOEXCEPT
         const auto start = network::logger::now();
         if (!query.verify_ecdsa_signatures(stopping_, invalids))
         {
-            // False return implies canceled (only).
+            LOGN("Batch verify ecdsa canceled (" << ecdsa << ").");
             return;
         }
 
@@ -128,7 +129,7 @@ void chaser_validate::process_batch(bool residual) NOEXCEPT
         const auto start = network::logger::now();
         if (!query.verify_schnorr_signatures(stopping_, invalids))
         {
-            // False return implies canceled (only).
+            LOGN("Batch verify schnorr canceled (" << schnorr << ").");
             return;
         }
 
@@ -203,25 +204,31 @@ bool chaser_validate::process_valids(bool residual) NOEXCEPT
     BC_ASSERT(stranded());
 
     auto& query = archive();
-    for (const auto& link: batched_)
+    std::atomic_bool fault{};
+    constexpr auto parallel = poolstl::execution::par;
+
+    std::for_each(parallel, batched_.cbegin(), batched_.cend(),
+        [&](auto link) NOEXCEPT
     {
-        // Terminal links are previously set invalid (to be skipped).
+        // terminal links are previously set invalid (to be skipped).
         if (link == header_link::terminal)
-            continue;
+            return;
 
         size_t height{};
-        if (!query.get_height(height, link) ||
-            !query.set_block_valid(link))
-            return false;
+        if (!query.get_height(height, link) || !query.set_block_valid(link))
+        {
+            fault.store(true);
+            return;
+        }
 
         notify_block(system::error::success, height, link, false);
-    }
+    });
 
     batched_.clear();
     if (residual)
         batched_.shrink_to_fit();
 
-    return true;
+    return fault.load();
 }
 
 BC_POP_WARNING()