diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3772cc8e..b17b321b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -94,13 +94,13 @@ jobs:
             detectcpuflags: "ignore"
             boost: "--build-boost"
             icu: ""
-            llvm: "llvm@16"
+            llvm: ""
             secp256k1: "--build-secp256k1"
             cc: "clang"
             flags: "-Os -fPIE"
             options: "--enable-isystem"
             packager: "brew"
-            packages: "llvm@16 icu4c"
+            packages: "icu4c"
 
           - os: macos-latest
             cxx: "clang++"
@@ -111,13 +111,13 @@ jobs:
             detectcpuflags: "ignore"
             boost: "--build-boost"
             icu: ""
-            llvm: "llvm@16"
+            llvm: ""
             secp256k1: "--build-secp256k1"
             cc: "clang"
             flags: "-Os -fvisibility=hidden -fPIE"
             options: "--enable-isystem"
             packager: "brew"
-            packages: "llvm@16 icu4c"
+            packages: "icu4c"
 
 
     runs-on: ${{ matrix.os }}
@@ -147,7 +147,7 @@ jobs:
         if: ${{ matrix.packager == 'brew' }}
         run: |
           brew install autoconf automake libtool ${{ matrix.packages }}
-          if [[ -n ${{ matrix.llvm }} ]]; then
+          if [[ -n "${{ matrix.llvm }}" ]]; then
               echo "PATH=/opt/homebrew/opt/${{ matrix.llvm }}/bin:$PATH" >> $GITHUB_ENV
           fi
 
@@ -365,13 +365,13 @@ jobs:
             detectcpuflags: "ignore"
             boost: "--build-boost"
             icu: ""
-            llvm: "llvm@16"
+            llvm: ""
             secp256k1: "--build-secp256k1"
             cc: "clang"
             flags: "-Os -fPIE"
             options: ""
             packager: "brew"
-            packages: "llvm@16 icu4c"
+            packages: "icu4c"
 
           - os: macos-latest
             cxx: "clang++"
@@ -382,13 +382,13 @@ jobs:
             detectcpuflags: "ignore"
             boost: "--build-boost"
             icu: ""
-            llvm: "llvm@16"
+            llvm: ""
             secp256k1: "--build-secp256k1"
             cc: "clang"
             flags: "-Os -fvisibility=hidden -fPIE"
             options: ""
             packager: "brew"
-            packages: "llvm@16 icu4c"
+            packages: "icu4c"
 
 
     runs-on: ${{ matrix.os }}
@@ -418,7 +418,7 @@ jobs:
         if: ${{ matrix.packager == 'brew' }}
         run: |
           brew install autoconf automake libtool ${{ matrix.packages }}
-          if [[ -n ${{ matrix.llvm }} ]]; then
+          if [[ -n "${{ matrix.llvm }}" ]]; then
               echo "PATH=/opt/homebrew/opt/${{ matrix.llvm }}/bin:$PATH" >> $GITHUB_ENV
           fi
 
@@ -654,7 +654,7 @@ jobs:
         if: ${{ matrix.packager == 'brew' }}
         run: |
           brew install autoconf automake libtool ${{ matrix.packages }}
-          if [[ -n ${{ matrix.llvm }} ]]; then
+          if [[ -n "${{ matrix.llvm }}" ]]; then
               echo "PATH=/opt/homebrew/opt/${{ matrix.llvm }}/bin:$PATH" >> $GITHUB_ENV
           fi
 
diff --git a/builds/msvc/vs2022/bs/bs.vcxproj b/builds/msvc/vs2022/bs/bs.vcxproj
index 82511f1a..251e58fe 100644
--- a/builds/msvc/vs2022/bs/bs.vcxproj
+++ b/builds/msvc/vs2022/bs/bs.vcxproj
@@ -139,6 +139,7 @@
     <Import Project="$(NuGetPackageRoot)boost_locale-vc143.1.86.0\build\boost_locale-vc143.targets" Condition="Exists('$(NuGetPackageRoot)boost_locale-vc143.1.86.0\build\boost_locale-vc143.targets')" />
     <Import Project="$(NuGetPackageRoot)boost_program_options-vc143.1.86.0\build\boost_program_options-vc143.targets" Condition="Exists('$(NuGetPackageRoot)boost_program_options-vc143.1.86.0\build\boost_program_options-vc143.targets')" />
     <Import Project="$(NuGetPackageRoot)boost_thread-vc143.1.86.0\build\boost_thread-vc143.targets" Condition="Exists('$(NuGetPackageRoot)boost_thread-vc143.1.86.0\build\boost_thread-vc143.targets')" />
+    <Import Project="$(NuGetPackageRoot)boost_url-vc143.1.86.0\build\boost_url-vc143.targets" Condition="Exists('$(NuGetPackageRoot)boost_url-vc143.1.86.0\build\boost_url-vc143.targets')" />
     <Import Project="$(NuGetPackageRoot)secp256k1_vc143.0.1.0.21\build\native\secp256k1_vc143.targets" Condition="Exists('$(NuGetPackageRoot)secp256k1_vc143.0.1.0.21\build\native\secp256k1_vc143.targets')" />
     <Import Project="$(NuGetPackageRoot)libzmq_vc143.4.3.2\build\native\libzmq_vc143.targets" Condition="Exists('$(NuGetPackageRoot)libzmq_vc143.4.3.2\build\native\libzmq_vc143.targets')" />
   </ImportGroup>
@@ -151,6 +152,7 @@
     <Error Condition="!Exists('$(NuGetPackageRoot)boost_locale-vc143.1.86.0\build\boost_locale-vc143.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(NuGetPackageRoot)boost_locale-vc143.1.86.0\build\boost_locale-vc143.targets'))" />
     <Error Condition="!Exists('$(NuGetPackageRoot)boost_program_options-vc143.1.86.0\build\boost_program_options-vc143.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(NuGetPackageRoot)boost_program_options-vc143.1.86.0\build\boost_program_options-vc143.targets'))" />
     <Error Condition="!Exists('$(NuGetPackageRoot)boost_thread-vc143.1.86.0\build\boost_thread-vc143.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(NuGetPackageRoot)boost_thread-vc143.1.86.0\build\boost_thread-vc143.targets'))" />
+    <Error Condition="!Exists('$(NuGetPackageRoot)boost_url-vc143.1.86.0\build\boost_url-vc143.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(NuGetPackageRoot)boost_url-vc143.1.86.0\build\boost_url-vc143.targets'))" />
     <Error Condition="!Exists('$(NuGetPackageRoot)secp256k1_vc143.0.1.0.21\build\native\secp256k1_vc143.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(NuGetPackageRoot)secp256k1_vc143.0.1.0.21\build\native\secp256k1_vc143.targets'))" />
     <Error Condition="!Exists('$(NuGetPackageRoot)libzmq_vc143.4.3.2\build\native\libzmq_vc143.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(NuGetPackageRoot)libzmq_vc143.4.3.2\build\native\libzmq_vc143.targets'))" />
   </Target>
diff --git a/builds/msvc/vs2022/bs/packages.config b/builds/msvc/vs2022/bs/packages.config
index ea8b57d2..7ba56fb1 100644
--- a/builds/msvc/vs2022/bs/packages.config
+++ b/builds/msvc/vs2022/bs/packages.config
@@ -11,6 +11,7 @@
   <package id="boost_locale-vc143" version="1.86.0" targetFramework="Native" />
   <package id="boost_program_options-vc143" version="1.86.0" targetFramework="Native" />
   <package id="boost_thread-vc143" version="1.86.0" targetFramework="Native" />
+  <package id="boost_url-vc143" version="1.86.0" targetFramework="Native" />
   <package id="secp256k1_vc143" version="0.1.0.21" targetFramework="Native" />
   <package id="libzmq_vc143" version="4.3.2" targetFramework="Native" />
 </packages>
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 3e79713a..caf475c2 100644
--- a/builds/msvc/vs2022/libbitcoin-server-test/libbitcoin-server-test.vcxproj
+++ b/builds/msvc/vs2022/libbitcoin-server-test/libbitcoin-server-test.vcxproj
@@ -132,6 +132,7 @@
     <Import Project="$(NuGetPackageRoot)boost_locale-vc143.1.86.0\build\boost_locale-vc143.targets" Condition="Exists('$(NuGetPackageRoot)boost_locale-vc143.1.86.0\build\boost_locale-vc143.targets')" />
     <Import Project="$(NuGetPackageRoot)boost_program_options-vc143.1.86.0\build\boost_program_options-vc143.targets" Condition="Exists('$(NuGetPackageRoot)boost_program_options-vc143.1.86.0\build\boost_program_options-vc143.targets')" />
     <Import Project="$(NuGetPackageRoot)boost_thread-vc143.1.86.0\build\boost_thread-vc143.targets" Condition="Exists('$(NuGetPackageRoot)boost_thread-vc143.1.86.0\build\boost_thread-vc143.targets')" />
+    <Import Project="$(NuGetPackageRoot)boost_url-vc143.1.86.0\build\boost_url-vc143.targets" Condition="Exists('$(NuGetPackageRoot)boost_url-vc143.1.86.0\build\boost_url-vc143.targets')" />
     <Import Project="$(NuGetPackageRoot)secp256k1_vc143.0.1.0.21\build\native\secp256k1_vc143.targets" Condition="Exists('$(NuGetPackageRoot)secp256k1_vc143.0.1.0.21\build\native\secp256k1_vc143.targets')" />
     <Import Project="$(NuGetPackageRoot)libzmq_vc143.4.3.2\build\native\libzmq_vc143.targets" Condition="Exists('$(NuGetPackageRoot)libzmq_vc143.4.3.2\build\native\libzmq_vc143.targets')" />
     <Import Project="$(NuGetPackageRoot)boost_unit_test_framework-vc143.1.86.0\build\boost_unit_test_framework-vc143.targets" Condition="Exists('$(NuGetPackageRoot)boost_unit_test_framework-vc143.1.86.0\build\boost_unit_test_framework-vc143.targets')" />
@@ -145,6 +146,7 @@
     <Error Condition="!Exists('$(NuGetPackageRoot)boost_locale-vc143.1.86.0\build\boost_locale-vc143.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(NuGetPackageRoot)boost_locale-vc143.1.86.0\build\boost_locale-vc143.targets'))" />
     <Error Condition="!Exists('$(NuGetPackageRoot)boost_program_options-vc143.1.86.0\build\boost_program_options-vc143.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(NuGetPackageRoot)boost_program_options-vc143.1.86.0\build\boost_program_options-vc143.targets'))" />
     <Error Condition="!Exists('$(NuGetPackageRoot)boost_thread-vc143.1.86.0\build\boost_thread-vc143.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(NuGetPackageRoot)boost_thread-vc143.1.86.0\build\boost_thread-vc143.targets'))" />
+    <Error Condition="!Exists('$(NuGetPackageRoot)boost_url-vc143.1.86.0\build\boost_url-vc143.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(NuGetPackageRoot)boost_url-vc143.1.86.0\build\boost_url-vc143.targets'))" />
     <Error Condition="!Exists('$(NuGetPackageRoot)secp256k1_vc143.0.1.0.21\build\native\secp256k1_vc143.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(NuGetPackageRoot)secp256k1_vc143.0.1.0.21\build\native\secp256k1_vc143.targets'))" />
     <Error Condition="!Exists('$(NuGetPackageRoot)libzmq_vc143.4.3.2\build\native\libzmq_vc143.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(NuGetPackageRoot)libzmq_vc143.4.3.2\build\native\libzmq_vc143.targets'))" />
     <Error Condition="!Exists('$(NuGetPackageRoot)boost_unit_test_framework-vc143.1.86.0\build\boost_unit_test_framework-vc143.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(NuGetPackageRoot)boost_unit_test_framework-vc143.1.86.0\build\boost_unit_test_framework-vc143.targets'))" />
diff --git a/builds/msvc/vs2022/libbitcoin-server-test/packages.config b/builds/msvc/vs2022/libbitcoin-server-test/packages.config
index 8b771666..db9b0ea8 100644
--- a/builds/msvc/vs2022/libbitcoin-server-test/packages.config
+++ b/builds/msvc/vs2022/libbitcoin-server-test/packages.config
@@ -11,6 +11,7 @@
   <package id="boost_locale-vc143" version="1.86.0" targetFramework="Native" />
   <package id="boost_program_options-vc143" version="1.86.0" targetFramework="Native" />
   <package id="boost_thread-vc143" version="1.86.0" targetFramework="Native" />
+  <package id="boost_url-vc143" version="1.86.0" targetFramework="Native" />
   <package id="secp256k1_vc143" version="0.1.0.21" targetFramework="Native" />
   <package id="libzmq_vc143" version="4.3.2" targetFramework="Native" />
   <package id="boost_unit_test_framework-vc143" version="1.86.0" targetFramework="Native" />
diff --git a/builds/msvc/vs2022/libbitcoin-server/libbitcoin-server.vcxproj b/builds/msvc/vs2022/libbitcoin-server/libbitcoin-server.vcxproj
index fb0d35be..ddf16683 100644
--- a/builds/msvc/vs2022/libbitcoin-server/libbitcoin-server.vcxproj
+++ b/builds/msvc/vs2022/libbitcoin-server/libbitcoin-server.vcxproj
@@ -60,7 +60,7 @@
       <Configuration>ReleaseLIB</Configuration>
       <Platform>x64</Platform>
     </ProjectConfiguration>
-        <ProjectConfiguration Include="DebugDLL|ARM">
+    <ProjectConfiguration Include="DebugDLL|ARM">
       <Configuration>DebugDLL</Configuration>
       <Platform>ARM</Platform>
     </ProjectConfiguration>
@@ -180,6 +180,7 @@
     <Import Project="$(NuGetPackageRoot)boost_locale-vc143.1.86.0\build\boost_locale-vc143.targets" Condition="Exists('$(NuGetPackageRoot)boost_locale-vc143.1.86.0\build\boost_locale-vc143.targets')" />
     <Import Project="$(NuGetPackageRoot)boost_program_options-vc143.1.86.0\build\boost_program_options-vc143.targets" Condition="Exists('$(NuGetPackageRoot)boost_program_options-vc143.1.86.0\build\boost_program_options-vc143.targets')" />
     <Import Project="$(NuGetPackageRoot)boost_thread-vc143.1.86.0\build\boost_thread-vc143.targets" Condition="Exists('$(NuGetPackageRoot)boost_thread-vc143.1.86.0\build\boost_thread-vc143.targets')" />
+    <Import Project="$(NuGetPackageRoot)boost_url-vc143.1.86.0\build\boost_url-vc143.targets" Condition="Exists('$(NuGetPackageRoot)boost_url-vc143.1.86.0\build\boost_url-vc143.targets')" />
     <Import Project="$(NuGetPackageRoot)secp256k1_vc143.0.1.0.21\build\native\secp256k1_vc143.targets" Condition="Exists('$(NuGetPackageRoot)secp256k1_vc143.0.1.0.21\build\native\secp256k1_vc143.targets')" />
     <Import Project="$(NuGetPackageRoot)libzmq_vc143.4.3.2\build\native\libzmq_vc143.targets" Condition="Exists('$(NuGetPackageRoot)libzmq_vc143.4.3.2\build\native\libzmq_vc143.targets')" />
   </ImportGroup>
@@ -192,6 +193,7 @@
     <Error Condition="!Exists('$(NuGetPackageRoot)boost_locale-vc143.1.86.0\build\boost_locale-vc143.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(NuGetPackageRoot)boost_locale-vc143.1.86.0\build\boost_locale-vc143.targets'))" />
     <Error Condition="!Exists('$(NuGetPackageRoot)boost_program_options-vc143.1.86.0\build\boost_program_options-vc143.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(NuGetPackageRoot)boost_program_options-vc143.1.86.0\build\boost_program_options-vc143.targets'))" />
     <Error Condition="!Exists('$(NuGetPackageRoot)boost_thread-vc143.1.86.0\build\boost_thread-vc143.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(NuGetPackageRoot)boost_thread-vc143.1.86.0\build\boost_thread-vc143.targets'))" />
+    <Error Condition="!Exists('$(NuGetPackageRoot)boost_url-vc143.1.86.0\build\boost_url-vc143.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(NuGetPackageRoot)boost_url-vc143.1.86.0\build\boost_url-vc143.targets'))" />
     <Error Condition="!Exists('$(NuGetPackageRoot)secp256k1_vc143.0.1.0.21\build\native\secp256k1_vc143.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(NuGetPackageRoot)secp256k1_vc143.0.1.0.21\build\native\secp256k1_vc143.targets'))" />
     <Error Condition="!Exists('$(NuGetPackageRoot)libzmq_vc143.4.3.2\build\native\libzmq_vc143.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(NuGetPackageRoot)libzmq_vc143.4.3.2\build\native\libzmq_vc143.targets'))" />
   </Target>
diff --git a/builds/msvc/vs2022/libbitcoin-server/packages.config b/builds/msvc/vs2022/libbitcoin-server/packages.config
index ea8b57d2..7ba56fb1 100644
--- a/builds/msvc/vs2022/libbitcoin-server/packages.config
+++ b/builds/msvc/vs2022/libbitcoin-server/packages.config
@@ -11,6 +11,7 @@
   <package id="boost_locale-vc143" version="1.86.0" targetFramework="Native" />
   <package id="boost_program_options-vc143" version="1.86.0" targetFramework="Native" />
   <package id="boost_thread-vc143" version="1.86.0" targetFramework="Native" />
+  <package id="boost_url-vc143" version="1.86.0" targetFramework="Native" />
   <package id="secp256k1_vc143" version="0.1.0.21" targetFramework="Native" />
   <package id="libzmq_vc143" version="4.3.2" targetFramework="Native" />
 </packages>
diff --git a/builds/msvc/vs2022/libbitcoin-system.import.props b/builds/msvc/vs2022/libbitcoin-system.import.props
index 662fa27e..58f802c1 100644
--- a/builds/msvc/vs2022/libbitcoin-system.import.props
+++ b/builds/msvc/vs2022/libbitcoin-system.import.props
@@ -17,29 +17,29 @@
   <!-- These will compile to the target regardless of the compiling platform. -->
   <!-- That will result in a crash of test/executable execution if mismatched. -->
   <PropertyGroup>
-    <Option-avx512>false</Option-avx512>
-    <Option-avx2>true</Option-avx2>
-    <Option-sse41>true</Option-sse41>
-    <Option-shani>false</Option-shani>
-    <Option-neon>false</Option-neon>
+    <!--<Option-512>false</Option-512>-->
+    <!--<Option-256>true</Option-256>-->
+    <!--<Option-128>true</Option-128>-->
+    <Option-sha>false</Option-sha>
   </PropertyGroup>
   <ItemDefinitionGroup>
     <ClCompile>
       <!-- order matters -->
-      <EnableEnhancedInstructionSet Condition="'$(Option-avx2)'   == 'true'">AdvancedVectorExtensions2</EnableEnhancedInstructionSet>
-      <EnableEnhancedInstructionSet Condition="'$(Option-avx512)' == 'true'">AdvancedVectorExtensions512</EnableEnhancedInstructionSet>
+      <!-- Native configuration now specifyies avx, avx2 or avx512 - in which case we run 128, 256, 512. -->
+      <!--<EnableEnhancedInstructionSet Condition="'$(Option-128)' == 'true'">AdvancedVectorExtensions</EnableEnhancedInstructionSet>-->
+      <!--<EnableEnhancedInstructionSet Condition="'$(Option-256)' == 'true'">AdvancedVectorExtensions2</EnableEnhancedInstructionSet>-->
+      <!--<EnableEnhancedInstructionSet Condition="'$(Option-512)' == 'true'">AdvancedVectorExtensions512</EnableEnhancedInstructionSet>-->
     </ClCompile>
   </ItemDefinitionGroup>
 
   <!-- Messages -->
 
   <Target Name="OptionInfo" BeforeTargets="PrepareForBuild">
-    <Message Text="Option-avx512     : $(Option-avx512)" Importance="high"/>
-    <Message Text="Option-avx2       : $(Option-avx2)" Importance="high"/>
-    <Message Text="Option-sse41      : $(Option-sse41)" Importance="high"/>
-    <Message Text="Option-shani      : $(Option-shani)" Importance="high"/>
-    <Message Text="Option-neon       : $(Option-neon)" Importance="high"/>
-  </Target>  
+    <Message Text="Option-sha        : $(Option-sha)" Importance="high"/>
+    <!--<Message Text="Option-512        : $(Option-512)" Importance="high"/>-->
+    <!--<Message Text="Option-256        : $(Option-256)" Importance="high"/>-->
+    <!--<Message Text="Option-128        : $(Option-128)" Importance="high"/>-->
+  </Target>
 
   <!-- Linkage -->
 
@@ -55,11 +55,11 @@
       <PreprocessorDefinitions Condition="'$(Linkage-libbitcoin-system)' == 'static' Or '$(Linkage-libbitcoin-system)' == 'ltcg'">BC_STATIC;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <PreprocessorDefinitions Condition="$(Configuration.IndexOf('Debug')) != -1">_CRTDBG_MAP_ALLOC;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <!-- Enable use of CPU intrinsics. -->
-      <PreprocessorDefinitions Condition="'$(Option-avx512)' == 'true'">WITH_AVX512;%(PreprocessorDefinitions)</PreprocessorDefinitions>
-      <PreprocessorDefinitions Condition="'$(Option-avx2)'   == 'true'">WITH_AVX2;%(PreprocessorDefinitions)</PreprocessorDefinitions>
-      <PreprocessorDefinitions Condition="'$(Option-sse41)'  == 'true'">WITH_SSE41;%(PreprocessorDefinitions)</PreprocessorDefinitions>
-      <PreprocessorDefinitions Condition="'$(Option-shani)'  == 'true'">WITH_SHANI;%(PreprocessorDefinitions)</PreprocessorDefinitions>
-      <PreprocessorDefinitions Condition="'$(Option-neon)'   == 'true'">WITH_NEON;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <!-- Eventually these options will be used to select SVE levels. -->
+      <PreprocessorDefinitions Condition="'$(Option-sha)' == 'true'">WITH_SHA;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <!--<PreprocessorDefinitions Condition="'$(Option-512)' == 'true'">WITH_512;%(PreprocessorDefinitions)</PreprocessorDefinitions>-->
+      <!--<PreprocessorDefinitions Condition="'$(Option-256)' == 'true'">WITH_256;%(PreprocessorDefinitions)</PreprocessorDefinitions>-->
+      <!--<PreprocessorDefinitions Condition="'$(Option-128)' == 'true'">WITH_128;%(PreprocessorDefinitions)</PreprocessorDefinitions>-->
     </ClCompile>    
     <Link>
       <!-- 4099: warns about missing PDB files. -->
diff --git a/builds/msvc/vs2022/libbitcoin-system.import.xml b/builds/msvc/vs2022/libbitcoin-system.import.xml
index e8bed3f7..1501f8df 100644
--- a/builds/msvc/vs2022/libbitcoin-system.import.xml
+++ b/builds/msvc/vs2022/libbitcoin-system.import.xml
@@ -16,34 +16,29 @@
   </Rule>
   <Rule Name="libbitcoin-system-options-uiextension" PageTemplate="tool" DisplayName="Bitcoin System Options" SwitchPrefix="/" Order="1">
     <Rule.Categories>
-      <Category Name="avx512" DisplayName="avx512" />
-      <Category Name="avx2" DisplayName="avx2" />
-      <Category Name="sse41" DisplayName="sse41" />
-      <Category Name="shani" DisplayName="shani" />
-      <Category Name="neon" DisplayName="neon" />
+      <!--<Category Name="512" DisplayName="512" />-->
+      <!--<Category Name="256" DisplayName="256" />-->
+      <!--<Category Name="128" DisplayName="128" />-->
+      <Category Name="sha" DisplayName="sha" />
     </Rule.Categories>
     <Rule.DataSource>
       <DataSource Persistence="ProjectFile" ItemType="" />
     </Rule.DataSource>
-    <EnumProperty Name="Option-avx512" DisplayName="Enable AVX512 Intrinsics" Description="Use AVX512 intrinsics." Category="avx512">
+    <EnumProperty Name="Option-sha" DisplayName="Enable SHA Native Hashing" Description="Requires SHANI (xcpu) or Neon (arm) CPU." Category="sha">
       <EnumValue Name="false" DisplayName="No" />
       <EnumValue Name="true" DisplayName="Yes" />
     </EnumProperty>
-    <EnumProperty Name="Option-avx2" DisplayName="Enable AVX2 Intrinsics" Description="Use AVX2 intrinsics." Category="avx2">
+    <!--<EnumProperty Name="Option-512" DisplayName="Enable 512 Bit Vectorization" Description="Requires AVX512 (xcpu) or SVE (arm) CPU." Category="512">
       <EnumValue Name="false" DisplayName="No" />
       <EnumValue Name="true" DisplayName="Yes" />
     </EnumProperty>
-    <EnumProperty Name="Option-sse41" DisplayName="Enable SSE4.1 Intrinsics" Description="Use SSE4.1 intrinsics." Category="sse41">
+    <EnumProperty Name="Option-256" DisplayName="Enable 256 Bit Vectorization" Description="Requires AVX2 (xcpu) or SVE (arm) CPU." Category="256">
       <EnumValue Name="false" DisplayName="No" />
       <EnumValue Name="true" DisplayName="Yes" />
     </EnumProperty>
-    <EnumProperty Name="Option-shani" DisplayName="Enable SHA Native Intrinsics" Description="Use SHA native intrinsics." Category="shani">
+    <EnumProperty Name="Option-128" DisplayName="Enable 128 Bit Vectorization" Description="Requires SSE4.1 (xcpu) or Neon (arm) CPU." Category="128">
       <EnumValue Name="false" DisplayName="No" />
       <EnumValue Name="true" DisplayName="Yes" />
-    </EnumProperty>
-    <EnumProperty Name="Option-neon" DisplayName="Enable ARM Neon Intrinsics" Description="Use ARM Neon intrinsics." Category="neon">
-      <EnumValue Name="false" DisplayName="No" />
-      <EnumValue Name="true" DisplayName="Yes" />
-    </EnumProperty>
+    </EnumProperty>-->
   </Rule>  
 </ProjectSchemaDefinitions>
\ No newline at end of file
diff --git a/install-cmake.sh b/install-cmake.sh
index 416e2b0b..5a571a1a 100755
--- a/install-cmake.sh
+++ b/install-cmake.sh
@@ -25,7 +25,7 @@
 # --disable-shared         Disables shared library builds.
 # --disable-static         Disables static library builds.
 # --verbose                Display verbose output (defaults to quiet on called tooling).
-# --help                   Display usage, overriding script execution.
+# --help, -h               Display usage, overriding script execution.
 #
 # Verified on Ubuntu 14.04, requires gcc-4.8 or newer.
 # Verified on OSX 10.10, using MacPorts and Homebrew repositories, requires
@@ -41,7 +41,7 @@
 #==============================================================================
 # Branches for github dependencies.
 #------------------------------------------------------------------------------
-SECP256K1_BRANCH="v0.5.1"
+SECP256K1_BRANCH="v0.7.0"
 BITCOIN_SYSTEM_BRANCH="master"
 BITCOIN_NETWORK_BRANCH="master"
 BITCOIN_DATABASE_BRANCH="master"
@@ -251,7 +251,7 @@ display_help()
     display_message "  --prefix=<absolute-path> Library install location (defaults to /usr/local)."
     display_message "  --disable-shared         Disables shared library builds."
     display_message "  --disable-static         Disables static library builds."
-    display_message "  --help                   Display usage, overriding script execution."
+    display_message "  --help, -h               Display usage, overriding script execution."
     display_message ""
     display_message "All unrecognized options provided shall be passed as configuration options for "
     display_message "all dependencies."
@@ -264,7 +264,7 @@ parse_command_line_options()
     for OPTION in "$@"; do
         case $OPTION in
             # Standard script options.
-            (--help)                DISPLAY_HELP="yes";;
+            (--help|-h)             DISPLAY_HELP="yes";;
             (--verbose)             DISPLAY_VERBOSE="yes";;
 
             # Standard build options.
@@ -1058,6 +1058,7 @@ BOOST_OPTIONS=(
 "--with-program_options" \
 "--with-regex" \
 "--with-thread" \
+"--with-url" \
 "--with-test")
 
 # Define secp256k1 options.
diff --git a/install-cmakepresets.sh b/install-cmakepresets.sh
index 70ed80bf..505c015d 100755
--- a/install-cmakepresets.sh
+++ b/install-cmakepresets.sh
@@ -26,7 +26,7 @@
 # --disable-shared         Disables shared library builds.
 # --disable-static         Disables static library builds.
 # --verbose                Display verbose output (defaults to quiet on called tooling).
-# --help                   Display usage, overriding script execution.
+# --help, -h               Display usage, overriding script execution.
 #
 # Verified on Ubuntu 14.04, requires gcc-4.8 or newer.
 # Verified on OSX 10.10, using MacPorts and Homebrew repositories, requires
@@ -42,7 +42,7 @@
 #==============================================================================
 # Branches for github dependencies.
 #------------------------------------------------------------------------------
-SECP256K1_BRANCH="v0.5.1"
+SECP256K1_BRANCH="v0.7.0"
 BITCOIN_SYSTEM_BRANCH="master"
 BITCOIN_NETWORK_BRANCH="master"
 BITCOIN_DATABASE_BRANCH="master"
@@ -258,7 +258,7 @@ display_help()
     display_message "  --prefix=<absolute-path> Library install location (defaults to /usr/local)."
     display_message "  --disable-shared         Disables shared library builds."
     display_message "  --disable-static         Disables static library builds."
-    display_message "  --help                   Display usage, overriding script execution."
+    display_message "  --help, -h               Display usage, overriding script execution."
     display_message ""
     display_message "All unrecognized options provided shall be passed as configuration options for "
     display_message "all dependencies."
@@ -271,7 +271,7 @@ parse_command_line_options()
     for OPTION in "$@"; do
         case $OPTION in
             # Standard script options.
-            (--help)                DISPLAY_HELP="yes";;
+            (--help|-h)             DISPLAY_HELP="yes";;
             (--verbose)             DISPLAY_VERBOSE="yes";;
 
             # Standard build options.
@@ -1112,6 +1112,7 @@ BOOST_OPTIONS=(
 "--with-program_options" \
 "--with-regex" \
 "--with-thread" \
+"--with-url" \
 "--with-test")
 
 # Define secp256k1 options.
diff --git a/install.sh b/install.sh
index b63b40c3..ad216828 100755
--- a/install.sh
+++ b/install.sh
@@ -25,7 +25,7 @@
 # --disable-shared         Disables shared library builds.
 # --disable-static         Disables static library builds.
 # --verbose                Display verbose output (defaults to quiet on called tooling).
-# --help                   Display usage, overriding script execution.
+# --help, -h               Display usage, overriding script execution.
 #
 # Verified on Ubuntu 14.04, requires gcc-4.8 or newer.
 # Verified on OSX 10.10, using MacPorts and Homebrew repositories, requires
@@ -41,7 +41,7 @@
 #==============================================================================
 # Branches for github dependencies.
 #------------------------------------------------------------------------------
-SECP256K1_BRANCH="v0.5.1"
+SECP256K1_BRANCH="v0.7.0"
 BITCOIN_SYSTEM_BRANCH="master"
 BITCOIN_NETWORK_BRANCH="master"
 BITCOIN_DATABASE_BRANCH="master"
@@ -251,7 +251,7 @@ display_help()
     display_message "  --prefix=<absolute-path> Library install location (defaults to /usr/local)."
     display_message "  --disable-shared         Disables shared library builds."
     display_message "  --disable-static         Disables static library builds."
-    display_message "  --help                   Display usage, overriding script execution."
+    display_message "  --help, -h               Display usage, overriding script execution."
     display_message ""
     display_message "All unrecognized options provided shall be passed as configuration options for "
     display_message "all dependencies."
@@ -264,7 +264,7 @@ parse_command_line_options()
     for OPTION in "$@"; do
         case $OPTION in
             # Standard script options.
-            (--help)                DISPLAY_HELP="yes";;
+            (--help|-h)             DISPLAY_HELP="yes";;
             (--verbose)             DISPLAY_VERBOSE="yes";;
 
             # Standard build options.
@@ -932,6 +932,7 @@ BOOST_OPTIONS=(
 "--with-program_options" \
 "--with-regex" \
 "--with-thread" \
+"--with-url" \
 "--with-test")
 
 # Define secp256k1 options.