diff --git a/.appveyor.yml b/.appveyor.yml
index 249d0b8df9..ac4a8df3e3 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -7,7 +7,7 @@ clone_depth: 5
 environment:
   APPVEYOR_SAVE_CACHE_ON_ERROR: true
   CLCACHE_SERVER: 1
-  PACKAGES: boost-filesystem boost-signals2 boost-test libevent openssl zeromq berkeleydb secp256k1 leveldb
+  PACKAGES: boost-filesystem boost-signals2 boost-test libevent openssl zeromq berkeleydb leveldb
   PATH: 'C:\Python37-x64;C:\Python37-x64\Scripts;%PATH%'
   PYTHONUTF8: 1
 cache:
diff --git a/build_msvc/bench_bitcoin/bench_bitcoin.vcxproj b/build_msvc/bench_bitcoin/bench_bitcoin.vcxproj
index b987a337c0..25eab8027d 100644
--- a/build_msvc/bench_bitcoin/bench_bitcoin.vcxproj
+++ b/build_msvc/bench_bitcoin/bench_bitcoin.vcxproj
@@ -61,6 +61,9 @@
     <ProjectReference Include="..\libunivalue\libunivalue.vcxproj">
       <Project>{5724ba7d-a09a-4ba8-800b-c4c1561b3d69}</Project>
     </ProjectReference>
+    <ProjectReference Include="..\libsecp256k1\libsecp256k1.vcxproj">
+      <Project>{bb493552-3b8c-4a8c-bf69-a6e7a51d2ea6}</Project>
+    </ProjectReference>
   </ItemGroup>
   <PropertyGroup Label="Globals">
     <VCProjectVersion>15.0</VCProjectVersion>
diff --git a/build_msvc/bitcoin-tx/bitcoin-tx.vcxproj b/build_msvc/bitcoin-tx/bitcoin-tx.vcxproj
index a9fae6b739..86fd614990 100644
--- a/build_msvc/bitcoin-tx/bitcoin-tx.vcxproj
+++ b/build_msvc/bitcoin-tx/bitcoin-tx.vcxproj
@@ -38,6 +38,9 @@
     <ProjectReference Include="..\libunivalue\libunivalue.vcxproj">
       <Project>{5724ba7d-a09a-4ba8-800b-c4c1561b3d69}</Project>
     </ProjectReference>
+    <ProjectReference Include="..\libsecp256k1\libsecp256k1.vcxproj">
+      <Project>{bb493552-3b8c-4a8c-bf69-a6e7a51d2ea6}</Project>
+    </ProjectReference>
   </ItemGroup>
   <PropertyGroup Label="Globals">
     <VCProjectVersion>15.0</VCProjectVersion>
diff --git a/build_msvc/bitcoin.sln b/build_msvc/bitcoin.sln
index b84a525afa..ee29d334b8 100644
--- a/build_msvc/bitcoin.sln
+++ b/build_msvc/bitcoin.sln
@@ -1,4 +1,4 @@
-Microsoft Visual Studio Solution File, Format Version 12.00
+Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio 15
 VisualStudioVersion = 15.0.27130.2027
 MinimumVisualStudioVersion = 10.0.40219.1
@@ -36,6 +36,8 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "bitcoin-wallet", "bitcoin-w
 EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "libbitcoin_wallet_tool", "libbitcoin_wallet_tool\libbitcoin_wallet_tool.vcxproj", "{F91AC55E-6F5E-4C58-9AC5-B40DB7DEEF93}"
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "libsecp256k1", "libsecp256k1\libsecp256k1.vcxproj", "{BB493552-3B8C-4A8C-BF69-A6E7A51D2EA6}"
+EndProject
 Global
     GlobalSection(SolutionConfigurationPlatforms) = preSolution
         Debug|x64 = Debug|x64
@@ -180,6 +182,14 @@ Global
         {F91AC55E-6F5E-4C58-9AC5-B40DB7DEEF93}.Release|x64.Build.0 = Release|x64
         {F91AC55E-6F5E-4C58-9AC5-B40DB7DEEF93}.Release|x86.ActiveCfg = Release|Win32
         {F91AC55E-6F5E-4C58-9AC5-B40DB7DEEF93}.Release|x86.Build.0 = Release|Win32
+        {BB493552-3B8C-4A8C-BF69-A6E7A51D2EA6}.Debug|x64.ActiveCfg = Debug|x64
+        {BB493552-3B8C-4A8C-BF69-A6E7A51D2EA6}.Debug|x64.Build.0 = Debug|x64
+        {BB493552-3B8C-4A8C-BF69-A6E7A51D2EA6}.Debug|x86.ActiveCfg = Debug|Win32
+        {BB493552-3B8C-4A8C-BF69-A6E7A51D2EA6}.Debug|x86.Build.0 = Debug|Win32
+        {BB493552-3B8C-4A8C-BF69-A6E7A51D2EA6}.Release|x64.ActiveCfg = Release|x64
+        {BB493552-3B8C-4A8C-BF69-A6E7A51D2EA6}.Release|x64.Build.0 = Release|x64
+        {BB493552-3B8C-4A8C-BF69-A6E7A51D2EA6}.Release|x86.ActiveCfg = Release|Win32
+        {BB493552-3B8C-4A8C-BF69-A6E7A51D2EA6}.Release|x86.Build.0 = Release|Win32
     EndGlobalSection
     GlobalSection(SolutionProperties) = preSolution
         HideSolutionNode = FALSE
@@ -190,3 +200,4 @@ Global
                                 SolutionGuid = {D0CAE2D0-8DB1-4A0B-80EE-800AA6C64323}
         SolutionGuid = {DA7D16A6-E5F0-45B3-B194-C3FE64F1BFCD}
     EndGlobalSection
+EndGlobal
diff --git a/build_msvc/bitcoind/bitcoind.vcxproj b/build_msvc/bitcoind/bitcoind.vcxproj
index bb43d9821e..cd00452fdd 100644
--- a/build_msvc/bitcoind/bitcoind.vcxproj
+++ b/build_msvc/bitcoind/bitcoind.vcxproj
@@ -180,6 +180,9 @@
     <ProjectReference Include="..\libunivalue\libunivalue.vcxproj">
       <Project>{5724ba7d-a09a-4ba8-800b-c4c1561b3d69}</Project>
     </ProjectReference>
+    <ProjectReference Include="..\libsecp256k1\libsecp256k1.vcxproj">
+      <Project>{bb493552-3b8c-4a8c-bf69-a6e7a51d2ea6}</Project>
+    </ProjectReference>
   </ItemGroup>
   <Import Label="configTarget" Project="..\common.vcxproj" />
 </Project>
diff --git a/build_msvc/common.vcxproj b/build_msvc/common.vcxproj
index c7c20622e4..985b0becaa 100644
--- a/build_msvc/common.vcxproj
+++ b/build_msvc/common.vcxproj
@@ -3,15 +3,21 @@
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <PropertyGroup>
       <BuildDependsOn>
-          CopyConfig;
+          CopyBitcoinConfig;
+          CopySecp256k1Config;
           $(BuildDependsOn);
       </BuildDependsOn>
   </PropertyGroup>
-  <Target Name="CopyConfig"
+  <Target Name="CopyBitcoinConfig"
           Inputs="$(MSBuildThisFileDirectory)bitcoin_config.h"
           Outputs="$(MSBuildThisFileDirectory)..\src\config\bitcoin-config.h">
       <Copy SourceFiles="$(MSBuildThisFileDirectory)bitcoin_config.h" DestinationFiles="$(MSBuildThisFileDirectory)..\src\config\bitcoin-config.h" />
   </Target>
+  <Target Name="CopySecp256k1Config"
+          Inputs="$(MSBuildThisFileDirectory)libsecp256k1_config.h"
+          Outputs="$(MSBuildThisFileDirectory)..\src\secp256k1\src\libsecp256k1-config.h">
+      <Copy SourceFiles="$(MSBuildThisFileDirectory)libsecp256k1_config.h" DestinationFiles="$(MSBuildThisFileDirectory)..\src\secp256k1\src\libsecp256k1-config.h" />
+  </Target>
   <ItemDefinitionGroup>
     <ClCompile>
       <AdditionalOptions>/utf-8 %(AdditionalOptions)</AdditionalOptions>
diff --git a/build_msvc/libbitcoin_common/libbitcoin_common.vcxproj.in b/build_msvc/libbitcoin_common/libbitcoin_common.vcxproj.in
index 42145c15ad..b51cdb2991 100644
--- a/build_msvc/libbitcoin_common/libbitcoin_common.vcxproj.in
+++ b/build_msvc/libbitcoin_common/libbitcoin_common.vcxproj.in
@@ -91,7 +91,7 @@
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;HAVE_CONFIG_H;_CRT_SECURE_NO_WARNINGS;_SCL_SECURE_NO_WARNINGS;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <SDLCheck>true</SDLCheck>
-      <AdditionalIncludeDirectories>..\..\src;..\..\src\univalue\include;</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>..\..\src;..\..\src\univalue\include;..\..\src\secp256k1\include;</AdditionalIncludeDirectories>
       <SuppressStartupBanner>false</SuppressStartupBanner>
       <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
     </ClCompile>
@@ -109,7 +109,7 @@
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;HAVE_CONFIG_H;_CRT_SECURE_NO_WARNINGS;_SCL_SECURE_NO_WARNINGS;WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <SDLCheck>true</SDLCheck>
-      <AdditionalIncludeDirectories>..\..\src;..\..\src\univalue\include;</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>..\..\src;..\..\src\univalue\include;..\..\src\secp256k1\include;</AdditionalIncludeDirectories>
       <SuppressStartupBanner>false</SuppressStartupBanner>
       <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
     </ClCompile>
@@ -129,7 +129,7 @@
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <PreprocessorDefinitions>WIN32;HAVE_CONFIG_H;_CRT_SECURE_NO_WARNINGS;_SCL_SECURE_NO_WARNINGS;WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <SDLCheck>true</SDLCheck>
-      <AdditionalIncludeDirectories>..\..\src;..\..\src\univalue\include;</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>..\..\src;..\..\src\univalue\include;..\..\src\secp256k1\include;</AdditionalIncludeDirectories>
       <SuppressStartupBanner>false</SuppressStartupBanner>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
     </ClCompile>
@@ -151,7 +151,7 @@
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <PreprocessorDefinitions>WIN32;HAVE_CONFIG_H;_CRT_SECURE_NO_WARNINGS;_SCL_SECURE_NO_WARNINGS;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <SDLCheck>true</SDLCheck>
-      <AdditionalIncludeDirectories>..\..\src;..\..\src\univalue\include;</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>..\..\src;..\..\src\univalue\include;..\..\src\secp256k1\include;</AdditionalIncludeDirectories>
       <SuppressStartupBanner>false</SuppressStartupBanner>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
     </ClCompile>
diff --git a/build_msvc/libbitcoinconsensus/libbitcoinconsensus.vcxproj b/build_msvc/libbitcoinconsensus/libbitcoinconsensus.vcxproj
index 2c6c0a8b7c..961225f9ba 100644
--- a/build_msvc/libbitcoinconsensus/libbitcoinconsensus.vcxproj
+++ b/build_msvc/libbitcoinconsensus/libbitcoinconsensus.vcxproj
@@ -126,7 +126,7 @@
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <SDLCheck>false</SDLCheck>
-      <AdditionalIncludeDirectories>..\..\src;</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>..\..\src;..\..\src\secp256k1\include;</AdditionalIncludeDirectories>
       <ExceptionHandling>Sync</ExceptionHandling>
       <SuppressStartupBanner>false</SuppressStartupBanner>
       <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
@@ -143,7 +143,7 @@
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <SDLCheck>false</SDLCheck>
-      <AdditionalIncludeDirectories>..\..\src;</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>..\..\src;..\..\src\secp256k1\include;</AdditionalIncludeDirectories>
       <ExceptionHandling>Sync</ExceptionHandling>
       <SuppressStartupBanner>false</SuppressStartupBanner>
       <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
@@ -162,7 +162,7 @@
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <SDLCheck>false</SDLCheck>
-      <AdditionalIncludeDirectories>..\..\src;</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>..\..\src;..\..\src\secp256k1\include;</AdditionalIncludeDirectories>
       <ExceptionHandling>Sync</ExceptionHandling>
       <SuppressStartupBanner>false</SuppressStartupBanner>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
@@ -183,7 +183,7 @@
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <SDLCheck>false</SDLCheck>
-      <AdditionalIncludeDirectories>..\..\src;</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>..\..\src;..\..\src\secp256k1\include;</AdditionalIncludeDirectories>
       <ExceptionHandling>Sync</ExceptionHandling>
       <SuppressStartupBanner>false</SuppressStartupBanner>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
diff --git a/build_msvc/libsecp256k1/libsecp256k1.vcxproj b/build_msvc/libsecp256k1/libsecp256k1.vcxproj
new file mode 100644
index 0000000000..699c7d6871
--- /dev/null
+++ b/build_msvc/libsecp256k1/libsecp256k1.vcxproj
@@ -0,0 +1,157 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Label="configInitTarget" Project="..\common.init.vcxproj" />
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|Win32">
+      <Configuration>Debug</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|Win32">
+      <Configuration>Release</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Debug|x64">
+      <Configuration>Debug</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="..\..\src\secp256k1\src\secp256k1.c" />
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <VCProjectVersion>15.0</VCProjectVersion>
+    <ProjectGuid>{BB493552-3B8C-4A8C-BF69-A6E7A51D2EA6}</ProjectGuid>
+    <Keyword>Win32Proj</Keyword>
+    <RootNamespace>libunivalue</RootNamespace>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
+    <ConfigurationType>StaticLibrary</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <PlatformToolset>v141</PlatformToolset>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
+    <ConfigurationType>StaticLibrary</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <PlatformToolset>v141</PlatformToolset>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
+    <ConfigurationType>StaticLibrary</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <PlatformToolset>v141</PlatformToolset>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
+    <ConfigurationType>StaticLibrary</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <PlatformToolset>v141</PlatformToolset>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <ImportGroup Label="ExtensionSettings">
+  </ImportGroup>
+  <ImportGroup Label="Shared">
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <PropertyGroup Label="UserMacros" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <LinkIncremental>true</LinkIncremental>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <LinkIncremental>true</LinkIncremental>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <LinkIncremental>false</LinkIncremental>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <LinkIncremental>false</LinkIncremental>
+  </PropertyGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <ClCompile>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>Disabled</Optimization>
+      <PreprocessorDefinitions>ENABLE_MODULE_ECDH;ENABLE_MODULE_RECOVERY;HAVE_CONFIG_H;WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <SDLCheck>true</SDLCheck>
+      <AdditionalIncludeDirectories>..\..\src\secp256k1;</AdditionalIncludeDirectories>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <ClCompile>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>Disabled</Optimization>
+      <PreprocessorDefinitions>ENABLE_MODULE_ECDH;ENABLE_MODULE_RECOVERY;HAVE_CONFIG_H;WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <SDLCheck>true</SDLCheck>
+      <AdditionalIncludeDirectories>..\..\src\secp256k1;</AdditionalIncludeDirectories>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <ClCompile>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>MaxSpeed</Optimization>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <PreprocessorDefinitions>ENABLE_MODULE_ECDH;ENABLE_MODULE_RECOVERY;HAVE_CONFIG_H;WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <SDLCheck>true</SDLCheck>
+      <AdditionalIncludeDirectories>..\..\src\secp256k1;</AdditionalIncludeDirectories>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <ClCompile>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>MaxSpeed</Optimization>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <PreprocessorDefinitions>ENABLE_MODULE_ECDH;ENABLE_MODULE_RECOVERY;HAVE_CONFIG_H;WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <SDLCheck>true</SDLCheck>
+      <AdditionalIncludeDirectories>..\..\src\secp256k1;</AdditionalIncludeDirectories>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+  <Import Label="configTarget" Project="..\common.vcxproj" />
+</Project>
diff --git a/build_msvc/libsecp256k1_config.h b/build_msvc/libsecp256k1_config.h
new file mode 100644
index 0000000000..5187c946a0
--- /dev/null
+++ b/build_msvc/libsecp256k1_config.h
@@ -0,0 +1,29 @@
+/**********************************************************************
+ * Copyright (c) 2013, 2014 Pieter Wuille                             *
+ * Distributed under the MIT software license, see the accompanying   *
+ * file COPYING or http://www.opensource.org/licenses/mit-license.php.*
+ **********************************************************************/
+
+#ifndef BITCOIN_LIBSECP256K1_CONFIG_H
+#define BITCOIN_LIBSECP256K1_CONFIG_H
+
+#undef USE_ASM_X86_64
+#undef USE_ENDOMORPHISM
+#undef USE_FIELD_10X26
+#undef USE_FIELD_5X52
+#undef USE_FIELD_INV_BUILTIN
+#undef USE_FIELD_INV_NUM
+#undef USE_NUM_GMP
+#undef USE_NUM_NONE
+#undef USE_SCALAR_4X64
+#undef USE_SCALAR_8X32
+#undef USE_SCALAR_INV_BUILTIN
+#undef USE_SCALAR_INV_NUM
+
+#define USE_NUM_NONE 1
+#define USE_FIELD_INV_BUILTIN 1
+#define USE_SCALAR_INV_BUILTIN 1
+#define USE_FIELD_10X26 1
+#define USE_SCALAR_8X32 1
+
+#endif /* BITCOIN_LIBSECP256K1_CONFIG_H */
diff --git a/build_msvc/test_bitcoin/test_bitcoin.vcxproj b/build_msvc/test_bitcoin/test_bitcoin.vcxproj
index 2316e473aa..5073c5c012 100644
--- a/build_msvc/test_bitcoin/test_bitcoin.vcxproj
+++ b/build_msvc/test_bitcoin/test_bitcoin.vcxproj
@@ -54,6 +54,9 @@
     <ProjectReference Include="..\libunivalue\libunivalue.vcxproj">
       <Project>{5724ba7d-a09a-4ba8-800b-c4c1561b3d69}</Project>
     </ProjectReference>
+    <ProjectReference Include="..\libsecp256k1\libsecp256k1.vcxproj">
+      <Project>{bb493552-3b8c-4a8c-bf69-a6e7a51d2ea6}</Project>
+    </ProjectReference>
   </ItemGroup>
   <PropertyGroup Label="Globals">
     <VCProjectVersion>15.0</VCProjectVersion>
diff --git a/build_msvc/testconsensus/testconsensus.vcxproj b/build_msvc/testconsensus/testconsensus.vcxproj
index d73988df1c..db2f8a6216 100644
--- a/build_msvc/testconsensus/testconsensus.vcxproj
+++ b/build_msvc/testconsensus/testconsensus.vcxproj
@@ -168,6 +168,9 @@
     <ProjectReference Include="..\libbitcoin_util\libbitcoin_util.vcxproj">
       <Project>{b53a5535-ee9d-4c6f-9a26-f79ee3bc3754}</Project>
     </ProjectReference>
+    <ProjectReference Include="..\libsecp256k1\libsecp256k1.vcxproj">
+      <Project>{bb493552-3b8c-4a8c-bf69-a6e7a51d2ea6}</Project>
+    </ProjectReference>
   </ItemGroup>
   <Import Label="configTarget" Project="..\common.vcxproj" />
 </Project>