diff --git a/.gitmodules b/.gitmodules
index 75bb8b5d..e73952fe 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,19 @@
 [submodule "external/monero-project"]
 	path = external/monero-project
-	url = https://github.com/woodser/monero
+	url = https://github.com/nsec1/monero.git
+	branch = fixIncludePaths
+[submodule "external/boost"]
+	path = external/boost
+	url = https://github.com/boostorg/boost.git
+[submodule "external/openssl"]
+	path = external/openssl
+	url = https://github.com/openssl/openssl
+[submodule "external/libsodium"]
+	path = external/libsodium
+	url = https://github.com/jedisct1/libsodium.git
+[submodule "external/libexpat"]
+	path = external/libexpat
+	url = https://github.com/libexpat/libexpat.git
+[submodule "external/unbound"]
+	path = external/unbound
+	url = https://github.com/NLnetLabs/unbound.git
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2350917b..59cd2c8c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -22,6 +22,17 @@ set(BUILD_SAMPLE OFF)
 set(BUILD_SCRATCHPAD OFF)
 set(BUILD_TESTS OFF)
 
+option(STATIC "Build using static libraries")
+if(STATIC)
+  if(WIN32)
+    set(CMAKE_FIND_LIBRARY_SUFFIXES .lib .dll.a .a ${CMAKE_FIND_LIBRARY_SUFFIXES})
+  else()
+    set(CMAKE_FIND_LIBRARY_SUFFIXES .a ${CMAKE_FIND_LIBRARY_SUFFIXES})
+  endif()
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DZMQ_STATIC")
+endif()
+
+
 ###################
 # monero-project
 ###################
@@ -78,7 +89,11 @@ set(LibUSB_LIBRARIES ${usb_LIBRARY})
 set(Boost_NO_BOOST_CMAKE 1)
 set(Boost_USE_MULTITHREADED ON)
 find_package(Boost 1.58 QUIET REQUIRED COMPONENTS chrono date_time filesystem program_options regex serialization wserialization system thread)
-message(STATUS "Using Boost include dir at ${Boost_INCLUDE_DIR}")
+if(Boost_FOUND)
+  message(STATUS "Using Boost include dir at ${Boost_INCLUDE_DIR}")
+  message(STATUS "Using Boost lib version: ${Boost_LIB_VERSION}")
+  message(STATUS "Using Boost libs: ${Boost_LIBRARIES}")
+endif()
 
 ############
 # OpenSSL
@@ -95,7 +110,10 @@ if (APPLE AND NOT IOS)
 endif()
 
 find_package(OpenSSL REQUIRED)
-message(STATUS "Using OpenSSL include dir at ${OPENSSL_INCLUDE_DIR}")
+if(OPENSSL_FOUND)
+  message(STATUS "Using OpenSSL include dir at ${OPENSSL_INCLUDE_DIR}")
+  message(STATUS "Using OpenSSL libs: ${OPENSSL_LIBRARIES}")
+endif()
 
 if(STATIC AND NOT IOS)
   if(UNIX)
@@ -112,22 +130,34 @@ endif()
 ############
 
 find_library(SODIUM_LIBRARY sodium REQUIRED)
-message(STATUS "Using libsodium library at ${SODIUM_LIBRARY}")
+if(SODIUM_LIBRARY)
+  message(STATUS "Using libsodium library at ${SODIUM_LIBRARY}")
+  find_path(SODIUM_INCLUDE_PATH sodium/crypto_verify_32.h)
+  if (SODIUM_INCLUDE_PATH)
+    message(STATUS "SODIUM_INCLUDE_PATH: ${SODIUM_INCLUDE_PATH}")
+  else()
+    message(FATAL_ERROR "Could not find required sodium/crypto_verify_32.h")
+  endif()
+endif()
+
 
 ############
 # HIDAPI
 ############
 
-if(APPLE)
-  include_directories(SYSTEM /usr/include/malloc)
-  if(POLICY CMP0042)
-    cmake_policy(SET CMP0042 NEW)
+option(USE_DEVICE_TREZOR "Trezor hardware wallet suport" ON)
+if (USE_DEVICE_TREZOR)
+  if(APPLE)
+    include_directories(SYSTEM /usr/include/malloc)
+    if(POLICY CMP0042)
+      cmake_policy(SET CMP0042 NEW)
+    endif()
   endif()
-endif()
 
-find_package(HIDAPI REQUIRED)
-message(STATUS "Using HIDAPI include dir at ${HIDAPI_INCLUDE_DIR}")
-add_definitions(-DHAVE_HIDAPI)
+  find_package(HIDAPI REQUIRED)
+  message(STATUS "Using HIDAPI include dir at ${HIDAPI_INCLUDE_DIR}")
+  add_definitions(-DHAVE_HIDAPI)
+endif()
 
 #############
 # Monero
@@ -200,10 +230,6 @@ add_library(cryptonote_core STATIC IMPORTED)
 set_target_properties(cryptonote_core PROPERTIES IMPORTED_LOCATION
     ${MONERO_PROJECT_BUILD}/src/cryptonote_core/libcryptonote_core.a)
 
-add_library(cryptonote_protocol STATIC IMPORTED)
-set_target_properties(cryptonote_protocol PROPERTIES IMPORTED_LOCATION
-    ${MONERO_PROJECT_BUILD}/src/cryptonote_protocol/libcryptonote_protocol.a)
-
 add_library(cryptonote_basic STATIC IMPORTED)
 set_target_properties(cryptonote_basic PROPERTIES IMPORTED_LOCATION
     ${MONERO_PROJECT_BUILD}/src/cryptonote_basic/libcryptonote_basic.a)
@@ -280,7 +306,14 @@ set(
 )
 
 if (BUILD_LIBRARY)
-  add_library(monero-cpp SHARED ${LIBRARY_SRC_FILES})
+
+  if(STATIC)
+      set(BUILD_SHARED_LIBS OFF)
+  else()
+      set(BUILD_SHARED_LIBS ON)
+  endif()
+
+  add_library(monero-cpp ${LIBRARY_SRC_FILES})
 
   target_include_directories(monero-cpp PUBLIC
       ${CMAKE_CURRENT_SOURCE_DIR}/include
@@ -294,12 +327,10 @@ if (BUILD_LIBRARY)
       "${MONERO_PROJECT_SRC}/wallet/api"
       "${MONERO_PROJECT_SRC}/hardforks"
       "${MONERO_PROJECT_SRC}/crypto"
-      "${MONERO_PROJECT_SRC}/crypto/crypto_ops_builder/include/"
+      ${SODIUM_INCLUDE_PATH}
       ${Protobuf_INCLUDE_DIR}
       ${Boost_INCLUDE_DIR}
       ${OPENSSL_INCLUDE_DIR}
-      external/libsodium/include/sodium
-      external/openssl-sdk/include
       ${HIDAPI_INCLUDE_DIR}
       ${UNBOUND_INCLUDE_DIR}
   )
@@ -312,7 +343,6 @@ if (BUILD_LIBRARY)
       unbound
       easylogging
       cryptonote_core
-      cryptonote_protocol
       cryptonote_basic
       cryptonote_format_utils_basic
       mnemonics
@@ -388,12 +418,10 @@ if (BUILD_SAMPLE)
       "${MONERO_PROJECT_SRC}/wallet/api"
       "${MONERO_PROJECT_SRC}/hardforks"
       "${MONERO_PROJECT_SRC}/crypto"
-      "${MONERO_PROJECT_SRC}/crypto/crypto_ops_builder/include/"
+      ${SODIUM_INCLUDE_PATH}
       ${Protobuf_INCLUDE_DIR}
       ${Boost_INCLUDE_DIR}
       ${OPENSSL_INCLUDE_DIR}
-      external/libsodium/include/sodium
-      external/openssl-sdk/include
       ${HIDAPI_INCLUDE_DIR}
       ${UNBOUND_INCLUDE_DIR}
   )
@@ -405,7 +433,6 @@ if (BUILD_SAMPLE)
       lmdb
       easylogging
       cryptonote_core
-      cryptonote_protocol
       cryptonote_basic
       cryptonote_format_utils_basic
       mnemonics
@@ -460,12 +487,10 @@ if (BUILD_SCRATCHPAD)
       "${MONERO_PROJECT_SRC}/wallet/api"
       "${MONERO_PROJECT_SRC}/hardforks"
       "${MONERO_PROJECT_SRC}/crypto"
-      "${MONERO_PROJECT_SRC}/crypto/crypto_ops_builder/include/"
+      ${SODIUM_INCLUDE_PATH}
       ${Protobuf_INCLUDE_DIR}
       ${Boost_INCLUDE_DIR}
       ${OPENSSL_INCLUDE_DIR}
-      external/libsodium/include/sodium
-      external/openssl-sdk/include
       ${HIDAPI_INCLUDE_DIR}
       ${UNBOUND_INCLUDE_DIR}
   )
@@ -477,7 +502,6 @@ if (BUILD_SCRATCHPAD)
       lmdb
       easylogging
       cryptonote_core
-      cryptonote_protocol
       cryptonote_basic
       cryptonote_format_utils_basic
       mnemonics
@@ -532,12 +556,10 @@ if (BUILD_TESTS)
       "${MONERO_PROJECT_SRC}/wallet/api"
       "${MONERO_PROJECT_SRC}/hardforks"
       "${MONERO_PROJECT_SRC}/crypto"
-      "${MONERO_PROJECT_SRC}/crypto/crypto_ops_builder/include/"
+      ${SODIUM_INCLUDE_PATH}
       ${Protobuf_INCLUDE_DIR}
       ${Boost_INCLUDE_DIR}
       ${OPENSSL_INCLUDE_DIR}
-      external/libsodium/include/sodium
-      external/openssl-sdk/include
       ${HIDAPI_INCLUDE_DIR}
       ${UNBOUND_INCLUDE_DIR}
   )
@@ -549,7 +571,6 @@ if (BUILD_TESTS)
       lmdb
       easylogging
       cryptonote_core
-      cryptonote_protocol
       cryptonote_basic
       cryptonote_format_utils_basic
       mnemonics
diff --git a/README.md b/README.md
index 6c9b03a4..87c60665 100644
--- a/README.md
+++ b/README.md
@@ -162,41 +162,9 @@ For example, [monero-java](https://github.com/woodser/monero-java) compiles this
 ### Linux
 
 1. Clone the project repository if applicable: `git clone --recurse-submodules https://github.com/woodser/monero-cpp.git`
-2. Update dependencies: `sudo apt update && sudo apt install build-essential cmake pkg-config libssl-dev libzmq3-dev libunbound-dev libsodium-dev libunwind8-dev liblzma-dev libreadline6-dev libexpat1-dev libpgm-dev qttools5-dev-tools libhidapi-dev libusb-1.0-0-dev libprotobuf-dev protobuf-compiler libudev-dev libboost-chrono-dev libboost-date-time-dev libboost-filesystem-dev libboost-locale-dev libboost-program-options-dev libboost-regex-dev libboost-serialization-dev libboost-system-dev libboost-thread-dev python3 ccache doxygen graphviz nettle-dev libevent-dev`
-3. Follow instructions to install [unbound](https://unbound.docs.nlnetlabs.nl/en/latest/getting-started/installation.html) for Linux to your home directory (e.g. `~/unbound-1.19.0`).
-
-    For example, install expat:
-    ```
-    cd ~
-    wget https://github.com/libexpat/libexpat/releases/download/R_2_4_8/expat-2.4.8.tar.bz2
-    tar -xf expat-2.4.8.tar.bz2
-    sudo rm expat-2.4.8.tar.bz2
-    cd expat-2.4.8
-    ./configure --enable-static --disable-shared
-    make
-    sudo make install
-    cd ../
-    ```
-
-    For example, install unbound:
-    ```
-    cd ~
-    wget https://www.nlnetlabs.nl/downloads/unbound/unbound-1.19.0.tar.gz
-    tar xzf unbound-1.19.0.tar.gz
-    sudo apt update
-    sudo apt install -y build-essential
-    sudo apt install -y libssl-dev
-    sudo apt install -y libexpat1-dev
-    sudo apt-get install -y bison
-    sudo apt-get install -y flex
-    cd unbound-1.19.0
-    ./configure --with-libexpat=/usr --with-ssl=/usr --enable-static-exe
-    make
-    sudo make install
-    cd ../
-    ```
-4. Build monero-project, located as a submodule at ./external/monero-project. Install [dependencies](https://github.com/monero-project/monero#dependencies) as needed for your system, then build with: `make release-static -j8`
-5. Link to this library's source files in your application, or build monero-cpp to a shared library in ./build: `./bin/build_libmonero_cpp.sh`
+2. Update dependencies: `sudo apt update && sudo apt install build-essential autoconf libtool cmake pkg-config libzmq3-dev libunwind8-dev liblzma-dev libreadline6-dev libpgm-dev qttools5-dev-tools libhidapi-dev libusb-1.0-0-dev libprotobuf-dev protobuf-compiler libudev-dev python3 ccache doxygen graphviz nettle-dev libevent-dev bison flex`
+3. Build monero-project, located as a submodule at ./external/monero-project. Install [dependencies](https://github.com/monero-project/monero#dependencies) as needed for your system, then build with: `make release-static -j8`
+4. Link to this library's source files in your application, or build monero-cpp to a shared library in ./build: `./bin/build_libmonero_cpp.sh`
 
 ### macOS
 
diff --git a/bin/build_libmonero_cpp.sh b/bin/build_libmonero_cpp.sh
index 8056d104..08eda41f 100755
--- a/bin/build_libmonero_cpp.sh
+++ b/bin/build_libmonero_cpp.sh
@@ -1,9 +1,51 @@
 #!/bin/sh
 
+export HOST_NCORES=${HOST_NCORES-$(nproc 2>/dev/null || shell nproc 2>/dev/null || sysctl -n hw.ncpu 2>/dev/null || echo 1)}
+BUILD_DIR="$(pwd)/build"
+INSTALL_DIR="$BUILD_DIR/install"
+export CMAKE_PREFIX_PATH=$INSTALL_DIR${CMAKE_PREFIX_PATH+:$CMAKE_PREFIX_PATH}
+USE_DEVICE_TREZOR=${USE_DEVICE_TREZOR-ON}
+echo "HOST_NCORES=$HOST_NCORES in $0"
+echo "CMAKE_PREFIX_PATH=$CMAKE_PREFIX_PATH in $0"
+echo "USE_DEVICE_TREZOR=$USE_DEVICE_TREZOR in $0"
+
+[ -d $INSTALL_DIR ] || mkdir -p $INSTALL_DIR
+
+(cd external/boost && \
+./bootstrap.sh --prefix=$INSTALL_DIR && ./b2 -j$HOST_NCORES \
+--with-chrono \
+--with-date_time \
+--with-filesystem \
+--with-program_options \
+--with-regex \
+--with-serialization \
+--with-system \
+--with-thread \
+--with-locale \
+link=static \
+cxxflags=-fPIC cflags=-fPIC \
+install) && \
+
+(cd external/openssl && \
+./Configure no-apps no-afalgeng no-docs no-ui-console no-shared --prefix=$INSTALL_DIR --libdir=lib && \
+make -j$HOST_NCORES && make install) && \
+
+(cd external/libsodium && \
+./configure --enable-shared=no --with-pic=yes --prefix=$INSTALL_DIR && \
+make -j$HOST_NCORES && make check && make install) && \
+
+(cd external/libexpat/expat && \
+./buildconf.sh && ./configure --prefix=$INSTALL_DIR --enable-static --disable-shared --with-pic=yes && \
+make -j$HOST_NCORES install) && \
+
+(cd external/unbound && \
+./configure --with-ssl=$INSTALL_DIR --prefix=$INSTALL_DIR --with-libexpat=$INSTALL_DIR --enable-static-exe --enable-static --disable-shared --with-pic=yes && \
+make -j$HOST_NCORES install) && \
+
 # build monero-project dependencies
 cd ./external/monero-project/ || exit 1
 git submodule update --init --force || exit 1
-HOST_NCORES=$(nproc 2>/dev/null || shell nproc 2>/dev/null || sysctl -n hw.ncpu 2>/dev/null || echo 1)
+
 if [[ "$OSTYPE" == "msys" ]]; then
     bit=$(getconf LONG_BIT)
     if [ "$bit" == "64" ]; then
@@ -16,13 +58,20 @@ elif [[ "$OSTYPE" == "cygwin" ]]; then
     exit 1
 else
     # OS is not windows
-    make release-static -j$HOST_NCORES || exit 1
+    MONERO_BUILD_DIR="build/release"
+    test -d $MONERO_BUILD_DIR || mkdir -p $MONERO_BUILD_DIR
+    (cd $MONERO_BUILD_DIR && \
+     cmake -D STATIC=ON -D BUILD_64=ON -D CMAKE_BUILD_TYPE=Release \
+           -D OPENSSL_ROOT_DIR=$INSTALL_DIR \
+           -D USE_DEVICE_TREZOR=$USE_DEVICE_TREZOR \
+           -D BOOST_IGNORE_SYSTEM_PATHS=ON \
+     ../.. && make -j$HOST_NCORES wallet) || exit 1
 fi
 cd ../../
 
 # build libmonero-cpp shared library
 mkdir -p build && 
 cd build && 
-cmake .. && 
+cmake -D USE_DEVICE_TREZOR=$USE_DEVICE_TREZOR -D OPENSSL_ROOT_DIR=$INSTALL_DIR $@ .. &&
 cmake --build . && 
-make .
\ No newline at end of file
+make -j$HOST_NCORES .
diff --git a/external/boost b/external/boost
new file mode 160000
index 00000000..ad09f667
--- /dev/null
+++ b/external/boost
@@ -0,0 +1 @@
+Subproject commit ad09f667e61e18f5c31590941e748ac38e5a81bf
diff --git a/external/libexpat b/external/libexpat
new file mode 160000
index 00000000..88b3ed55
--- /dev/null
+++ b/external/libexpat
@@ -0,0 +1 @@
+Subproject commit 88b3ed553d8ad335559254863a33360d55b9f1d6
diff --git a/external/libsodium b/external/libsodium
new file mode 160000
index 00000000..9511c982
--- /dev/null
+++ b/external/libsodium
@@ -0,0 +1 @@
+Subproject commit 9511c982fb1d046470a8b42aa36556cdb7da15de
diff --git a/external/libsodium/include/sodium/crypto_verify_16.h b/external/libsodium/include/sodium/crypto_verify_16.h
deleted file mode 100644
index 5e9eeabe..00000000
--- a/external/libsodium/include/sodium/crypto_verify_16.h
+++ /dev/null
@@ -1,23 +0,0 @@
-#ifndef crypto_verify_16_H
-#define crypto_verify_16_H
-
-#include <stddef.h>
-#include "export.h"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#define crypto_verify_16_BYTES 16U
-SODIUM_EXPORT
-size_t crypto_verify_16_bytes(void);
-
-SODIUM_EXPORT
-int crypto_verify_16(const unsigned char *x, const unsigned char *y)
-            __attribute__ ((warn_unused_result));
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif
diff --git a/external/libsodium/include/sodium/crypto_verify_32.h b/external/libsodium/include/sodium/crypto_verify_32.h
deleted file mode 100644
index 281b5a1b..00000000
--- a/external/libsodium/include/sodium/crypto_verify_32.h
+++ /dev/null
@@ -1,23 +0,0 @@
-#ifndef crypto_verify_32_H
-#define crypto_verify_32_H
-
-#include <stddef.h>
-#include "export.h"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#define crypto_verify_32_BYTES 32U
-SODIUM_EXPORT
-size_t crypto_verify_32_bytes(void);
-
-SODIUM_EXPORT
-int crypto_verify_32(const unsigned char *x, const unsigned char *y)
-            __attribute__ ((warn_unused_result));
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif
diff --git a/external/libsodium/include/sodium/crypto_verify_64.h b/external/libsodium/include/sodium/crypto_verify_64.h
deleted file mode 100644
index 0dc7c304..00000000
--- a/external/libsodium/include/sodium/crypto_verify_64.h
+++ /dev/null
@@ -1,23 +0,0 @@
-#ifndef crypto_verify_64_H
-#define crypto_verify_64_H
-
-#include <stddef.h>
-#include "export.h"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#define crypto_verify_64_BYTES 64U
-SODIUM_EXPORT
-size_t crypto_verify_64_bytes(void);
-
-SODIUM_EXPORT
-int crypto_verify_64(const unsigned char *x, const unsigned char *y)
-            __attribute__ ((warn_unused_result));
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif
diff --git a/external/libsodium/include/sodium/export.h b/external/libsodium/include/sodium/export.h
deleted file mode 100644
index a0074fc9..00000000
--- a/external/libsodium/include/sodium/export.h
+++ /dev/null
@@ -1,57 +0,0 @@
-
-#ifndef sodium_export_H
-#define sodium_export_H
-
-#include <stddef.h>
-#include <stdint.h>
-#include <limits.h>
-
-#if !defined(__clang__) && !defined(__GNUC__)
-# ifdef __attribute__
-#  undef __attribute__
-# endif
-# define __attribute__(a)
-#endif
-
-#ifdef SODIUM_STATIC
-# define SODIUM_EXPORT
-# define SODIUM_EXPORT_WEAK
-#else
-# if defined(_MSC_VER)
-#  ifdef SODIUM_DLL_EXPORT
-#   define SODIUM_EXPORT __declspec(dllexport)
-#  else
-#   define SODIUM_EXPORT __declspec(dllimport)
-#  endif
-# else
-#  if defined(__SUNPRO_C)
-#   ifndef __GNU_C__
-#    define SODIUM_EXPORT __attribute__ (visibility(__global))
-#   else
-#    define SODIUM_EXPORT __attribute__ __global
-#   endif
-#  elif defined(_MSG_VER)
-#   define SODIUM_EXPORT extern __declspec(dllexport)
-#  else
-#   define SODIUM_EXPORT __attribute__ ((visibility ("default")))
-#  endif
-# endif
-# if defined(__ELF__) && !defined(SODIUM_DISABLE_WEAK_FUNCTIONS)
-#  define SODIUM_EXPORT_WEAK SODIUM_EXPORT __attribute__((weak))
-# else
-#  define SODIUM_EXPORT_WEAK SODIUM_EXPORT
-# endif
-#endif
-
-#ifndef CRYPTO_ALIGN
-# if defined(__INTEL_COMPILER) || defined(_MSC_VER)
-#  define CRYPTO_ALIGN(x) __declspec(align(x))
-# else
-#  define CRYPTO_ALIGN(x) __attribute__ ((aligned(x)))
-# endif
-#endif
-
-#define SODIUM_MIN(A, B) ((A) < (B) ? (A) : (B))
-#define SODIUM_SIZE_MAX SODIUM_MIN(UINT64_MAX, SIZE_MAX)
-
-#endif
diff --git a/external/libsodium/src/crypto_verify/verify.c b/external/libsodium/src/crypto_verify/verify.c
deleted file mode 100644
index ffebf220..00000000
--- a/external/libsodium/src/crypto_verify/verify.c
+++ /dev/null
@@ -1,98 +0,0 @@
-
-#include <stddef.h>
-#include <stdint.h>
-
-#include "crypto_verify_16.h"
-#include "crypto_verify_32.h"
-#include "crypto_verify_64.h"
-
-size_t
-crypto_verify_16_bytes(void)
-{
-    return crypto_verify_16_BYTES;
-}
-
-size_t
-crypto_verify_32_bytes(void)
-{
-    return crypto_verify_32_BYTES;
-}
-
-size_t
-crypto_verify_64_bytes(void)
-{
-    return crypto_verify_64_BYTES;
-}
-
-#if defined(HAVE_EMMINTRIN_H) && defined(__SSE2__)
-
-# ifdef __GNUC__
-#  pragma GCC target("sse2")
-# endif
-# include <emmintrin.h>
-
-static inline int
-crypto_verify_n(const unsigned char *x_, const unsigned char *y_,
-                const int n)
-{
-    const    __m128i zero = _mm_setzero_si128();
-    volatile __m128i v1, v2, z;
-    volatile int     m;
-    int              i;
-
-    const volatile __m128i *volatile x =
-        (const volatile __m128i *volatile) (const void *) x_;
-    const volatile __m128i *volatile y =
-        (const volatile __m128i *volatile) (const void *) y_;
-    v1 = _mm_loadu_si128((const __m128i *) &x[0]);
-    v2 = _mm_loadu_si128((const __m128i *) &y[0]);
-    z = _mm_xor_si128(v1, v2);
-    for (i = 1; i < n / 16; i++) {
-        v1 = _mm_loadu_si128((const __m128i *) &x[i]);
-        v2 = _mm_loadu_si128((const __m128i *) &y[i]);
-        z = _mm_or_si128(z, _mm_xor_si128(v1, v2));
-    }
-    m = _mm_movemask_epi8(_mm_cmpeq_epi32(z, zero));
-    v1 = zero; v2 = zero; z = zero;
-
-    return (int) (((uint32_t) m + 1U) >> 16) - 1;
-}
-
-#else
-
-static inline int
-crypto_verify_n(const unsigned char *x_, const unsigned char *y_,
-                const int n)
-{
-    const volatile unsigned char *volatile x =
-        (const volatile unsigned char *volatile) x_;
-    const volatile unsigned char *volatile y =
-        (const volatile unsigned char *volatile) y_;
-    volatile uint_fast16_t d = 0U;
-    int i;
-
-    for (i = 0; i < n; i++) {
-        d |= x[i] ^ y[i];
-    }
-    return (1 & ((d - 1) >> 8)) - 1;
-}
-
-#endif
-
-int
-crypto_verify_16(const unsigned char *x, const unsigned char *y)
-{
-    return crypto_verify_n(x, y, crypto_verify_16_BYTES);
-}
-
-int
-crypto_verify_32(const unsigned char *x, const unsigned char *y)
-{
-    return crypto_verify_n(x, y, crypto_verify_32_BYTES);
-}
-
-int
-crypto_verify_64(const unsigned char *x, const unsigned char *y)
-{
-    return crypto_verify_n(x, y, crypto_verify_64_BYTES);
-}
diff --git a/external/monero-project b/external/monero-project
index d4f2a4a9..01a653fb 160000
--- a/external/monero-project
+++ b/external/monero-project
@@ -1 +1 @@
-Subproject commit d4f2a4a9bba6eead4ad9251f7ef77ab7484dc415
+Subproject commit 01a653fb9f5c40fe2f9096e0c25a63490ceabc40
diff --git a/external/openssl b/external/openssl
new file mode 160000
index 00000000..db2ac4f6
--- /dev/null
+++ b/external/openssl
@@ -0,0 +1 @@
+Subproject commit db2ac4f6ebd8f3d7b2a60882992fbea1269114e2
diff --git a/external/unbound b/external/unbound
new file mode 160000
index 00000000..79e4c578
--- /dev/null
+++ b/external/unbound
@@ -0,0 +1 @@
+Subproject commit 79e4c578518886a32475cfbb0de383ff3a905033