diff --git a/contrib/gitian-descriptors/gitian-linux.yml b/contrib/gitian-descriptors/gitian-linux.yml
index 79df04e1d9..ff158a227a 100755
--- a/contrib/gitian-descriptors/gitian-linux.yml
+++ b/contrib/gitian-descriptors/gitian-linux.yml
@@ -23,7 +23,6 @@ packages:
 - "autoconf"
 - "libtool"
 - "automake"
-- "cmake"
 - "faketime"
 - "bsdmainutils"
 - "ca-certificates"
diff --git a/contrib/gitian-descriptors/gitian-osx.yml b/contrib/gitian-descriptors/gitian-osx.yml
index 10b5a711fd..c941dc8fc6 100644
--- a/contrib/gitian-descriptors/gitian-osx.yml
+++ b/contrib/gitian-descriptors/gitian-osx.yml
@@ -18,7 +18,6 @@ packages:
 - "automake"
 - "faketime"
 - "bsdmainutils"
-- "cmake"
 - "imagemagick"
 - "libcap-dev"
 - "libz-dev"
diff --git a/contrib/gitian-descriptors/gitian-win.yml b/contrib/gitian-descriptors/gitian-win.yml
index 3aa456e572..98da27709a 100755
--- a/contrib/gitian-descriptors/gitian-win.yml
+++ b/contrib/gitian-descriptors/gitian-win.yml
@@ -13,7 +13,6 @@ packages:
 - "autoconf"
 - "libtool"
 - "automake"
-- "cmake"
 - "faketime"
 - "bsdmainutils"
 - "mingw-w64"
diff --git a/depends/README.md b/depends/README.md
index f4531be51f..ba79881e62 100644
--- a/depends/README.md
+++ b/depends/README.md
@@ -35,7 +35,7 @@ Install the required dependencies: Ubuntu & Debian
 
 For macOS cross compilation:
 
-    sudo apt-get install curl librsvg2-bin libtiff-tools bsdmainutils cmake imagemagick libcap-dev libz-dev libbz2-dev python-setuptools
+    sudo apt-get install curl librsvg2-bin libtiff-tools bsdmainutils imagemagick libcap-dev libz-dev libbz2-dev python-setuptools
 
 For Win32/Win64 cross compilation:
 
diff --git a/depends/packages/bls-dash.mk b/depends/packages/bls-dash.mk
new file mode 100644
index 0000000000..f01a8e24c5
--- /dev/null
+++ b/depends/packages/bls-dash.mk
@@ -0,0 +1,73 @@
+package=bls-dash
+$(package)_version=1.0.0
+$(package)_download_path=https://github.com/dashpay/bls-signatures/archive
+$(package)_download_file=$($(package)_version).tar.gz
+$(package)_file_name=$(package)-$($(package)_download_file)
+$(package)_build_subdir=build
+$(package)_sha256_hash=ecbc51457dd3de153af27333038f149ba585e16fe46351b763938cb6ef0f2d9a
+$(package)_dependencies=gmp cmake
+
+$(package)_relic_version=186a15da6d07ef436dd8f00a4345838310a0aad3
+$(package)_relic_download_path=https://github.com/relic-toolkit/relic/archive
+$(package)_relic_download_file=$($(package)_relic_version).tar.gz
+$(package)_relic_file_name=relic-toolkit-$($(package)_relic_download_file)
+$(package)_relic_build_subdir=relic
+$(package)_relic_sha256_hash=70fb36acfd206f2128f6da38bda9f9ef070062d50adb97b053d98477bf0112fc
+
+$(package)_extra_sources=$($(package)_relic_file_name)
+
+define $(package)_fetch_cmds
+$(call fetch_file,$(package),$($(package)_download_path),$($(package)_download_file),$($(package)_file_name),$($(package)_sha256_hash)) && \
+$(call fetch_file,$(package),$($(package)_relic_download_path),$($(package)_relic_download_file),$($(package)_relic_file_name),$($(package)_relic_sha256_hash))
+endef
+
+define $(package)_extract_cmds
+  mkdir -p $($(package)_extract_dir) && \
+  echo "$($(package)_sha256_hash)  $($(package)_source)" > $($(package)_extract_dir)/.$($(package)_file_name).hash && \
+  echo "$($(package)_relic_sha256_hash)  $($(package)_source_dir)/$($(package)_relic_file_name)" >> $($(package)_extract_dir)/.$($(package)_file_name).hash && \
+  $(build_SHA256SUM) -c $($(package)_extract_dir)/.$($(package)_file_name).hash && \
+  tar --strip-components=1 -xf $($(package)_source) -C . && \
+  cp $($(package)_source_dir)/$($(package)_relic_file_name) .
+endef
+
+define $(package)_set_vars
+  $(package)_config_opts=-DCMAKE_INSTALL_PREFIX=$($(package)_staging_dir)/$(host_prefix)
+  $(package)_config_opts+= -DCMAKE_PREFIX_PATH=$($(package)_staging_dir)/$(host_prefix)
+  $(package)_config_opts+= -DSTLIB=ON -DSHLIB=OFF -DSTBIN=ON
+  $(package)_config_opts+= -DBUILD_BLS_PYTHON_BINDINGS=0 -DBUILD_BLS_TESTS=0 -DBUILD_BLS_BENCHMARKS=0
+  $(package)_config_opts_linux=-DOPSYS=LINUX -DCMAKE_SYSTEM_NAME=Linux
+  $(package)_config_opts_darwin=-DOPSYS=MACOSX -DCMAKE_SYSTEM_NAME=Darwin
+  $(package)_config_opts_mingw32=-DOPSYS=WINDOWS -DCMAKE_SYSTEM_NAME=Windows -DCMAKE_SHARED_LIBRARY_LINK_C_FLAGS=""
+  $(package)_config_opts_i686+= -DWSIZE=32
+  $(package)_config_opts_x86_64+= -DWSIZE=64
+  $(package)_config_opts_arm+= -DWSIZE=32
+  $(package)_config_opts_armv7l+= -DWSIZE=32
+  $(package)_config_opts_debug=-DDEBUG=ON -DCMAKE_BUILD_TYPE=Debug
+
+  ifneq ($(darwin_native_toolchain),)
+    $(package)_config_opts_darwin+= -DCMAKE_AR="$(host_prefix)/native/bin/$($(package)_ar)"
+    $(package)_config_opts_darwin+= -DCMAKE_RANLIB="$(host_prefix)/native/bin/$($(package)_ranlib)"
+  endif
+endef
+
+define $(package)_preprocess_cmds
+  sed -i.old "s|GIT_REPOSITORY https://github.com/relic-toolkit/relic.git|URL \"../../relic-toolkit-$($(package)_relic_version).tar.gz\"|" src/CMakeLists.txt && \
+  sed -i.old "s|GIT_TAG        .*RELIC_GIT_TAG.*|URL_HASH SHA256=$($(package)_relic_sha256_hash)|" src/CMakeLists.txt
+endef
+
+define $(package)_config_cmds
+  export CC="$($(package)_cc)" && \
+  export CXX="$($(package)_cxx)" && \
+  export CFLAGS="$($(package)_cflags) $($(package)_cppflags)" && \
+  export CXXFLAGS="$($(package)_cxxflags) $($(package)_cppflags)" && \
+  export LDFLAGS="$($(package)_ldflags)" && \
+  $(host_prefix)/bin/cmake ../ $($(package)_config_opts)
+endef
+
+define $(package)_build_cmds
+  $(MAKE) $($(package)_build_opts)
+endef
+
+define $(package)_stage_cmds
+  $(MAKE) install
+endef
diff --git a/depends/packages/chia_bls.mk b/depends/packages/chia_bls.mk
deleted file mode 100644
index 36ed585fb9..0000000000
--- a/depends/packages/chia_bls.mk
+++ /dev/null
@@ -1,51 +0,0 @@
-package=chia_bls
-$(package)_version=v20181101
-# It's actually from https://github.com/Chia-Network/bls-signatures, but we have so many patches atm that it's forked
-$(package)_download_path=https://github.com/dashpay/bls-signatures/archive
-$(package)_file_name=$($(package)_version).tar.gz
-$(package)_sha256_hash=b3ec74a77a7b6795f84b05e051a0824ef8d9e05b04b2993f01040f35689aa87c
-$(package)_dependencies=gmp
-#$(package)_patches=...TODO (when we switch back to https://github.com/Chia-Network/bls-signatures)
-
-#define $(package)_preprocess_cmds
-#  for i in $($(package)_patches); do patch -N -p1 < $($(package)_patch_dir)/$$$$i; done
-#endef
-
-define $(package)_set_vars
-  $(package)_config_opts=-DCMAKE_INSTALL_PREFIX=$($(package)_staging_dir)/$(host_prefix)
-  $(package)_config_opts+= -DCMAKE_PREFIX_PATH=$($(package)_staging_dir)/$(host_prefix)
-  $(package)_config_opts+= -DSTLIB=ON -DSHLIB=OFF -DSTBIN=ON
-  $(package)_config_opts_linux=-DOPSYS=LINUX -DCMAKE_SYSTEM_NAME=Linux
-  $(package)_config_opts_darwin=-DOPSYS=MACOSX -DCMAKE_SYSTEM_NAME=Darwin
-  $(package)_config_opts_mingw32=-DOPSYS=WINDOWS -DCMAKE_SYSTEM_NAME=Windows -DCMAKE_SHARED_LIBRARY_LINK_C_FLAGS="" -DCMAKE_SHARED_LIBRARY_LINK_CXX_FLAGS=""
-  $(package)_config_opts_i686+= -DWSIZE=32
-  $(package)_config_opts_x86_64+= -DWSIZE=64
-  $(package)_config_opts_arm+= -DWSIZE=32
-  $(package)_config_opts_armv7l+= -DWSIZE=32
-  $(package)_config_opts_debug=-DDEBUG=ON -DCMAKE_BUILD_TYPE=Debug
-
-  ifneq ($(darwin_native_toolchain),)
-    $(package)_config_opts_darwin+= -DCMAKE_AR="$(host_prefix)/native/bin/$($(package)_ar)"
-    $(package)_config_opts_darwin+= -DCMAKE_RANLIB="$(host_prefix)/native/bin/$($(package)_ranlib)"
-  endif
-endef
-
-define $(package)_config_cmds
-  export CC="$($(package)_cc)" && \
-  export CXX="$($(package)_cxx)" && \
-  export CFLAGS="$($(package)_cflags) $($(package)_cppflags)" && \
-  export CXXFLAGS="$($(package)_cxxflags) $($(package)_cppflags)" && \
-  export LDFLAGS="$($(package)_ldflags)" && \
-  mkdir -p build && cd build && \
-  cmake ../ $($(package)_config_opts)
-endef
-
-define $(package)_build_cmds
-  cd build && \
-  $(MAKE) $($(package)_build_opts)
-endef
-
-define $(package)_stage_cmds
-  cd build && \
-  $(MAKE) install
-endef
diff --git a/depends/packages/cmake.mk b/depends/packages/cmake.mk
new file mode 100644
index 0000000000..1da9445ef7
--- /dev/null
+++ b/depends/packages/cmake.mk
@@ -0,0 +1,17 @@
+package=cmake
+$(package)_version=3.14.7
+$(package)_download_path=https://cmake.org/files/v3.14/
+$(package)_file_name=$(package)-$($(package)_version).tar.gz
+$(package)_sha256_hash=9221993e0af3e6d10124d840ff24f5b2f3b884416fca04d3312cb0388dec1385
+
+define $(package)_config_cmds
+  ./bootstrap --prefix=$(host_prefix)
+endef
+
+define $(package)_build_cmds
+  $(MAKE)
+endef
+
+define $(package)_stage_cmds
+  $(MAKE) DESTDIR=$($(package)_staging_dir) install
+endef
diff --git a/depends/packages/native_cdrkit.mk b/depends/packages/native_cdrkit.mk
index cf694edb30..c50eb0a8f5 100644
--- a/depends/packages/native_cdrkit.mk
+++ b/depends/packages/native_cdrkit.mk
@@ -4,13 +4,14 @@ $(package)_download_path=http://distro.ibiblio.org/fatdog/source/600/c
 $(package)_file_name=cdrkit-$($(package)_version).tar.bz2
 $(package)_sha256_hash=b50d64c214a65b1a79afe3a964c691931a4233e2ba605d793eb85d0ac3652564
 $(package)_patches=cdrkit-deterministic.patch
+$(package)_dependencies=cmake
 
 define $(package)_preprocess_cmds
   patch -p1 < $($(package)_patch_dir)/cdrkit-deterministic.patch
 endef
 
 define $(package)_config_cmds
-  cmake -DCMAKE_INSTALL_PREFIX=$(build_prefix)
+  $(host_prefix)/bin/cmake -DCMAKE_INSTALL_PREFIX=$(build_prefix)
 endef
 
 define $(package)_build_cmds
diff --git a/depends/packages/native_libdmg-hfsplus.mk b/depends/packages/native_libdmg-hfsplus.mk
index a4ffb6046c..f0eb41c957 100644
--- a/depends/packages/native_libdmg-hfsplus.mk
+++ b/depends/packages/native_libdmg-hfsplus.mk
@@ -4,13 +4,14 @@ $(package)_download_path=https://github.com/theuni/libdmg-hfsplus/archive
 $(package)_file_name=libdmg-hfsplus-v$($(package)_version).tar.gz
 $(package)_sha256_hash=6569a02eb31c2827080d7d59001869ea14484c281efab0ae7f2b86af5c3120b3
 $(package)_build_subdir=build
+$(package)_dependencies=cmake
 
 define $(package)_preprocess_cmds
   mkdir build
 endef
 
 define $(package)_config_cmds
-  cmake -DCMAKE_INSTALL_PREFIX:PATH=$(build_prefix)/bin ..
+  $(host_prefix)/bin/cmake -DCMAKE_INSTALL_PREFIX:PATH=$(build_prefix)/bin ..
 endef
 
 define $(package)_build_cmds
diff --git a/depends/packages/packages.mk b/depends/packages/packages.mk
index 63e9f6e377..e236f3bcaa 100644
--- a/depends/packages/packages.mk
+++ b/depends/packages/packages.mk
@@ -1,4 +1,4 @@
-packages:=boost openssl libevent zeromq gmp chia_bls backtrace
+packages:=boost openssl libevent zeromq gmp bls-dash backtrace cmake
 
 qt_native_packages = native_protobuf
 qt_packages = qrencode protobuf zlib
diff --git a/doc/build-cross.md b/doc/build-cross.md
index c0e92fa213..119a1208cb 100644
--- a/doc/build-cross.md
+++ b/doc/build-cross.md
@@ -45,7 +45,7 @@ First, install the general dependencies:
 
     sudo apt update
     sudo apt upgrade
-    sudo apt install build-essential libtool autotools-dev automake pkg-config bsdmainutils curl git python3 cmake
+    sudo apt install build-essential libtool autotools-dev automake pkg-config bsdmainutils curl git python3
 
 A host toolchain (`build-essential`) is necessary because some dependency
 packages need to build host utilities that are used in the build process.
diff --git a/doc/build-unix.md b/doc/build-unix.md
index 07f9fbcec7..02f68d1ca0 100644
--- a/doc/build-unix.md
+++ b/doc/build-unix.md
@@ -12,27 +12,27 @@ Run the following commands to install required packages:
 
 ##### Debian/Ubuntu:
 ```bash
-$ sudo apt-get install curl build-essential libtool autotools-dev automake pkg-config python3 bsdmainutils cmake
+$ sudo apt-get install curl build-essential libtool autotools-dev automake pkg-config python3 bsdmainutils
 ```
 
 ##### Fedora:
 ```bash
-$ sudo dnf install gcc-c++ libtool make autoconf automake python3 cmake libstdc++-static patch
+$ sudo dnf install gcc-c++ libtool make autoconf automake python3 libstdc++-static patch
 ```
 
 ##### Arch Linux:
 ```bash
-$ pacman -S base-devel python3 cmake
+$ pacman -S base-devel python3
 ```
 
 ##### Alpine Linux:
 ```sh
-$ sudo apk --update --no-cache add autoconf automake cmake curl g++ gcc libexecinfo-dev libexecinfo-static libtool make perl pkgconfig python3 patch linux-headers
+$ sudo apk --update --no-cache add autoconf automake curl g++ gcc libexecinfo-dev libexecinfo-static libtool make perl pkgconfig python3 patch linux-headers
 ```
 
 ##### FreeBSD/OpenBSD:
 ```bash
-pkg_add gmake cmake libtool
+pkg_add gmake libtool
 pkg_add autoconf # (select highest version, e.g. 2.69)
 pkg_add automake # (select highest version, e.g. 1.15)
 pkg_add python # (select highest version, e.g. 3.5)
diff --git a/src/Makefile.am b/src/Makefile.am
index 7220546d89..8b7bc991da 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -45,7 +45,7 @@ BITCOIN_INCLUDES=-I$(builddir) $(BDB_CPPFLAGS) $(BOOST_CPPFLAGS) $(LEVELDB_CPPFL
 BITCOIN_INCLUDES += -I$(srcdir)/secp256k1/include
 BITCOIN_INCLUDES += $(UNIVALUE_CFLAGS)
 
-BLS_LIBS=-lchiabls -lgmp
+BLS_LIBS=-lbls-dash -lgmp
 
 LIBBITCOIN_SERVER=libdash_server.a
 LIBBITCOIN_COMMON=libdash_common.a
diff --git a/src/bls/bls.cpp b/src/bls/bls.cpp
index 5bd706a116..df5fe5caf0 100644
--- a/src/bls/bls.cpp
+++ b/src/bls/bls.cpp
@@ -14,6 +14,14 @@
 #include <assert.h>
 #include <string.h>
 
+static std::unique_ptr<bls::CoreMPL> pSchemeLegacy(new bls::LegacySchemeMPL);
+static std::unique_ptr<bls::CoreMPL> pScheme(new bls::BasicSchemeMPL);
+
+static std::unique_ptr<bls::CoreMPL>& Scheme(const bool fLegacy)
+{
+    return fLegacy ? pSchemeLegacy : pScheme;
+}
+
 CBLSId::CBLSId(const uint256& nHash) : CBLSWrapper<CBLSIdImplicit, BLS_CURVE_ID_SIZE, CBLSId>()
 {
     impl = nHash;
@@ -24,7 +32,7 @@ CBLSId::CBLSId(const uint256& nHash) : CBLSWrapper<CBLSIdImplicit, BLS_CURVE_ID_
 void CBLSSecretKey::AggregateInsecure(const CBLSSecretKey& o)
 {
     assert(IsValid() && o.IsValid());
-    impl = bls::PrivateKey::AggregateInsecure({impl, o.impl});
+    impl = bls::PrivateKey::Aggregate({impl, o.impl});
     cachedHash.SetNull();
 }
 
@@ -41,7 +49,7 @@ CBLSSecretKey CBLSSecretKey::AggregateInsecure(const std::vector<CBLSSecretKey>&
     }
 
     CBLSSecretKey ret;
-    ret.impl = bls::PrivateKey::AggregateInsecure(v);
+    ret.impl = bls::PrivateKey::Aggregate(v);
     ret.fValid = true;
     ret.cachedHash.SetNull();
     return ret;
@@ -54,7 +62,7 @@ void CBLSSecretKey::MakeNewKey()
     while (true) {
         GetStrongRandBytes(buf, sizeof(buf));
         try {
-            impl = bls::PrivateKey::FromBytes((const uint8_t*)buf);
+            impl = bls::PrivateKey::FromBytes(bls::Bytes((const uint8_t*)buf, SerSize));
             break;
         } catch (...) {
         }
@@ -83,7 +91,7 @@ bool CBLSSecretKey::SecretKeyShare(const std::vector<CBLSSecretKey>& msk, const
     }
 
     try {
-        impl = bls::BLS::PrivateKeyShare(mskVec, (const uint8_t*)_id.impl.begin());
+        impl = bls::Threshold::PrivateKeyShare(mskVec, bls::Bytes(_id.impl.begin(), _id.impl.size()));
     } catch (...) {
         return false;
     }
@@ -100,7 +108,7 @@ CBLSPublicKey CBLSSecretKey::GetPublicKey() const
     }
 
     CBLSPublicKey pubKey;
-    pubKey.impl = impl.GetPublicKey();
+    pubKey.impl = impl.GetG1Element();
     pubKey.fValid = true;
     pubKey.cachedHash.SetNull();
     return pubKey;
@@ -113,7 +121,7 @@ CBLSSignature CBLSSecretKey::Sign(const uint256& hash) const
     }
 
     CBLSSignature sigRet;
-    sigRet.impl = impl.SignInsecurePrehashed((const uint8_t*)hash.begin());
+    sigRet.impl = Scheme(fLegacy)->Sign(impl, bls::Bytes(hash.begin(), hash.size()));
 
     sigRet.fValid = true;
     sigRet.cachedHash.SetNull();
@@ -124,24 +132,24 @@ CBLSSignature CBLSSecretKey::Sign(const uint256& hash) const
 void CBLSPublicKey::AggregateInsecure(const CBLSPublicKey& o)
 {
     assert(IsValid() && o.IsValid());
-    impl = bls::PublicKey::AggregateInsecure({impl, o.impl});
+    impl = Scheme(fLegacy)->Aggregate({impl, o.impl});
     cachedHash.SetNull();
 }
 
-CBLSPublicKey CBLSPublicKey::AggregateInsecure(const std::vector<CBLSPublicKey>& pks)
+CBLSPublicKey CBLSPublicKey::AggregateInsecure(const std::vector<CBLSPublicKey>& pks, const bool fLegacy)
 {
     if (pks.empty()) {
         return CBLSPublicKey();
     }
 
-    std::vector<bls::PublicKey> v;
-    v.reserve(pks.size());
+    std::vector<bls::G1Element> vecPublicKeys;
+    vecPublicKeys.reserve(pks.size());
     for (auto& pk : pks) {
-        v.emplace_back(pk.impl);
+        vecPublicKeys.emplace_back(pk.impl);
     }
 
     CBLSPublicKey ret;
-    ret.impl = bls::PublicKey::AggregateInsecure(v);
+    ret.impl = Scheme(fLegacy)->Aggregate(vecPublicKeys);
     ret.fValid = true;
     ret.cachedHash.SetNull();
     return ret;
@@ -156,7 +164,7 @@ bool CBLSPublicKey::PublicKeyShare(const std::vector<CBLSPublicKey>& mpk, const
         return false;
     }
 
-    std::vector<bls::PublicKey> mpkVec;
+    std::vector<bls::G1Element> mpkVec;
     mpkVec.reserve(mpk.size());
     for (const CBLSPublicKey& pk : mpk) {
         if (!pk.IsValid()) {
@@ -166,7 +174,7 @@ bool CBLSPublicKey::PublicKeyShare(const std::vector<CBLSPublicKey>& mpk, const
     }
 
     try {
-        impl = bls::BLS::PublicKeyShare(mpkVec, (const uint8_t*)_id.impl.begin());
+        impl = bls::Threshold::PublicKeyShare(mpkVec, bls::Bytes(_id.impl.begin(), _id.impl.size()));
     } catch (...) {
         return false;
     }
@@ -184,7 +192,7 @@ bool CBLSPublicKey::DHKeyExchange(const CBLSSecretKey& sk, const CBLSPublicKey&
     if (!sk.IsValid() || !pk.IsValid()) {
         return false;
     }
-    impl = bls::BLS::DHKeyExchange(sk.impl, pk.impl);
+    impl = sk.impl * pk.impl;
     fValid = true;
     cachedHash.SetNull();
     return true;
@@ -193,24 +201,24 @@ bool CBLSPublicKey::DHKeyExchange(const CBLSSecretKey& sk, const CBLSPublicKey&
 void CBLSSignature::AggregateInsecure(const CBLSSignature& o)
 {
     assert(IsValid() && o.IsValid());
-    impl = bls::InsecureSignature::Aggregate({impl, o.impl});
+    impl = Scheme(fLegacy)->Aggregate({impl, o.impl});
     cachedHash.SetNull();
 }
 
-CBLSSignature CBLSSignature::AggregateInsecure(const std::vector<CBLSSignature>& sigs)
+CBLSSignature CBLSSignature::AggregateInsecure(const std::vector<CBLSSignature>& sigs, const bool fLegacy)
 {
     if (sigs.empty()) {
         return CBLSSignature();
     }
 
-    std::vector<bls::InsecureSignature> v;
+    std::vector<bls::G2Element> v;
     v.reserve(sigs.size());
     for (auto& pk : sigs) {
         v.emplace_back(pk.impl);
     }
 
     CBLSSignature ret;
-    ret.impl = bls::InsecureSignature::Aggregate(v);
+    ret.impl = Scheme(fLegacy)->Aggregate(v);
     ret.fValid = true;
     ret.cachedHash.SetNull();
     return ret;
@@ -218,22 +226,27 @@ CBLSSignature CBLSSignature::AggregateInsecure(const std::vector<CBLSSignature>&
 
 CBLSSignature CBLSSignature::AggregateSecure(const std::vector<CBLSSignature>& sigs,
                                              const std::vector<CBLSPublicKey>& pks,
-                                             const uint256& hash)
+                                             const uint256& hash,
+                                             const bool fLegacy)
 {
     if (sigs.size() != pks.size() || sigs.empty()) {
         return CBLSSignature();
     }
 
-    std::vector<bls::Signature> v;
-    v.reserve(sigs.size());
+    std::vector<bls::G1Element> vecPublicKeys;
+    vecPublicKeys.reserve(pks.size());
+    for (auto& pk : pks) {
+        vecPublicKeys.push_back(pk.impl);
+    }
 
-    for (size_t i = 0; i < sigs.size(); i++) {
-        bls::AggregationInfo aggInfo = bls::AggregationInfo::FromMsgHash(pks[i].impl, hash.begin());
-        v.emplace_back(bls::Signature::FromInsecureSig(sigs[i].impl, aggInfo));
+    std::vector<bls::G2Element> vecSignatures;
+    vecSignatures.reserve(pks.size());
+    for (auto& sig : sigs) {
+        vecSignatures.push_back(sig.impl);
     }
 
     CBLSSignature ret;
-    ret.impl = bls::Signature::AggregateSigs(v).GetInsecureSig();
+    ret.impl = Scheme(fLegacy)->AggregateSecure(vecPublicKeys, vecSignatures, bls::Bytes(hash.begin(), hash.size()));
     ret.fValid = true;
     ret.cachedHash.SetNull();
     return ret;
@@ -242,7 +255,7 @@ CBLSSignature CBLSSignature::AggregateSecure(const std::vector<CBLSSignature>& s
 void CBLSSignature::SubInsecure(const CBLSSignature& o)
 {
     assert(IsValid() && o.IsValid());
-    impl = impl.DivideBy({o.impl});
+    impl = impl + o.impl.Negate();
     cachedHash.SetNull();
 }
 
@@ -253,7 +266,7 @@ bool CBLSSignature::VerifyInsecure(const CBLSPublicKey& pubKey, const uint256& h
     }
 
     try {
-        return impl.Verify({(const uint8_t*)hash.begin()}, {pubKey.impl});
+        return Scheme(fLegacy)->Verify(pubKey.impl, bls::Bytes(hash.begin(), hash.size()), impl);
     } catch (...) {
         return false;
     }
@@ -266,8 +279,8 @@ bool CBLSSignature::VerifyInsecureAggregated(const std::vector<CBLSPublicKey>& p
     }
     assert(!pubKeys.empty() && !hashes.empty() && pubKeys.size() == hashes.size());
 
-    std::vector<bls::PublicKey> pubKeyVec;
-    std::vector<const uint8_t*> hashes2;
+    std::vector<bls::G1Element> pubKeyVec;
+    std::vector<bls::Bytes> hashes2;
     hashes2.reserve(hashes.size());
     pubKeyVec.reserve(pubKeys.size());
     for (size_t i = 0; i < pubKeys.size(); i++) {
@@ -276,11 +289,11 @@ bool CBLSSignature::VerifyInsecureAggregated(const std::vector<CBLSPublicKey>& p
             return false;
         }
         pubKeyVec.push_back(p.impl);
-        hashes2.push_back((uint8_t*)hashes[i].begin());
+        hashes2.emplace_back(hashes[i].begin(), hashes[i].size());
     }
 
     try {
-        return impl.Verify(hashes2, pubKeyVec);
+        return Scheme(fLegacy)->AggregateVerify(pubKeyVec, hashes2, impl);
     } catch (...) {
         return false;
     }
@@ -292,16 +305,13 @@ bool CBLSSignature::VerifySecureAggregated(const std::vector<CBLSPublicKey>& pks
         return false;
     }
 
-    std::vector<bls::AggregationInfo> v;
-    v.reserve(pks.size());
-    for (auto& pk : pks) {
-        auto aggInfo = bls::AggregationInfo::FromMsgHash(pk.impl, hash.begin());
-        v.emplace_back(aggInfo);
+    std::vector<bls::G1Element> vecPublicKeys;
+    vecPublicKeys.reserve(pks.size());
+    for (const auto& pk : pks) {
+        vecPublicKeys.push_back(pk.impl);
     }
 
-    bls::AggregationInfo aggInfo = bls::AggregationInfo::MergeInfos(v);
-    bls::Signature aggSig = bls::Signature::FromInsecureSig(impl, aggInfo);
-    return aggSig.Verify();
+    return Scheme(fLegacy)->VerifySecure(vecPublicKeys, impl, bls::Bytes(hash.begin(), hash.size()));
 }
 
 bool CBLSSignature::Recover(const std::vector<CBLSSignature>& sigs, const std::vector<CBLSId>& ids)
@@ -313,8 +323,8 @@ bool CBLSSignature::Recover(const std::vector<CBLSSignature>& sigs, const std::v
         return false;
     }
 
-    std::vector<bls::InsecureSignature> sigsVec;
-    std::vector<const uint8_t*> idsVec;
+    std::vector<bls::G2Element> sigsVec;
+    std::vector<bls::Bytes> idsVec;
     sigsVec.reserve(sigs.size());
     idsVec.reserve(sigs.size());
 
@@ -323,11 +333,11 @@ bool CBLSSignature::Recover(const std::vector<CBLSSignature>& sigs, const std::v
             return false;
         }
         sigsVec.emplace_back(sigs[i].impl);
-        idsVec.emplace_back(ids[i].impl.begin());
+        idsVec.emplace_back(ids[i].impl.begin(), ids[i].impl.size());
     }
 
     try {
-        impl = bls::BLS::RecoverSig(sigsVec, idsVec);
+        impl = bls::Threshold::SignatureRecover(sigsVec, idsVec);
     } catch (...) {
         return false;
     }
diff --git a/src/bls/bls.h b/src/bls/bls.h
index 660892424c..a78cc8f8e8 100644
--- a/src/bls/bls.h
+++ b/src/bls/bls.h
@@ -10,17 +10,22 @@
 #include <uint256.h>
 #include <utilstrencodings.h>
 
-#undef ERROR // chia BLS uses relic, which defines ERROR, which in turn causes win32/win64 builds to print many warnings
-#include <chiabls/bls.hpp>
-#include <chiabls/privatekey.hpp>
-#include <chiabls/publickey.hpp>
-#include <chiabls/signature.hpp>
+// bls-dash uses relic, which may define DEBUG and ERROR, which leads to many warnings in some build setups
+#undef ERROR
+#undef DEBUG
+#include <bls-dash/bls.hpp>
+#include <bls-dash/privatekey.hpp>
+#include <bls-dash/elements.hpp>
+#include <bls-dash/schemes.hpp>
+#include <bls-dash/threshold.hpp>
 #undef DOUBLE
 
 #include <array>
 #include <mutex>
 #include <unistd.h>
 
+static const bool fLegacyDefault{true};
+
 // reversed BLS12-381
 #define BLS_CURVE_ID_SIZE 32
 #define BLS_CURVE_SECKEY_SIZE 32
@@ -37,6 +42,8 @@ class CBLSWrapper
     friend class CBLSPublicKey;
     friend class CBLSSignature;
 
+    bool fLegacy;
+
 protected:
     ImplType impl;
     bool fValid{false};
@@ -47,10 +54,10 @@ protected:
 public:
     static const size_t SerSize = _SerSize;
 
-    CBLSWrapper()
+    CBLSWrapper(const bool fLegacyIn = fLegacyDefault) : fLegacy(fLegacyIn)
     {
     }
-    CBLSWrapper(const std::vector<unsigned char>& vecBytes) : CBLSWrapper<ImplType, _SerSize, C>()
+    CBLSWrapper(const std::vector<unsigned char>& vecBytes, const bool fLegacyIn = fLegacyDefault) : CBLSWrapper<ImplType, _SerSize, C>(fLegacyIn)
     {
         SetByteVector(vecBytes);
     }
@@ -62,12 +69,14 @@ public:
         std::swap(impl, ref.impl);
         std::swap(fValid, ref.fValid);
         std::swap(cachedHash, ref.cachedHash);
+        std::swap(fLegacy, ref.fLegacy);
     }
     CBLSWrapper& operator=(CBLSWrapper&& ref)
     {
         std::swap(impl, ref.impl);
         std::swap(fValid, ref.fValid);
         std::swap(cachedHash, ref.cachedHash);
+        std::swap(fLegacy, ref.fLegacy);
         return *this;
     }
 
@@ -87,7 +96,7 @@ public:
 
     void Reset()
     {
-        *((C*)this) = C();
+        *((C*)this) = C(fLegacy);
     }
 
     void SetByteVector(const std::vector<uint8_t>& vecBytes)
@@ -101,7 +110,7 @@ public:
             Reset();
         } else {
             try {
-                impl = ImplType::FromBytes(vecBytes.data());
+                impl = ImplType::FromBytes(bls::Bytes(vecBytes), fLegacy);
                 fValid = true;
             } catch (...) {
                 Reset();
@@ -115,7 +124,7 @@ public:
         if (!fValid) {
             return std::vector<uint8_t>(SerSize, 0);
         }
-        return impl.Serialize();
+        return impl.Serialize(fLegacy);
     }
 
     const uint256& GetHash() const
@@ -189,13 +198,13 @@ struct CBLSIdImplicit : public uint256
     {
         memcpy(begin(), id.begin(), sizeof(uint256));
     }
-    static CBLSIdImplicit FromBytes(const uint8_t* buffer)
+    static CBLSIdImplicit FromBytes(const uint8_t* buffer, const bool fLegacy = false)
     {
         CBLSIdImplicit instance;
         memcpy(instance.begin(), buffer, sizeof(CBLSIdImplicit));
         return instance;
     }
-    std::vector<uint8_t> Serialize() const
+    std::vector<uint8_t> Serialize(const bool fLegacy = false) const
     {
         return {begin(), end()};
     }
@@ -235,7 +244,7 @@ public:
     CBLSSignature Sign(const uint256& hash) const;
 };
 
-class CBLSPublicKey : public CBLSWrapper<bls::PublicKey, BLS_CURVE_PUBKEY_SIZE, CBLSPublicKey>
+class CBLSPublicKey : public CBLSWrapper<bls::G1Element, BLS_CURVE_PUBKEY_SIZE, CBLSPublicKey>
 {
     friend class CBLSSecretKey;
     friend class CBLSSignature;
@@ -249,14 +258,14 @@ public:
     CBLSPublicKey() {}
 
     void AggregateInsecure(const CBLSPublicKey& o);
-    static CBLSPublicKey AggregateInsecure(const std::vector<CBLSPublicKey>& pks);
+    static CBLSPublicKey AggregateInsecure(const std::vector<CBLSPublicKey>& pks, bool fLegacy = fLegacyDefault);
 
     bool PublicKeyShare(const std::vector<CBLSPublicKey>& mpk, const CBLSId& id);
     bool DHKeyExchange(const CBLSSecretKey& sk, const CBLSPublicKey& pk);
 
 };
 
-class CBLSSignature : public CBLSWrapper<bls::InsecureSignature, BLS_CURVE_SIG_SIZE, CBLSSignature>
+class CBLSSignature : public CBLSWrapper<bls::G2Element, BLS_CURVE_SIG_SIZE, CBLSSignature>
 {
     friend class CBLSSecretKey;
 
@@ -270,8 +279,8 @@ public:
     CBLSSignature& operator=(const CBLSSignature&) = default;
 
     void AggregateInsecure(const CBLSSignature& o);
-    static CBLSSignature AggregateInsecure(const std::vector<CBLSSignature>& sigs);
-    static CBLSSignature AggregateSecure(const std::vector<CBLSSignature>& sigs, const std::vector<CBLSPublicKey>& pks, const uint256& hash);
+    static CBLSSignature AggregateInsecure(const std::vector<CBLSSignature>& sigs, bool fLegacy = fLegacyDefault);
+    static CBLSSignature AggregateSecure(const std::vector<CBLSSignature>& sigs, const std::vector<CBLSPublicKey>& pks, const uint256& hash, bool fLegacy = fLegacyDefault);
 
     void SubInsecure(const CBLSSignature& o);