diff --git a/Makefile b/Makefile
index e4c08c0..9eb1cbe 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-# Copyright (c) 2019, The Wownero Project
+# Copyright (c) 2019, The Lolnero Project
 #
 # All rights reserved.
 #
@@ -30,47 +30,47 @@
 .PHONY: toolchain clean
 
 clean:
-	-rm -f ./cyberwow/android/app/src/main/jniLibs/arm64-v8a/*.so
-	cd cyberwow && \
+	-rm -f ./lolnode/android/app/src/main/jniLibs/arm64-v8a/*.so
+	cd lolnode && \
   flutter clean
 
 watch:
-	find cyberwow/lib/ -name '*.dart' | \
+	find lolnode/lib/ -name '*.dart' | \
 	entr kill -USR1 `cat /tmp/flutter.pid`
 
 watch-build:
-	find cyberwow/lib/ -name '*.dart' | \
+	find lolnode/lib/ -name '*.dart' | \
 	entr $(MAKE) build-debug
 
 run:
-	cd cyberwow && \
+	cd lolnode && \
 	flutter run --debug --pid-file /tmp/flutter.pid
 
 run-release:
-	cd cyberwow && \
+	cd lolnode && \
 	flutter run --release --pid-file /tmp/flutter.pid
 
 build:
-	cd cyberwow && \
+	cd lolnode && \
 	flutter build apk --target-platform android-arm64
 
 build-bundle:
-	cd cyberwow && \
+	cd lolnode && \
 	flutter build appbundle --target-platform android-arm64
 
 build-debug:
-	cd cyberwow && \
+	cd lolnode && \
 	flutter build appbundle --debug --target-platform android-arm64
 
 install: build
-	cd cyberwow && \
+	cd lolnode && \
   flutter install
 
-# build wownero android binary
+# build lolnero android binary
 
 script := etc/scripts/build-external-libs
 
-wow: clean-external-libs collect-wownero build
+lol: clean-external-libs collect-lolnero build
 
 clean-external-libs:
 	$(script)/clean.sh
@@ -94,15 +94,19 @@ sodium: toolchain
 	$(script)/sodium/fetch.sh
 	$(script)/sodium/build.sh
 
-toolchain-wow:
-	$(script)/toolchain-wow/import.sh
-	$(script)/toolchain-wow/patch.sh
+toolchain-lol:
+	$(script)/toolchain-lol/import.sh
+	$(script)/toolchain-lol/patch.sh
 
-wownero: openssl boost sodium toolchain-wow
-	$(script)/wownero/fetch.sh
-	$(script)/wownero/build.sh
+lolnero: openssl boost sodium toolchain-lol
+	$(script)/lolnero/fetch.sh
+	$(script)/lolnero/build.sh
 
-collect-wownero: wownero
+lolnero-raw:
+	$(script)/lolnero/fetch.sh
+	$(script)/lolnero/build.sh
+
+collect-lolnero: lolnero
 	$(script)/collect.sh
 
 # etc
diff --git a/etc/nix/shell.nix b/etc/nix/shell.nix
index 9d10304..d06f946 100644
--- a/etc/nix/shell.nix
+++ b/etc/nix/shell.nix
@@ -46,10 +46,20 @@ let
     xkeyboard_config
   ]
 
-; ndk-r17c = (nixpkgs.androidenv.composeAndroidPackages
-  {
-    ndkVersion = "17.2.4988734"
-  ; }).ndk-bundle
+# ; ndk-r17c = (nixpkgs.androidenv.composeAndroidPackages
+#   {
+#     ndkVersion = "17.2.4988734"
+#   ; }).ndk-bundle
+
+; ndk-r17c =
+    let
+      version = "r17c"
+    ; in
+    nixpkgs.fetchzip
+    {
+      url = "https://dl.google.com/android/repository/android-ndk-${version}-linux-x86_64.zip"
+    ; sha256 = "02q1hy423syl868jdyaxjm44hn59cmni5019r811vinagvq3m7qi"
+    ; }
 
 ; ndk-r21b =
     let
@@ -121,7 +131,7 @@ let
 with nixpkgs;
 
 (buildFHSUserEnv {
-  name = "cyberwow-env"
+  name = "lolnode-env"
 ; targetPkgs = pkgs: (with pkgs;
   [
     bash
@@ -155,6 +165,8 @@ with nixpkgs;
     pkgconfig
     cmake
     ccache
+
+    python2
   ]
   ++ android-studio-deps
   )
@@ -181,7 +193,7 @@ with nixpkgs;
     export SRC_BOOST=${boost-source}
     export SRC_SODIUM=${sodium-source}
     export SRC_RAPIDJSON_DIR=${nixpkgs.rapidjson.src}
-    export SRC_WOWNERO_DIR=${lolnero-source}
+    export SRC_LOLNERO_DIR=${lolnero-source}
 
     export PATH_NCURSES=${nixpkgs.ncurses5}
     export PATH
@@ -189,8 +201,8 @@ with nixpkgs;
     export _JAVA_AWT_WM_NONREPARENTING=1
     export DART_VM_OPTIONS=--root-certs-file=/etc/ssl/certs/ca-certificates.crt
 
-    export ANDROID_NDK_VERSION_WOW=r17c
-    export ANDROID_NDK_ROOT_WOW=${ndk-r17c}/libexec/android-sdk/ndk-bundle
+    export ANDROID_NDK_VERSION_LOL=r17c
+    export ANDROID_NDK_ROOT_LOL=${ndk-r17c}
 
     export ZSH_INIT=${nixpkgs.oh-my-zsh}/share/oh-my-zsh/oh-my-zsh.sh
     exec zsh
diff --git a/etc/scripts/build-external-libs/collect.sh b/etc/scripts/build-external-libs/collect.sh
index 9502e9f..327790f 100755
--- a/etc/scripts/build-external-libs/collect.sh
+++ b/etc/scripts/build-external-libs/collect.sh
@@ -37,7 +37,7 @@ src_root=$BUILD_ROOT_SRC
 build_root=$BUILD_ROOT
 target_root=`pwd`
 
-name=wownero
+name=lolnero
 
 cd $src_root/${name}
 
@@ -61,9 +61,9 @@ for arch in ${archs[@]}; do
     esac
 
     echo "collecting for ${arch}"
-    mkdir -p $target_root/cyberwow/android/app/src/main/jniLibs/$target_abi
-    cp build/release/bin/wownerod \
-      $target_root/cyberwow/android/app/src/main/jniLibs/$target_abi/libwownerod.so
+    mkdir -p $target_root/lolnode/android/app/src/main/jniLibs/$target_abi
+    cp build/release/bin/lolnerod \
+      $target_root/lolnode/android/app/src/main/jniLibs/$target_abi/liblolnerod.so
 
 done
 
diff --git a/etc/scripts/build-external-libs/env.sh b/etc/scripts/build-external-libs/env.sh
index 0fee5fa..252aa62 100644
--- a/etc/scripts/build-external-libs/env.sh
+++ b/etc/scripts/build-external-libs/env.sh
@@ -29,14 +29,14 @@
 # STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
 # THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-DEFAULT_ANDROID_NDK_ROOT=~/SDK/Android/ndk-archive/android-ndk-r20
+DEFAULT_ANDROID_NDK_ROOT=~/SDK/Android/ndk-archive/android-ndk-r21b
 ANDROID_NDK_ROOT="${ANDROID_NDK_ROOT:-${DEFAULT_ANDROID_NDK_ROOT}}"
 export ANDROID_NDK_ROOT=`realpath $ANDROID_NDK_ROOT`
 
-DEFAULT_ANDROID_NDK_VERSION=r20
+DEFAULT_ANDROID_NDK_VERSION=r21b
 ANDROID_NDK_VERSION="${ANDROID_NDK_VERSION:-${DEFAULT_ANDROID_NDK_VERSION}}"
 
-BUILD_PATH=../cyberwow-build
+BUILD_PATH=../lolnode-build
 
 DEFAULT_BUILD_ROOT=${BUILD_PATH}/$ANDROID_NDK_VERSION
 BUILD_ROOT="${BUILD_ROOT:-${DEFAULT_BUILD_ROOT}}"
@@ -50,18 +50,18 @@ NPROC="${NPROC:-${DEFAULT_NPROC}}"
 export NPROC
 
 
-# wownero can only be built with ndk-r17c
+#  can only be built with ndk-r17c
 
-DEFAULT_ANDROID_NDK_VERSION_WOW=r17c
-ANDROID_NDK_VERSION_WOW="${ANDROID_NDK_VERSION_WOW:-${DEFAULT_ANDROID_NDK_VERSION_WOW}}"
+DEFAULT_ANDROID_NDK_VERSION_LOL=r17c
+ANDROID_NDK_VERSION_LOL="${ANDROID_NDK_VERSION_LOL:-${DEFAULT_ANDROID_NDK_VERSION_LOL}}"
 
-DEFAULT_ANDROID_NDK_ROOT_WOW=$ANDROID_NDK_ROOT/../$ANDROID_NDK_VERSION_WOW
-ANDROID_NDK_ROOT_WOW="${ANDROID_NDK_ROOT_WOW:-${DEFAULT_ANDROID_NDK_ROOT_WOW}}"
-export ANDROID_NDK_ROOT_WOW=`realpath $ANDROID_NDK_ROOT_WOW`
+DEFAULT_ANDROID_NDK_ROOT_LOL=$ANDROID_NDK_ROOT/../$ANDROID_NDK_VERSION_LOL
+ANDROID_NDK_ROOT_LOL="${ANDROID_NDK_ROOT_LOL:-${DEFAULT_ANDROID_NDK_ROOT_LOL}}"
+export ANDROID_NDK_ROOT_LOL=`realpath $ANDROID_NDK_ROOT_LOL`
 
-DEFAULT_BUILD_ROOT_WOW=${BUILD_PATH}/$ANDROID_NDK_VERSION_WOW
-BUILD_ROOT_WOW="${BUILD_ROOT_WOW:-${DEFAULT_BUILD_ROOT_WOW}}"
-export BUILD_ROOT_WOW=`realpath $BUILD_ROOT_WOW`
+DEFAULT_BUILD_ROOT_LOL=${BUILD_PATH}/$ANDROID_NDK_VERSION_LOL
+BUILD_ROOT_LOL="${BUILD_ROOT_LOL:-${DEFAULT_BUILD_ROOT_LOL}}"
+export BUILD_ROOT_LOL=`realpath $BUILD_ROOT_LOL`
 
 
 
diff --git a/etc/scripts/build-external-libs/wownero/build.sh b/etc/scripts/build-external-libs/lolnero/build.sh
similarity index 96%
rename from etc/scripts/build-external-libs/wownero/build.sh
rename to etc/scripts/build-external-libs/lolnero/build.sh
index 86226f3..87782ab 100755
--- a/etc/scripts/build-external-libs/wownero/build.sh
+++ b/etc/scripts/build-external-libs/lolnero/build.sh
@@ -36,9 +36,9 @@ source etc/scripts/build-external-libs/env.sh
 build_root=$BUILD_ROOT
 src_root=$BUILD_ROOT_SRC
 
-build_root_wow=$BUILD_ROOT_WOW
+build_root_lol=$BUILD_ROOT_LOL
 
-name=wownero
+name=lolnero
 
 cd $src_root/${name}
 
@@ -69,7 +69,7 @@ for arch in ${archs[@]}; do
     ln -s $PATH_NCURSES/lib/libncursesw.so.5 $PREFIX/dlib/libtinfo.so.5
 
     export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$PREFIX/dlib
-    export TOOLCHAIN_DIR=`realpath $build_root_wow/tool/${arch}`
+    export TOOLCHAIN_DIR=`realpath $build_root_lol/tool/${arch}`
     export PATH=$PATH:$build_root/host/bin
 
     mkdir -p build/release
diff --git a/etc/scripts/build-external-libs/wownero/fetch.sh b/etc/scripts/build-external-libs/lolnero/fetch.sh
similarity index 91%
rename from etc/scripts/build-external-libs/wownero/fetch.sh
rename to etc/scripts/build-external-libs/lolnero/fetch.sh
index 2bf3a8b..443f9a7 100755
--- a/etc/scripts/build-external-libs/wownero/fetch.sh
+++ b/etc/scripts/build-external-libs/lolnero/fetch.sh
@@ -35,23 +35,23 @@ source etc/scripts/build-external-libs/env.sh
 
 cd $BUILD_ROOT_SRC
 
-name=wownero
-version=v0.8.0.0
+name=lolnero
+version=v0.5.0.0
 # version=dev-v0.8
 githash=1271a7e3a97c0d81816b401627aefb6c6697d0b3
-out=wownero
+out=lolnero
 
 chmod u+w -f -R $out || true
 
 rm -rf $out
 
-if [ ! -z $SRC_WOWNERO_DIR ]; then
+if [ ! -z $SRC_LOLNERO_DIR ]; then
     echo "using pre-fetched $name"
-    rsync -av --no-perms --no-owner --no-group --delete $SRC_WOWNERO_DIR/* $out
+    rsync -av --no-perms --no-owner --no-group --delete $SRC_LOLNERO_DIR/* $out
     chmod u+w -R $out/external
     cd $name
 else
-    git clone --depth 1 https://github.com/wownero/wownero.git -b $version
+    git clone --depth 1 https://gitlab.com/fuwa/lolnero.git -b $version
     cd $name
     test `git rev-parse HEAD` = $githash || exit 1
 fi
diff --git a/etc/scripts/build-external-libs/toolchain-wow/import.sh b/etc/scripts/build-external-libs/toolchain-lol/import.sh
similarity index 78%
rename from etc/scripts/build-external-libs/toolchain-wow/import.sh
rename to etc/scripts/build-external-libs/toolchain-lol/import.sh
index 6e11ea2..c33a7b8 100755
--- a/etc/scripts/build-external-libs/toolchain-wow/import.sh
+++ b/etc/scripts/build-external-libs/toolchain-lol/import.sh
@@ -30,20 +30,31 @@
 # THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 set -e
-
 source etc/scripts/build-external-libs/env.sh
 
-build_root=$BUILD_ROOT_WOW
-PATH=$ANDROID_NDK_ROOT_WOW/build/tools/:$PATH
+
+build_root=$BUILD_ROOT_LOL
+# PATH=$ANDROID_NDK_ROOT_LOL/build/tools/:$PATH
+
+mkdir -p $build_root
+ndk_mirror=$build_root/mirror
+cp -vr $ANDROID_NDK_ROOT_LOL/ $ndk_mirror
+chmod u+w -R $ndk_mirror
 
 args="--api 23 --stl=libc++"
+
 archs=(arm64)
 
 for arch in ${archs[@]}; do
+    bin=$ndk_mirror/build/tools/make_standalone_toolchain.py
 
-    if [ ! -d "$build_root/tool/$arch" ]; then
+    out=$build_root/tool/$arch
+    echo "installing toolchain for ${arch} into $out"
+
+    if [ ! -d "$out" ]; then
         echo "installing $arch"
-        make_standalone_toolchain.py $args --arch $arch --install-dir $build_root/tool/$arch
+        echo $bin $args --arch $arch --install-dir $out
+        $bin $args --arch $arch --install-dir $out
     fi
 
 done
diff --git a/etc/scripts/build-external-libs/toolchain-wow/patch.sh b/etc/scripts/build-external-libs/toolchain-lol/patch.sh
similarity index 96%
rename from etc/scripts/build-external-libs/toolchain-wow/patch.sh
rename to etc/scripts/build-external-libs/toolchain-lol/patch.sh
index 37ae12d..aa72e85 100755
--- a/etc/scripts/build-external-libs/toolchain-wow/patch.sh
+++ b/etc/scripts/build-external-libs/toolchain-lol/patch.sh
@@ -33,8 +33,8 @@ set -e
 
 source etc/scripts/build-external-libs/env.sh
 
-build_root=$BUILD_ROOT_WOW
-PATH=$ANDROID_NDK_ROOT_WOW/build/tools/:$PATH
+build_root=$BUILD_ROOT_LOL
+PATH=$ANDROID_NDK_ROOT_LOL/build/tools/:$PATH
 
 archs=(arm64)
 
diff --git a/etc/scripts/build-external-libs/toolchain/import.sh b/etc/scripts/build-external-libs/toolchain/import.sh
index 76634aa..061807a 100755
--- a/etc/scripts/build-external-libs/toolchain/import.sh
+++ b/etc/scripts/build-external-libs/toolchain/import.sh
@@ -40,10 +40,14 @@ args="--api 29 --stl=libc++"
 archs=(arm64)
 
 for arch in ${archs[@]}; do
+    bin=$ANDROID_NDK_ROOT/build/tools/make_standalone_toolchain.py
 
-    if [ ! -d "$build_root/tool/$arch" ]; then
+    out=$build_root/tool/$arch
+    echo "installing toolchain for ${arch} into $out"
+
+    if [ ! -d "$out" ]; then
         echo "installing $arch"
-        make_standalone_toolchain.py $args --arch $arch --install-dir $build_root/tool/$arch
+        $bin $args --arch $arch --install-dir $out
     fi
 
 done