diff --git a/.gitignore b/.gitignore
index b96fa5c..a8c5689 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,5 @@
-build/
 .vscode/
-*.o
\ No newline at end of file
+*.o
+*.sh
+main
+yggm
\ No newline at end of file
diff --git a/README.md b/README.md
index 7fb1a9a..d75b09d 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,7 @@ cmake -B build && cmake --build build -j$(nproc)
 build/yggm -t 10
 ```
 # ToDo
-- [x] Cuda support (slow)
+- [x] Cuda support (not optimized)
 - [x] Support for avx2
 - [ ] Support for sse4
 #
\ No newline at end of file
diff --git a/build/Makefile b/build/Makefile
new file mode 100644
index 0000000..44f2703
--- /dev/null
+++ b/build/Makefile
@@ -0,0 +1,18 @@
+NVCC := nvcc
+NVCC_FLAGS := -O3 -use_fast_math -Xptxas -O3 -gencode arch=compute_75,code=sm_75 \
+              --default-stream per-thread -Wno-deprecated-gpu-targets --expt-relaxed-constexpr -I../libs/
+MAIN_SOURCE := ../sources/main.cu
+LIBS_DIR := ../libs/
+BUILD_DIR := ../build/
+LIBS_SOURCES := $(wildcard $(LIBS_DIR)*.cu)
+LIBS_OBJECTS := $(patsubst $(LIBS_DIR)%.cu,$(BUILD_DIR)/%.o,$(LIBS_SOURCES))
+TARGET := main
+all: $(TARGET)
+$(BUILD_DIR):
+	mkdir -p $(BUILD_DIR)
+$(TARGET): $(MAIN_SOURCE) $(LIBS_OBJECTS)
+	$(NVCC) $(NVCC_FLAGS) -o $(TARGET) $(MAIN_SOURCE) $(LIBS_OBJECTS)
+$(BUILD_DIR)/%.o: $(LIBS_DIR)%.cu | $(BUILD_DIR)
+	$(NVCC) $(NVCC_FLAGS) -c $< -o $@
+#clean:
+#	rm -f $(BUILD_DIR)/*.o
\ No newline at end of file
diff --git a/sources/main.cu b/sources/main.cu
index 781068c..889f0b0 100644
--- a/sources/main.cu
+++ b/sources/main.cu
@@ -4,10 +4,10 @@
 #include <cstdint>
 #include <cuda_runtime.h>
 #include <curand_kernel.h>
-#include "../libs/sha512.cuh"
+#include <sha512.cuh>
 #include <arpa/inet.h>
-#include "../libs/ed25519.cuh"
-#include "../libs/edsign.cuh"
+#include <ed25519.cuh>
+#include <edsign.cuh>
 __device__ __constant__ char hexDigitsConst[17] = "0123456789abcdef";
 using Address = unsigned char[16];
 using Key = unsigned char[32];