diff --git a/CMakeLists.txt b/CMakeLists.txt
index a876525..b91d4c6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -4,7 +4,7 @@ find_package(OpenSSL REQUIRED)
 file(GLOB ${PROJECT_NAME}SOURCES *.cpp)
 file(GLOB ${PROJECT_NAME}HEADERS *.h)
 add_executable(${PROJECT_NAME} sources/main.cpp)
-set(CMAKE_CXX_FLAGS_RELEASE "-march=native -O3 -ffast-math -ftree-vectorize -fdelete-null-pointer-checks -fno-exceptions -fno-rtti -finline-functions -pthread -fomit-frame-pointer -pipe -Wall -Wextra -flto=full")
+set(CMAKE_CXX_FLAGS_RELEASE "-march=native -O3 -ffast-math -mavx2 -m64 -ftree-vectorize -ftree-slp-vectorize -fdelete-null-pointer-checks -fno-exceptions -fno-rtti -finline-functions -pthread -fomit-frame-pointer -pipe -Wall -Wextra -flto=full")
 target_link_libraries(${PROJECT_NAME} pthread)
 target_link_libraries(${PROJECT_NAME} sodium)
 target_link_libraries(${PROJECT_NAME} OpenSSL::SSL OpenSSL::Crypto)
\ No newline at end of file
diff --git a/sources/main.cpp b/sources/main.cpp
index c78bde9..402579b 100644
--- a/sources/main.cpp
+++ b/sources/main.cpp
@@ -12,14 +12,6 @@
 #include <atomic>
 #include <arpa/inet.h>
 #include <immintrin.h>
-//using Key = std::array<unsigned char, 32>;
-//using Address = std::array<unsigned char, 16>;
-using Address = unsigned char[16];
-using Key = unsigned char[32];
-struct KeysBox {
-    Key PublicKey;
-    Key PrivateKey;
-};
 struct option {
     unsigned int proc = 0;
     bool log = true;
@@ -49,7 +41,6 @@ int parameters(option& conf, std::string arg) {
     else if (arg == "--altitude" || arg == "-a") return 777;
     return 0;
 }
-
 void displayConfig() {
     unsigned short processor_count = std::thread::hardware_concurrency();
     if (conf.proc == 0 || conf.proc > static_cast<unsigned int>(processor_count)) {
@@ -57,11 +48,12 @@ void displayConfig() {
     }
     std::cout << " Threads: " << conf.proc << ", " << "high addresses (2" << std::setw(2) << std::setfill('0') << std::hex << conf.high << "+)" << std::dec << std::endl;
 }
-KeysBox getKeyPair() noexcept {
-    KeysBox keys;
-    crypto_sign_ed25519_keypair(keys.PublicKey, keys.PrivateKey);
-    return keys;
-}
+using Address = unsigned char[16];
+using Key = unsigned char[32];
+struct KeysBox {
+    Key PublicKey;
+    Key PrivateKey;
+};
 std::string getAddress(const Address& rawAddr) {
     char ipStrBuf[46];
     inet_ntop(AF_INET6, rawAddr, ipStrBuf, 46);
@@ -71,48 +63,50 @@ inline std::string keyToString(const unsigned char* key) {
     std::string result;
     result.resize(64);
     const char* hexDigits = "0123456789abcdef";
-    for (int i = 0; i < 32; ++i) {
+    for (unsigned char i = 0; i < 32; i++) {
         result[2 * i] = hexDigits[key[i] >> 4];
         result[2 * i + 1] = hexDigits[key[i] & 0x0F];
     }
     return result;
 }
-inline void bitwiseInverse(const unsigned char* key, Key inverted) noexcept {
-    for (size_t i = 0; i < 32; i++) {
-        inverted[i] = ~key[i];
-    }
+inline void bitwiseInverse(const unsigned char* key, Key& inverted) noexcept {
+    __m256i chunk = _mm256_loadu_si256(reinterpret_cast<const __m256i*>(key));
+    chunk = _mm256_xor_si256(chunk, _mm256_set1_epi8(0xFF));
+    _mm256_storeu_si256(reinterpret_cast<__m256i*>(inverted), chunk);
 }
-int getOnes(const Key value) noexcept {
+inline unsigned char getOnes(const Key& value) noexcept {
     int leadOnes = 0;
-    for (unsigned char i = 0; i < 5; i++) {
+    for (unsigned char i = 0; i < 17; i++) {
+        if (value[0] != 0xFF) return leadOnes;
         if (value[i] == 0xFF) {
             leadOnes += 8;
         } else {
-            for (int j = 7; j >= 0; j--) {
-                if (value[i] & (1 << j)) {
-                    leadOnes++;
-                } else {
+            for (unsigned char j = 7; j < 8; j--) {
+                if (!(value[i] & (1 << j))) {
                     return leadOnes;
                 }
+                leadOnes++;
             }
         }
     }
     return leadOnes;
 }
-void miner_thread() {
+void miner_thread() noexcept {
     Key inv;
+    KeysBox keys;
+    unsigned char ones;
     while (true) {
-        KeysBox keys = getKeyPair();
+        crypto_sign_ed25519_keypair(keys.PublicKey, keys.PrivateKey);
         bitwiseInverse(keys.PublicKey, inv);
-        int ones = getOnes(inv);
+        ones = getOnes(inv);
         if (ones > conf.high) {
             printf("\nAddr:\t2%x/%d\nPK:\t%s\nSK:\t%s\n", conf.high = ones, ones, keyToString(keys.PublicKey).c_str(), keyToString(keys.PrivateKey).c_str());
         }
     }
 }
-void startThreads() {
+void startThreads() noexcept {
     std::vector<std::thread> threads;
-    for (unsigned int i = 0; i < conf.proc; i++) {
+    for (unsigned char i = 0; i < conf.proc; i++) {
         threads.emplace_back(miner_thread);
     }
     for (auto& thread : threads) {