000000000000000000000000000000000000000000000000000000003d94cd64
hash160: d39c4704664e1deb76c9331e637564c257d68a08
Target hash found!
Time: 0 h, 1 m, 28 s

import hashlib
import ecdsa
import random
import time
from multiprocessing import Process, Event

target_hash = "d39c4704664e1deb76c9331e637564c257d68a08"

def binary_to_hex(bin_string):
    return hex(int(bin_string, 2))[2:].zfill(len(bin_string) // 4)


def worker(num_zeros, num_ones, stop_event):


    while True:
        if stop_event.is_set():
            break

        bits = ['0'] * num_zeros + ['1'] * (num_ones - 4)
        random.shuffle(bits)

        bits.insert(0, '1')
        bits.insert(1, '1')
        bits.insert(2, '1')
        bits.insert(3, '1')
        private_key_bin = ''.join(bits)

        private_key_bin = '0' * (256 - 30) + private_key_bin

        private_key_hex = binary_to_hex(private_key_bin)

        sk = ecdsa.SigningKey.from_string(bytes.fromhex(private_key_hex), curve=ecdsa.SECP256k1)
        public_key = sk.get_verifying_key().to_string().hex()

        compressed_public_key = '02' + public_key[0:64] if int(public_key[-2:], 16) % 2 == 0 else '03' + public_key[0:64]
        compressed_public_key_bytes = bytes.fromhex(compressed_public_key)

        ripemd160_hash = hashlib.new('ripemd160')
        ripemd160_hash.update(hashlib.sha256(compressed_public_key_bytes).digest())
        hashed_compressed_public_key = ripemd160_hash.digest().hex()


        if hashed_compressed_public_key == target_hash:
            print(private_key_hex)
            print("hash160:", hashed_compressed_public_key)
            print("Target hash found!")

            stop_event.set()
            break



def main():
    num_processes = 12
    processes = []
    stop_event = Event()

    start_time = time.time()

    for _ in range(num_processes):
        process = Process(target=worker, args=(14, 16, stop_event))
        processes.append(process)

    for process in processes:
        process.start()

    for process in processes:
        process.join()

    if stop_event.is_set():
        for process in processes:
            process.terminate()

    end_time = time.time()
    execution_time_seconds = end_time - start_time

    hours = int(execution_time_seconds // 3600)
    minutes = int((execution_time_seconds % 3600) // 60)
    seconds = int(execution_time_seconds % 60)

    print(f"Time: {hours} h, {minutes} m, {seconds} s")



if __name__ == '__main__':
    main()