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Topic
Board Bitcoin Discussion
Re: Bitcoin puzzle transaction ~32 BTC prize to who solves it
by
Niekko
on 03/04/2025, 21:03:08 UTC
I DO IT FOR FUN!!!111

Code:
#!/usr/bin/env python3

from multiprocessing import Pool
import datetime
import ecdsa
import hashlib
import os
import random
import sys
import time
import secp256k1 as ice

def log(t):
d = datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S")
print(f'{d} {t}', flush=True, end='')
l=open('log.txt','a')
l.write(f'{d} {str(t)}')
l.flush()
l.close()

def go(pvk):
h=ice.privatekey_to_h160(0, True, pvk) # type = 0 [p2pkh],  1 [p2sh],  2 [bech32] ; compressed?
if h==target_hash:
print()
log(f'Found pvk: {hex(pvk)[2:]}  |  WIF: {ice.btc_pvk_to_wif(pvk, False)}\a\n')
print('\a', end='', file=sys.stderr)

range_start = 0x80000000000000000
range_end   = 0xfffffffffffffffff
r           = 262144
target_hash = bytes.fromhex('e0b8a2baee1b77fc703455f39d51477451fc8cfc')
th = 24
cnt=10000
# seed=0

def main():
try:
os.system('cls||clear')
print("Puzzle 68 random scanner")
print("Scanning random addresses in an infinite loop. Press Ctrl+C to stop.\n")

keys_checked = 0
start_time = time.time()
# random.seed(seed)

while True:
rnd = random.randint(range_start, range_end+1)

rng = range(rnd, rnd+r)

with Pool(processes=th) as p:
for result in p.imap(go, rng):
keys_checked += 1
if keys_checked % cnt == 0:
elapsed = time.time() - start_time
rate = keys_checked / elapsed
print(f"\rKeys checked: {keys_checked:,} | Rate: {rate:.2f} keys/sec | Range: {hex(rnd)[2:]}-{hex(rnd+r)[2:]}", end="", flush=True)

except KeyboardInterrupt:
print("\n\nScanning stopped by user.")
print(f"Total keys checked: {keys_checked:,}")

if __name__ == "__main__":
main()

~43200 keys/sec @ 24 threads with 9950X


Code:
#!/usr/bin/env python3

import datetime
import os
import random
import sys
import time
from multiprocessing import Pool
import secp256k1 as ice

# Configurazioni
RANGE_START = 0x80000000000000000
RANGE_END   = 0xfffffffffffffffff
RANGE_SIZE  = 262144
TARGET_HASH = bytes.fromhex('e0b8a2baee1b77fc703455f39d51477451fc8cfc')
NUM_PROCESSES = 24
PROGRESS_COUNT = 10000
CHUNK_SIZE = 1024

def log(message):
    timestamp = datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S")
    formatted = f"{timestamp} {message}"
    print(formatted, flush=True, end='')
    with open('log.txt', 'a') as logfile:
        logfile.write(formatted)
        logfile.flush()

def check_key(pvk):
    h = ice.privatekey_to_h160(0, True, pvk)
    if h == TARGET_HASH:
        message = f"Found pvk: {hex(pvk)[2:]}  |  WIF: {ice.btc_pvk_to_wif(pvk, False)}\a\n"
        print()
        log(message)
        print('\a', end='', file=sys.stderr)
    return 1

def main():
    os.system('cls||clear')
    print("Puzzle 68 random scanner")
    print("Scanning random addresses in an infinite loop. Press Ctrl+C to stop.\n")

    keys_checked = 0
    start_time = time.time()

    try:
        with Pool(processes=NUM_PROCESSES) as pool:
            while True:
                start_range = random.randint(RANGE_START, RANGE_END - RANGE_SIZE)
                end_range = start_range + RANGE_SIZE
                current_range_str = f"{hex(start_range)[2:]}-{hex(end_range)[2:]}"
               
                for _ in pool.imap_unordered(check_key, range(start_range, end_range), chunksize=CHUNK_SIZE):
                    keys_checked += 1
                    if keys_checked % PROGRESS_COUNT == 0:
                        elapsed = time.time() - start_time
                        rate = keys_checked / elapsed if elapsed > 0 else 0
                        print(f"\rKeys checked: {keys_checked:,} | Rate: {rate:.2f} keys/sec | Range: {current_range_str}", end="", flush=True)
    except KeyboardInterrupt:
        print("\n\nScanning stopped by user.")
        print(f"Total keys checked: {keys_checked:,}")

if __name__ == "__main__":
    main()

a little better, just for fun ;-)