mw.py

#!/usr/bin/env python3

# pip3 install python-bitcoinlib

import bitcoin.rpc
import re

node = bitcoin.rpc.Proxy()
        
for height in range(480000, node.getblockcount()):
    block_hash = node.getblockhash(height)
    block = node.getblock(block_hash)
    coinbase = block.vtx[0]
    txin = coinbase.vin[0]
    sig = txin.scriptSig
    b = re.sub(rb'[^\x20-\x7e]',rb'', sig)
    s = b.decode()
    if 'Minerworld' in s:
        print('Bloco minerado pela Minerworld:', height)