6 ms·

What do you mean? All transactions are verified by miners, so all transactions are equally "dirty".

• peteretep 6y ago
  It’s much much cheaper to verify than it is to mine. That’s kind of the whole point.
  • jakelazaroff 6y ago
    Verifying Bitcoin transactions is mining.
    • peteretep 6y ago
      Mining is guessing a number that will give a given hash output. The verification part is simple, and only needs to be done once, the guessing and retesting bit is the intensive bit