Answer: B) Its blockchain history can expose its origin

Even if hackers successfully steal millions, turning it into spendable cash is surprisingly difficult. That’s because transactions on public blockchains leave a permanent record. Specialist firms can trace stolen funds as they move between wallets, and exchanges may refuse deposits linked to known criminal activity. This creates a phenomenon known as tainted coins, where cryptocurrency associated with theft can be harder to exchange for cash, despite being technically identical to other coins.