> if you receive BTC from one of these addresses as payment for something, do you refuse it?
You cannot refuse a BTC transaction. You could return it in a subsequent transaction, and pay the transaction fee, but I would imagine your address would be forever tainted by a number of illicit address/transaction tracking algorithms.
You cannot refuse a BTC transaction. You could return it in a subsequent transaction, and pay the transaction fee, but I would imagine your address would be forever tainted by a number of illicit address/transaction tracking algorithms.