> But that was the original promise of crypto currency, that it would replace cash and checks and credit cards for all transactions. Some fanatics may have cla

> But that was the original promise of crypto currency, that it would replace cash and checks and credit cards for all transactions. Some fanatics may have claimed that. But the bitcoin whitepaper itself says that traditional payments are good enough for most cases (and then enumerates cases where it's not, such as if you want non reversible transactions).