Cash transactions can be strictly peer-to-peer. Any electronic interchange requires an intermediary (be it centralized or decentralized). If you believe entire

Cash transactions can be strictly peer-to-peer. Any electronic interchange requires an intermediary (be it centralized or decentralized). If you believe entirely in the wholesomeness of the intermediary, it's great. But becoming dependent upon the intermediary makes you beholden to it. Tax authorities found myriad ways to catch and prosecute tax-evaders in past, where cash transactions were the rule.