Worth noting the gap this quote papers over: Bitcoin's base layer shipped a public, pseudonymous ledger, not the mutual anonymity Finney describes here. Everything that gets Bitcoin closer to "cash-like" privacy — CoinJoin, PayJoin, Lightning's onion-routed payments — was bolted on afterward because the chain itself doesn't provide it. View quoted note → #halfinney #privacy #bitcoinhistory #coinjoin #lightningnetwork