When people break bread together, they share more than food; they share trust. Every leap in money has tried, in its own way, to bottle that warmth and send it farther: metal coins replaced barter, paper IOUs replaced caravans of silver, bank wires replaced steam-ship couriers, and at the start of the last decade Bitcoin arrived as a trustless ledger moving value at internet speed. Today the next step wears an unlikely apron: cbBTC, Coinbase’s one-for-one wrapped Bitcoin and the centerpiece o...