Maybe Congress should separate custody from exchange, the way it severed Wall Street from commercial banking nearly a century ago. This piece is part of CoinDesk’s Policy Week. Epistemic status: I don’t even know what I’m doing here. Then again, neither does Elizabeth Warren. New cryptocurrency laws are likely coming in the U.S. whether the industry likes it or not. A salubrious outcome would be legislation that helps protect consumers without undermining, and maybe furthering, crypto’s promi...