"I'm part of the crypto skeptic community, I guess you'd say," said economist Paul Krugman, opening a 30 minute-long conversation with Binance CEO Changpeng “CZ” Zhao produced for a new MasterClass course. “Our rap has always been that we can't see what problem crypto is solving, what it really is doing that we aren't already doing, or how it can—to the extent there is a problem—solve it better than other more conventional methods," he said. (Decrypt)