Open this photo in gallery: Changpeng Zhao, CEO of Binance, speaks at the Delta Summit, Malta's official Blockchain and Digital Innovation event promoting cryptocurrency, in St Julian's, Malta, on Oct. 4, 2018.DARRIN ZAMMIT LUPI/Reuters It’s like the endings in The Godfather series: Every movie concludes with a calm Michael Corleone at a social event interspliced with scenes of simultaneously scheduled assassinations of the enemies he had made throughout the film. This week, the U.S. Securities and Exchange Commission set out to do just that by suing the allegedly errant cryptocurrency exchanges Binance and Coinbase Global Inc. – the No. 1...