The BitMEX cofounder created a cryptocurrency exchange that has traded trillions. Now he's wanted by U.S. authorities, and insiders wonder whether he and his partners are villains-or victims of a two-tiered justice system that favors big banks over brash outsiders.

Coinbase Will Suspend All Margin Trading Tomorrow, Citing CFTC Guidance Crypto exchange Coinbase plans to end all margin trading effective Nov. 25, 2020, due to recent regulations by the Commodity Futures Trading Commission (CFTC). The San Francisco-based trading platform announced Tuesday that it would prevent customers from placing new margin trades beginning at 2 p.m.