Policy, News The U.S. Treasury sanctioned BitBank, a Tehran exchange it says moved hundreds of millions of dollars in bitcoin to the Revolutionary Guards and handled payments collected from ships buying passage through the world’s most important oil chokepoint. The U.S. Treasury sanctioned BitBank, a Tehran exchange it says moved hundreds of millions of dollars in bitcoin to the Revolutionary Guards and handled payments collected from ships buying passage through the world’s most important oil chokepoint. CoinDesk: Bitcoin, Ethereum, Crypto News and Price Data Read More