Bitcoin Tumbles After Officials Allege $850 Million Fraud

The cryptocurrency markets buckled on Thursday evening after New York’s attorney general accused the owners of a prominent exchange, Bitfinex, of using illicit transactions to mask $850 million in missing funds. According to a 23-page legal filing, Bitfinex raided the reserves of a so-called stablecoin called Tether–a digital currency purportedly backed one-to-one by U.S. dollars–in […]