New York's Attorney General alleged the operator of the Bitfinex cryptocurrency trading platform and the issuer of the Tether "stablecoin" lost $850 ...
source https://www.google.com/url?rct=j&sa=t&url=https://www.zerohedge.com/news/2019-04-25/cryptos-tumble-after-ny-ag-accuses-bitfinex-massive-fraud-loss-850-million&ct=ga&cd=CAIyGmM2Nzk3ODA2ZWViNjVjODI6Y29tOmVuOlVT&usg=AFQjCNEzIRN6a9fai0KOQFByC2amAeqOrA