Alexander Vinnik, one of the operators behind the former BTC-e crypto exchange, pleaded guilty to a charge of conspiring to commit money laundering on Friday, the U.S. Department of Justice announced.Vinnik was an operator of BTC-e between 2011 and 2017, the DOJ said, and the exchange processed more than 1 million users transacting over $9 billion in crypto during that time.BTC-e was linked to the hack of now-defunct crypto exchange Mt. Gox after it was used to launder some 300,000 (BTC) from Mt...