The US Attorney's Office in Massachusetts has announced charges against four cryptocurrency companies (Gotbit, ZM Quant, CLS Global and MyTrade) and 14 people for large-scale fraud and manipulation in the cryptocurrency market, involving multiple international arrests. The operation is being billed as the first criminal indictment against a financial services company, and the four defendants have agreed to plead guilty to seizing more than $25 million in cryptocurrency during the arrests. The FB...