THE U.S. commodities regulator announced it had filed civil charges against a South African man and his company for operating a fraudulent commodity pool worth over $1.7 billion in bitcoin. The Commodity Futures Trading Commission (CFTC) said the fraud scheme, which saw the firm solicit bitcoin online from thousands of people to purportedly operate a commodity pool, was the largest it had ever pursued involving the cryptocurrency. The CFTC filed charges against Mirror Trading International Proprietary Limited and its CEO, Cornelius Johannes Steynberg. Steynberg had been a fugitive from South African law enforcement but was recently detained in Brazil on…