'I am unbelievably sorry for my role in all of this,' says Nishad Singh
                                
                                
                                    (Newser) -
                                    FTX co-founder Nishad Singh pleaded guilty to six fraud and money laundering charges Tuesday, becoming the third exec from the collapsed cryptocurrency to agree to cooperate with prosecutors. The 27-year-old admitted that he knew founder and former CEO Sam Bankman-Fried was cheating customers by sending their funds, without their knowledge,...