In a filing with the New York State Supreme Court’s Appellate Division, New York Attorney General Letitia James roundly criticized the efforts of Bitfinex and Tether to halt her office’s investigation into the companies. Bitfinex and Tether are under investigation for an accounting coverup in which Bitfinex is alleged to have improperly transferred $625 million that had been backing the Tether stablecoin in order to conceal Bitfinex’s liquidity shortfall. In the filing from Dec. 4 but made public on Dec. 12, Attorney General James wrote that Bitfinex and Tether are…