The second amended grievance, filed within the Southern District of New York (SDNY) on Monday, accuses Tether and its sister crypto change Bitfinex of working a “refined scheme to artificially inflate the value of cryptocurrencies” by pushing Tether’s dollar-backed stablecoin, USDT, into the cryptomarket with out it being totally backed by U.S. {dollars}, due to this fact “creating the phantasm of elevated demand” for cryptocurrencies, “facilitating buying and selling of [cryptocurrencies] on credit score and loaned funds” and in the end driving up crypto costs.