New York resident Ilya Lichtenstein admitted to being a hacker behind the 2016 attack on Bitfinex during a hearing in U.S. District Court in Washington, D.C., and pleaded guilty to money laundering conspiracy charges. U.S. authorities arrested Ilya Lichtenstein and his wife, Heather Morgan, last February and charged the couple with allegedly laundering billions of dollars from Bitfinex. The U.S. Department of Justice said at the time that it had seized 94,000 of the 119,000 stolen bitcoins, w...