Researchers say the TraderTraitor group, a partner of Pyongyang, was behind the attack that drained US$ 6,3 billion from the world’s largest crypto exchange. Binance says it covered 95% of the losses. North Korea was behind the hacker attack that led to the largest cryptocurrency theft in history, the FBI said this Sunday (1/11), two days after the crime was disclosed. On Friday, about 6.3 billion dollars were stolen from Binance, the world’s largest cryptocurrency exchange. The incident caused the market value of major virtual currencies to fall.