Binance estimated the size of the hack at $6.3 billion; All deposits and withdrawals are suspended Binance, the world's largest cryptocurrency exchange, estimated the financial dimensions of the latest security breach at approximately 6 billion and 300 million dollars and announced a temporary suspension of all deposits and withdrawals. According to the company, preliminary investigations indicate that the hack may have started from a hacked laptop belonging to one of its engineers. Blockchain analysis firm "TRM" says North Korea was behind the theft of the Binance cryptocurrency exchange. Singapore - North Korean hackers have stolen $6.3 billion from cryptocurrency exchange Binance, according to US blockchain analytics firm TRM Labs.