An intelligence firm says North Korea is behind the attack on Binance, the world's largest crypto exchange. Binance estimates that $6.3 billion of funds were affected. He said he would cover all losses and that "user funds are safe".

An intelligence firm says North Korea is behind the attack on Binance, the world's largest crypto exchange. Binance estimates that $6.3 billion of funds were affected. He said he would cover all losses and that "user funds are safe".