Crypto exchange Bybit said it was hacked, resulting in what analysts estimate was the loss of almost $1.5 billion worth of tokens in the biggest theft ever committed in the industry. Researchers believe North Korean hackers were likely responsible.

Hackers stole about $1.5bn in crypto tokens from Bybit, in a heist the digital asset exchange described as the biggest theft to hit the industry. Ethereum coins were been taken from Bybit’s offline or “cold” wallet,