Blockchain intelligence firm attributes attack to North Korean state-sponsored hackers.

Cryptocurrency exchange Binance has said that about $6.3bn in funds have been stolen in a “security incident” that looks to be the biggest crypto heist in history.

The world’s largest crypto exchange said on Thursday that it had suspended all deposits and withdrawals and that about $3bn in funds had been frozen following the apparent hacking.

Binance said an initial investigation suggested that a hacker had been able to make unauthorised transactions after gaining access to an engineer’s compromised laptop.

The company said it would cover all losses, adding that user…