Binance may have been hacked. The popular crypto exchange announced a “potential security issue” on Thursday, freezing withdrawals after an apparent hacker drained hot wallets of more than $5.7 billion in cryptocurrency.

The official Binance X account first acknowledged the issue at 5:15 p.m. ET / 2:15 p.m. PT. This came within minutes of reports that digital finance companies Tether and Circle Group had frozen significant amounts of their respective stablecoins in response to a potential hack — specifically about $971 million in Tether and $823 million in USD Coin.

Binance has since stated that a total of $2.54 billion has been frozen, though this number may potentially grow…