Following the revelation Friday from cryptocurrency exchange firm Bybit that hackers stole digital tokens worth about $1.5 billion – in what may be the biggest crypto heist of all time – CEO Ben Zhou wrote on X Sunday that it has replenished its reserves. Bybit was able to do this through a mix of emergency loans and large deposits.

After exchange operator loses ether from a cold wallet in a North Korea-linked attack, bitcoin and ether fall as industry enthusiasm wanes.

Bitcoin, BTC= the world's largest cryptocurrency by market value, broke below $90,000 to its lowest since November 18, falling by as much as 7.5% at one point. It was last down 5% on the day at $89,314.

Researchers spot the stolen funds moving through cryptocurrency wallets that were used in earlier heists attributed to North Korea's Lazarus hacking group.

Lazarus Group, hackers based in North Korea, tricked Bybit CEO Ben Zhou into approving a transfer of 400,000 ethereum tokens from his company's cold wallet.

Bybit has officially filled the $1.4 billion hole left by one of the biggest crypto hacks in history. CEO Ben Zhou announced that the exchange

Over the weekend, blockchain security companies and experts have linked North Korea's Lazarus hacking group to the theft of over $1.5 billion from cryptocurrency exchange Bybit.

By Alun John, Amanda Cooper, Hannah Lang LONDON (Reuters) -Bitcoin dropped below $90,000 to its lowest since November 18 on Tuesday, as market nerves over U.S. tariffs reinforced the blow to crypto investor confidence from last week's $1.