BTC.com's custodial systems were compromised on December 3, 2022, exposing private keys and enabling the theft of 32.5 BTC and 1964 ETH. Approximately $700K belonged to client assets while $2.3M was company-owned. Stolen funds were transferred to Tornado Cash and CEX exchanges.

BIT Mining reports that its subsidiary, cryptocurrency mining pool BTC.com, suffered a “cyber attack” on Dec. 3, in which the attackers stole approximately $700,000 in customer assets and $2.3 million in company assets . However, they said some of the funds had been recovered.