SlowMist: Exchange Platform BigONE Suffers Attack, Loses Over $27 Million

On July 16th, SlowMist announced on social media that the trading platform BigONE experienced a supply chain attack, with a stolen amount exceeding $27 million. The production network was compromised, and the attacker modified the operation logic of servers related to accounts and risk control to enable fund withdrawals. Importantly, the private key was not leaked.