BigONE Exchange Suffers Supply Chain Attack, Losses Exceed $27M
2025-07-16 07:20:25

Main Idea
BigONE Exchange suffered a supply chain attack resulting in losses exceeding $27 million, but user assets remain safe as the exchange has pledged to cover all losses.
Key Points
1. BigONE Exchange was exploited via a supply chain attack, with attackers manipulating server logic to withdraw funds totaling over $27 million.
2. Blockchain security firm SlowMist reported the compromise of BigONE’s production network, which allowed the attacker to siphon funds.
3. The attacker converted stolen funds into various cryptocurrencies, including ETH, BTC, TRX, and SOL, distributing them across multiple addresses.
4. BigONE assured users that their assets are safe and stated they would fully cover the losses, with plans to resume trading and deposits after security upgrades.
5. The exchange is collaborating with SlowMist to trace the hacker and recover the stolen funds.
Description
Crypto exchange BigONE has suffered a third-party attack on Wednesday, confirming estimated losses of $27 million. Attackers allegedly tweaked BigONE’s server logic via supply chain to withdraw funds. Blockchain security platform SlowMist initially reported that BigONE’s production network was compromised. “The operating logic of account and risk control related servers was modified, enabling the attacker to withdraw funds,” the security firm wrote on X. SlowMist TI Alert The exchange @BigONEexc...
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