Crypto exchange BigONE loses $27M in third-party attack
Written by Ohris M. Greyoon, Blockchain & Crypto Expert
Source: Coinmarketcap
Updated: Jul 16 2025BigONE Exchange Attack: Crypto exchange BigONE experienced a third-party attack on its hot wallet, resulting in an estimated loss of $27 million. The exchange has confirmed that all private keys are secure and is working with blockchain security firm SlowMist to trace the stolen funds.
User Loss Coverage: BigONE has pledged to cover all losses from the breach using its internal security reserves and is actively seeking external liquidity to restore affected user funds. The incident highlights significant security gaps within the platform's infrastructure.
About the author
Ohris M. Greyoon
Ohris M. Greyoon holds a Master’s in Computer Science from MIT and has 10 years of experience in blockchain technology and cryptocurrency markets. A pioneer in decentralized finance (DeFi) analysis, he leads Intellectia’s Crypto News, offering cutting-edge insights into digital assets.
