Leaderboard
113All-time rank
BigONE
Jul 16, 2025
$27.0M
Lost
$27.0M
Recovered
$0
Net loss
$27.0M
Unrecovered0% recovered
On July 16, 2025, BigONE crypto exchange suffered a supply chain attack where an attacker gained access to production infrastructure and modified critical backend logic to automatically approve fraudulent withdrawal requests. The attack drained approximately $27 million across five blockchains before being detected.
- Target
- CEX
- Classification
- Frontend & Infrastructure
- Technique
- Supply Chain Attack
- Attribution
- Unknown
- Chains
BitcoinBSCEthereumSolanaTRON
Event timeline
- Jul 16, 2025Exploit executed — $27.0M drained via supply chain attack
- Attributed to Unknown
- Recovery status Unrecovered 0%