Leaderboard
1024All-time rank
U
USM
Aug 9, 2026
$136K
Lost
$136K
Recovered
$0
Net loss
$136K
Unrecovered0% recovered
On August 9, 2026, USM on Ethereum was exploited via an arithmetic error in its token accounting logic, resulting in a loss of approximately $136,000. Flagged by SlowMist; no dedicated post-mortem has been published.
How the exploit worked
View reproducible PoCdefund() price split-invariance rounding exploit.
Lost: ~70.83 ETH
Source: DeFiHackLabs (SunWeb3Sec)
- Target
- DeFi
- Classification
- Token & Share Accounting
- Technique
- Arithmetic Error
- Attribution
- Unknown
- Chains
Ethereum
Event timeline
- Aug 9, 2026Exploit executed — $136K drained via arithmetic error
- Attributed to Unknown
- Recovery status Unrecovered 0%
Data credits
- DefiLlamaIncident record, amounts, chains, recovery data and logo
- DeFiHackLabsExploit analysis and reproducible proof-of-concept (by SunWeb3Sec)