Leaderboard
144All-time rank
Sonne Finance
May 15, 2024
$20.0M
Lost
$20.0M
Recovered
$0
Net loss
$20.0M
Unrecovered0% recovered
On May 15, 2024, Sonne Finance on Optimism was exploited for $20M through a donation attack. Market setup was split into separate timelock transactions, allowing the attacker to control execution order and manipulate collateral factors in a newly-created market before protective guards were applied.
How the exploit worked
View reproducible PoCPrecision loss.
Lost: $20M
Source: DeFiHackLabs (SunWeb3Sec)
- Target
- DeFi
- Classification
- Token & Share Accounting
- Technique
- Donation Attack
- Attribution
- Unknown
- Chains
Optimism
Event timeline
- May 15, 2024Exploit executed — $20.0M drained via donation attack
- 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)