Leaderboard
388All-time rank
Siren
Sep 3, 2021
$3.5M
Lost
$3.5M
Recovered
$0
Net loss
$3.5M
Unrecovered0% recovered
On September 3, 2021, the SIREN protocol on Polygon was exploited via reentrancy in withdrawCapital, allowing repeated withdrawals before balance updates. 5M across multiple AMM pools (KNC, SUSHI, USDC, WETH, WMATIC), affecting 26 LP addresses.
- Target
- DeFi
- Classification
- Reentrancy
- Technique
- Reentrancy
- Attribution
- Unknown
- Chains
Polygon
Event timeline
- Sep 3, 2021Exploit executed — $3.5M drained via reentrancy
- Attributed to Unknown
- Recovery status Unrecovered 0%