Security incident · 2022-04-17
Beanstalk
According to the public DefiLlama incident dataset, Beanstalk (Ethereum) suffered a security incident on 2022-04-17, with about $181.0M reported lost.
| Date | 2022-04-17 |
|---|---|
| Reported loss | $181.0M |
| Chain | Ethereum |
| Target type | DeFi Protocol |
| Technique class | Governance |
| Technique | Flashloan Governance Attack |
| Bridge incident | No |
| Within 2022 | #6 by loss that year, 5.0% of all reported losses that year |
How this kind of attack works
The attacker briefly gained enough voting power to pass a proposal that sent treasury funds to themselves.
Would a pre-payment check have helped
Governance attacks are countered by voting design and timelocks.
Other incidents with the same technique
- BonkDAO2026-07-06 · $20.0M
- TermFinance Vaults2026-08-23 · $8.5M
- TSD (True Seigniorage Dollar)2021-03-15 · $7.1M
- Audius2022-07-25 · $6.0M
- Astroport2026-09-22 · $4.9M
- Drop2026-09-22 · $4.4M