Incident All ledgers
Badger DAO: $120.0m
Badger DAO lost $120.0m on 2 December 2021. Ranked 37th of 1,272 crypto failures, with method, returned funds and comparable incidents.
- Date
- 2 December 2021
- Lost
- $120.0m
- Returned or repaid
- None recorded
- Target
- DeFi Protocol
- Category
- Frontend & Infrastructure
- Method
- CDN Compromise
- Chains
- Ethereum
On December 2, 2021, Badger DAO lost about $120M after an attacker used a compromised Cloudflare API key to plant malicious code in its frontend, tricking around 200 users into approving transfers that drained roughly 2,100 BTC and 151 ETH.
Against the ledger
- It ranks 37th of the 1,272 incidents with a known loss, and 7th in 2021.
- It accounts for 20.4% of the $588.3m in known losses in December 2021.
- 93 incidents in the ledger are classified as Frontend & Infrastructure, for $7.49bn in total. This one is 1.6% of that.
- The ledger records no returned funds.
Other incidents named Badger
| Date | Target | Lost | Type | Method | Returned |
|---|---|---|---|---|---|
| 25 Jan 2021 | Badger DAO | $103,842 | DeFi Protocol | Swap Logic Flaw | — |
Closest in size by the same method
| Date | Target | Lost | Type | Method | Returned |
|---|---|---|---|---|---|
| 23 Sept 2023 | Mixin Network | $200.0m | Other | Database Breach | — |
| 03 Jun 2023 | Atomic Wallet | $100.0m | Wallet | Supply Chain Attack | — |
| 09 Oct 2026 | Ledger (Supply Chain) | $93.0m | Wallet | Supply Chain Attack | — |
| 08 Dec 2017 | NiceHash | $64.0m | CEX | Key Leaked via Infrastructure | — |
| 09 Sept 2025 | SwissBorg | $41.5m | CEX | API Key Compromised | — |
All failures in 2021 · The failures ledger
Amounts are DefiLlama’s estimates and can change as incidents are revalued. Its returned figure can include money a company repaid itself, not only funds recovered from attackers. Source: DefiLlama.
Cite this Bitminer.io, “Badger DAO, failures ledger”, data to 2 November 2026, https://bitminer.io/ledger/incident/badger-dao-2021-12-02/. How this is built