Security incidents
Hacks, exploits and protocol failures recorded by the desk, with the date, the reported amount where a source states one, and a link to the record.
Reported losses by year
Sums use only amounts a source stated. Incidents without a reported figure are excluded.
- 2026: 280 incidents, $20.53bn reported
- 2025: 122 incidents, $2.80bn reported
- 2024: 158 incidents, $1.67bn reported
- 2023: 161 incidents, $1.62bn reported
- 2022: 141 incidents, $3.63bn reported
- 2021: 119 incidents, $2.86bn reported
| Incident | Date | Reported amount | Status |
|---|---|---|---|
| DeFiPie: Reentrancy | 13 Jul 2021 | $125.0k | Reported |
| ChainSwap Bridge: Bridge Logic Flaw | 11 Jul 2021 | $4.40m | Reported |
| Multichain: Weak Key Generation | 10 Jul 2021 | $7.90m | Reported |
| Haven Protocol: Infinite Mint | 3 Jul 2021 | $8.19m | Reported |
| XDX Swap: Bridge Logic Flaw | 2 Jul 2021 | $176.0k | Reported |
| ChainSwap: Bridge Logic Flaw | 2 Jul 2021 | $800.0k | Reported |
| THORChain DEX: Bridge Logic Flaw | 29 Jun 2021 | $350.0k | Reported |
| Merlin: Arithmetic Error | 29 Jun 2021 | $330.0k | Reported |
| Safe Dollar: Reward Logic Flaw | 28 Jun 2021 | $248.0k | Reported |
| xWin Finance: Missing Input Validation | 25 Jun 2021 | $270.0k | Reported |
| SharedStake: Improper Access Control | 24 Jun 2021 | $500.0k | Reported |
| StableMagnet: Backdoor Contract | 23 Jun 2021 | $27.00m | Reported |
| Eleven Finance: Withdrawal Logic Flaw | 22 Jun 2021 | $4.50m | Reported |
| Impossible Finance: Spot Price Manipulation | 21 Jun 2021 | $500.0k | Reported |
| StakeHound / Fireblocks: Key Brute Forced | 21 Jun 2021 | $72.00m | Reported |
| Polydex: Reentrancy | 20 Jun 2021 | $500.0k | Reported |
| Visor Finance: Improper Access Control | 19 Jun 2021 | $504.8k | Reported |
| Alchemix V2: Borrow Logic Flaw | 16 Jun 2021 | $6.50m | Reported |
| EvoDefi: Reward Logic Flaw | 10 Jun 2021 | $1.00m | Reported |
| Fetch.ai: Private Key Compromised | 6 Jun 2021 | $2.60m | Reported |
| Belt Finance: Incorrect Share Accounting | 29 May 2021 | $6.30m | Reported |
| BurgerSwap: Reentrancy | 28 May 2021 | $7.20m | Reported |
| Merlin: Rounding Error | 26 May 2021 | $550.0k | Reported |
| AutoShark: Reward Logic Flaw | 24 May 2021 | $822.8k | Reported |
| Bogged Finance: Arithmetic Error | 23 May 2021 | $3.00m | Reported |
Download this dataset
The files contain the recorded rows, including incidents without a reported amount.