Web3 Hacks & DeFi Exploit Intelligence
- $104B+Lost
- 3836Incidents
- 124Chains
- 16Classes
| # | Project | Date | Amount Lost | Chain | Technique | Links |
|---|---|---|---|---|---|---|
| 181 | BT Finance Oracle Manipulation & Price Manipulation | $1.5M | ethereum | Spot Price Manipulation | ||
| 182 | Growth DeFi Flash Loan Attacks | $1.4M | ethereum | Flashloan Price Oracle Attack / Rugpull / Missing Input Validation | ||
| 183 | Yearn Finance Flash Loan Attacks | $11.0M | ethereum | Flashloan Price Oracle Attack / Flash Loan Attack / Spot Price Manipulation | ||
| 184 | Warp Protocol Flash Loan Attacks | $7.8M | ethereum | Flashloan Price Oracle Attack / Spot Price Manipulation | ||
| 185 | Compound Labs Oracle Manipulation & Price Manipulation | $89.0M | ethereum | Oracle Issue | ||
| 186 | CheeseBank Flash Loan Attacks | $3.3M | ethereum | Flashloan Price Oracle Attack / Spot Price Manipulation | ||
| 187 | ValueDefi Flash Loan Attacks | $7.4M | ethereum | Flashloan Price Oracle Attack / Flash Loan Attack / Spot Price Manipulation | ||
| 188 | Harvest Finance Flash Loan Attacks | $33.8M | ethereum | Flashloan Price Oracle Attack / Flash Loan Attack / Spot Price Manipulation | ||
| 189 | Eminence Flash Loan Attacks | $15.1M | ethereum | Flashloan Price Oracle Attack / Flash Loan Attack / Spot Price Manipulation | ||
| 190 | MakerDAO Oracle Manipulation & Price Manipulation | $8.3M | ethereum | Stale Oracle Price | ||
| 191 | Ooki Flash Loan Attacks | $650K | ethereum | Flashloan Price Oracle Attack / Spot Price Manipulation | ||
| 192 | Ooki Flash Loan Attacks | $350K | ethereum | Flashloan Slippage Attack / Spot Price Manipulation | ||
| 193 | Synthetix Oracle Manipulation & Price Manipulation | — | ethereum | Oracle Misconfiguration |
Data sourced from DefiLlama & SunWeb3Sec/DeFiHackLabs . Thank you for keeping Web3 security data open.
Hack Radar
Fresh DeFi incidents the moment they land in our database. Verified by trusted sources; auto-ingested entries are flagged for review.
Explore by Attack Type
Access Control Attacks
Arithmetic Overflow & Underflow Attacks
Delegatecall & Call Injection Attacks
Flash Loan Attacks
Oracle Manipulation & Price Manipulation
Reentrancy
DAO Governance Attacks
Frontrunning & Sandwich Attacks
Phishing Attacks
DOS Attacks
Replay Attacks
Self-Destruct Attacks
Sensitive On-Chain Data
Weak Randomness Attacks
Unchecked Return Value Attacks
Timestamp Manipulation Attacks
Understanding Smart Contract Vulnerabilities
Smart contract vulnerabilities remain the leading cause of DeFi protocol losses, with over $10 billion stolen since 2016. Understanding attack vectors like reentrancy, flash loans, and oracle manipulation is essential for every blockchain developer and security researcher.
Each incident in our database is categorized by attack class and linked to our in-depth vulnerability guides, making this the most educational Web3 hacks tracker available. Want a quick ranking? See the most expensive crypto hacks leaderboard.
Learn how these hacks actually worked
Study the exploit patterns behind the incidents in this database, then practice finding them before attackers do.