Web3 Hacks & DeFi Exploit Intelligence
- $104B+Lost
- 3836Incidents
- 124Chains
- 16Classes
| # | Project | Date | Amount Lost | Chain | Technique | Links |
|---|---|---|---|---|---|---|
| 1 | LULA Token Flash Loan Attacks | $578K | — | Flash Loan Attack | ||
| 2 | TermFinance Vaults Flash Loan Attacks | $8.5M | ethereum | Malicious Proposal | ||
| 3 | Fox Flash Loan Attacks | $678K | — | Flash Loan Attack | ||
| 4 | Projekt (GREEN/GOLD) Flash Loan Attacks | $560K | — | Flash Loan Attack | ||
| 5 | Allbridge Flash Loan Attacks | $1.6M | solana | Flash Loan Attack / Withdrawal Logic Flaw | ||
| 6 | Summer.fi Flash Loan Attacks | $6.0M | — | Flash Loan Attack | ||
| 7 | Thetanuts Finance Flash Loan Attacks | $2.1M | ethereum | Flash Loan Attack / Rounding Error | ||
| 8 | BYToken Flash Loan Attacks | $87K | — | Flash Loan Attack | ||
| 9 | WUSD.fi Flash Loan Attacks | $207K | ethereum | Flash Loan Attack / Reward Logic Flaw | ||
| 10 | Cyrus Finance Flash Loan Attacks | $5.0M | bsc | Flashloan Pool Shares Exploit / Spot Price Manipulation | ||
| 11 | dTRINITY Flash Loan Attacks | $257K | ethereum | Flash Loan Attack / Deposit Inflation Attack / First Depositor Attack | ||
| 12 | Wise Lending V2 Access Control Attacks | $66K | arbitrum, ethereum | Flashloan Exploit / Improper Access Control | ||
| 13 | LAXO Token Flash Loan Attacks | $191K | — | Flash Loan Attack | ||
| 14 | SOF Token Flash Loan Attacks | $249K | — | Flash Loan Attack | ||
| 15 | XPlayer Flash Loan Attacks | $717K | — | Flash Loan Attack | ||
| 16 | PGNLZ token Flash Loan Attacks | $100K | — | Flash Loan Attack | ||
| 17 | Makina Flash Loan Attacks | $5.0M | ethereum | Flashloan Price Oracle Attack / Flash Loan Attack / Spot Price Manipulation | ||
| 18 | FutureSwap Flash Loan Attacks | $270K | ethereum | Flashloan Governance Attack | ||
| 19 | Yearn Finance Flash Loan Attacks | $300K | ethereum | misconfigured Fulcrum sUSD strategy / Flash Loan Attack / Donation Attack | ||
| 20 | Astera.fi Flash Loan Attacks | $822K | linea | Oracle Price Feed Manipulation / Flash Loan Attack / Incorrect Share Accounting | ||
| 21 | New Gold Protocol Flash Loan Attacks | $2.0M | bsc | Flash Loan Attack / Spot Price Manipulation | ||
| 22 | Shibarium Flash Loan Attacks | $4.1M | shibarium | Validator Stake Manipulation by Flashloan / Validator Key Compromised | ||
| 23 | Impermax V3 Flash Loan Attacks | $300K | base | Flashloan Exploit / Incorrect Fee Accounting | ||
| 24 | NumaMoney Flash Loan Attacks | $506K | — | Flash Loan Attack | ||
| 25 | Sirio Finance Flash Loan Attacks | $2.0M | hedera | Flashloan Exploit / Spot Price Manipulation | ||
| 26 | MoonHacker Access Control Attacks | $300K | optimism | Unchecked FlashLoan Approve Exploit / Token Approval Abuse | ||
| 27 | MoonHacker Flash Loan Attacks | $320K | — | Flash Loan Attack | ||
| 28 | DCT Token Flash Loan Attacks | $428K | — | Flash Loan Attack | ||
| 29 | BTB Token Flash Loan Attacks | $5K | — | Flash Loan Attack | ||
| 30 | Polter Finance Flash Loan Attacks | $12.0M | fantom | Flashloan Price Oracle Attack / Oracle Issue / Spot Price Manipulation |
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.