Web3 Hacks & DeFi Exploit Intelligence
- $104B+Lost
- 3836Incidents
- 124Chains
- 16Classes
| # | Project | Date | Amount Lost | Chain | Technique | Links |
|---|---|---|---|---|---|---|
| 91 | 0vix Flash Loan Attacks | $2.0M | polygon | Flashloan Donate Function Logic Exploit / Spot Price Manipulation | ||
| 92 | OceanLifeToken Flash Loan Attacks | $11K | — | Flash Loan Attack | ||
| 93 | Hundred Finance Flash Loan Attacks | $7.4M | optimism | Flashloan Donate Function Logic Exploit / Oracle Issue / Donation Attack | ||
| 94 | Yearn Finance Flash Loan Attacks | $11.5M | ethereum | Flashloan Misconfiguration Exploit / Flash Loan Attack / Oracle Misconfiguration | ||
| 95 | Sentiment Flash Loan Attacks | $1.0M | arbitrum | Flashloan Reentrancy Attack / Reentrancy | ||
| 96 | Allbridge Core Flash Loan Attacks | $650K | bsc | Flashloan Price Oracle Attack / Flash Loan Attack / Swap Logic Flaw | ||
| 97 | UNMS Flash Loan Attacks | $100K | — | Flash Loan Attack | ||
| 98 | ASKACR Token Flash Loan Attacks | $29K | — | Flash Loan Attack | ||
| 99 | Zircon Gamma Flash Loan Attacks | $350K | bsc, moonriver | Flashloan Pool Shares Exploit / Incorrect Share Accounting | ||
| 100 | Euler V1 Flash Loan Attacks | $197M | ethereum | Flashloan Donate Function Logic Exploit / Donation Attack | ||
| 101 | Euler Finance Flash Loan Attacks | $196M | — | Flash Loan Attack | ||
| 102 | Platypus Finance Flash Loan Attacks | $8.5M | avalanche | Flashloan Reentrancy Attack / Flash Loan Attack / Unknown | ||
| 103 | Dragonball Flash Loan Attacks | $16K | — | Flash Loan Attack | ||
| 104 | Midas Capital Flash Loan Attacks | $660K | polygon | Flashloan Reentrancy Attack / Flash Loan Attack / Reentrancy | ||
| 105 | Roe Finance Flash Loan Attacks | $80K | ethereum, polygon | Flashloan Pool Shares Exploit / Oracle Issue / Spot Price Manipulation | ||
| 106 | BRA Token Flash Loan Attacks | $225K | — | Flash Loan Attack | ||
| 107 | GDS Chain Flash Loan Attacks | $187K | — | Flash Loan Attack | ||
| 108 | Jaypeggerz Flash Loan Attacks | $18K | ethereum | Flash Loan Attack / Reentrancy | ||
| 109 | Nimbus DAO Flash Loan Attacks | $76K | bsc | Flash Loan Attack / Reward Logic Flaw | ||
| 110 | Lodestar Finance Flash Loan Attacks | $5.8M | — | Flash Loan Attack | ||
| 111 | Lodestar V0 Flash Loan Attacks | $6.9M | arbitrum | Flashloan Price Oracle Attack / Spot Price Manipulation | ||
| 112 | MooCakeCTX Flash Loan Attacks | $140K | bsc | Flash Loan Attack / Incorrect Share Accounting | ||
| 113 | ULME Token Flash Loan Attacks | $51K | — | Flash Loan Attack | ||
| 114 | QuickSwap Flash Loan Attacks | $220K | polygon | Flash Loan Attack / Spot Price Manipulation | ||
| 115 | PlantWorld Flash Loan Attacks | $24K | — | Flash Loan Attack | ||
| 116 | MTDAO Flash Loan Attacks | $280K | — | Flash Loan Attack | ||
| 117 | MetaverseToken Flash Loan Attacks | $487K | — | Flash Loan Attack | ||
| 118 | Earning Farm Flash Loan Attacks | $1.4M | ethereum | Flash Loan Attack / Withdrawal Logic Flaw | ||
| 119 | Sovryn Flash Loan Attacks | $1.1M | rsk | Flashloan Reentrancy Attack / Reentrancy | ||
| 120 | New Free DAO Flash Loan Attacks | $1.3M | bsc | Flash Loan Attack / Reward Logic Flaw |
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.