Web3 Hacks & DeFi Exploit Intelligence
- $104B+Lost
- 3844Incidents
- 126Chains
- 16Classes
| # | Project | Date | Amount Lost | Chain | Technique | Links |
|---|---|---|---|---|---|---|
| 1891 | FileSystemVideo Rugpull | $304K | — | Rugpull | ||
| 1892 | Ratz Club Access Control Attacks | $140K | — | Access Control | ||
| 1893 | EarnHub Other | $245K | — | Other | ||
| 1894 | Meter.io Other | $4.4M | — | Other | ||
| 1895 | Hundred Finance Other | $3.3M | — | Other | ||
| 1896 | Meter Deposit Function Exploit / Missing Input Validation | $7.7M | ethereum | Deposit Function Exploit / Missing Input Validation | ||
| 1897 | DePo Access Control Attacks | $1.7M | — | Access Control | ||
| 1898 | TECRA Other | $643K | — | Other | ||
| 1899 | KlaySwap Frontend Compromise | $1.9M | klaytn | Frontend Compromise | ||
| 1900 | Wormhole Access Control Attacks | $326M | — | Other | ||
| 1901 | Portal Signature Exploit / Signature Verification Flaw | $326M | solana | Signature Exploit / Signature Verification Flaw | ||
| 1902 | BNS Access Control Attacks | $7.5M | — | Private Key Compromised (Unknown Method) / Key Leaked via Infrastructure | ||
| 1903 | BitBNS Other | $7.5M | — | Other | ||
| 1904 | DataDAO Finance Rugpull | $782K | — | Rugpull | ||
| 1905 | CryptoBatz Other | $90K | — | Other | ||
| 1906 | Qubit Transfer Logic Exploit / Missing Input Validation | $80.0M | bsc | Transfer Logic Exploit / Missing Input Validation | ||
| 1907 | Qubit Finance Other | $80.0M | — | Other | ||
| 1908 | Mercenary Rugpull | $760K | — | Rugpull | ||
| 1909 | OpenSea Withdrawal Logic Flaw | $1.0M | ethereum | Withdrawal Logic Flaw | ||
| 1910 | Rich Dwarves Tribe Abandoned | $3.0M | — | Abandoned | ||
| 1911 | Solfire Rugpull | $4.1M | — | Rugpull | ||
| 1912 | Multichain Missing Input Validation | $2.7M | ethereum | Missing Input Validation | ||
| 1913 | Crosswise Access Control Attacks | $879K | bsc | Improper Access Control | ||
| 1914 | Crypto.com Access Control Attacks | $34.4M | bitcoin, ethereum | Private Key Compromised (Unknown Method) / Access Control / Session Key Compromised | ||
| 1915 | Cryptoburgers Flash Loan Attacks | $770K | bsc | Flash Loan Attack / Improper Access Control | ||
| 1916 | BNB HEROES Rugpull | $561K | — | Rugpull | ||
| 1917 | CityDAO Phishing Attacks | $95K | ethereum | Phishing | ||
| 1918 | Float Protocol Oracle Manipulation & Price Manipulation | $1.4M | ethereum | Oracle Issue / Spot Price Manipulation | ||
| 1919 | IDO rug pulls Rugpull | $2.7M | — | Rugpull | ||
| 1920 | Big Daddy Ape Club Rugpull | $1.2M | — | Rugpull |
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.