Web3 Hacks & DeFi Exploit Intelligence
- $104B+Lost
- 3844Incidents
- 126Chains
- 16Classes
| # | Project | Date | Amount Lost | Chain | Technique | Links |
|---|---|---|---|---|---|---|
| 1951 | Pizza Other | $9.9M | — | Other | ||
| 1952 | ScareCrow Abandoned | — | — | Abandoned | ||
| 1953 | 8ight Finance Access Control Attacks | $924K | — | Access Control | ||
| 1954 | Daedalus DAO Rugpull | $129K | — | Rugpull | ||
| 1955 | AutobotDefi Rugpull | $797 | — | Rugpull | ||
| 1956 | Pizza DeFi Arithmetic Error | $5.0M | eos | Arithmetic Error | ||
| 1957 | Bitmart Access Control Attacks | $196M | bsc, ethereum | Private Key Compromised (Unknown Method) / Hot Wallet Key Compromised | ||
| 1958 | BitMart Exchange Access Control Attacks | $196M | — | Access Control | ||
| 1959 | Polygon Access Control Attacks | $2.0M | polygon | Improper Access Control | ||
| 1960 | Badger DAO Cloudflare Key Compromised / CDN Compromise | $120M | ethereum | Cloudflare Key Compromised / CDN Compromise | ||
| 1961 | CollectCoin Other | $1.1M | — | Other | ||
| 1962 | MetaMoonMars Other | $866 | — | Other | ||
| 1963 | MonoX Swap Function Exploit / Swap Logic Flaw | $31.4M | ethereum, polygon | Swap Function Exploit / Swap Logic Flaw | ||
| 1964 | Coinsuper Other | — | — | Other | ||
| 1965 | SnowdogDAO Rugpull | $30.0M | — | Rugpull | ||
| 1966 | Visor Finance Flash Loan Attacks | $976K | ethereum | Flash Loan Attack / Spot Price Manipulation | ||
| 1967 | Lever Borrow Logic Flaw | $653K | bsc | Borrow Logic Flaw | ||
| 1968 | ElectronDAO Rugpull | $729K | — | Rugpull | ||
| 1969 | Sloth Inu Rugpull | $8K | — | Rugpull | ||
| 1970 | Snowdog Drained Contracts / Liquidity Rug | $18.1M | avalanche | Drained Contracts / Liquidity Rug | ||
| 1971 | SkyDog Honeypot | — | binance | Honeypot | ||
| 1972 | dYdX Other | $211K | — | Other | ||
| 1973 | Ploutoz Finance Flash Loan Attacks | $372K | — | Flash Loan Attack | ||
| 1974 | Ploutoz Oracle Manipulation & Price Manipulation | $365K | bsc | Spot Price Manipulation | ||
| 1975 | Unlock Protocol Access Control Attacks | $416K | — | Access Control | ||
| 1976 | Zenon Network Other | $1.2M | — | Other | ||
| 1977 | Formation.Fi Other | $100K | — | Other | ||
| 1978 | UFCT Rugpull | $1.3M | — | Rugpull | ||
| 1979 | Phantom Galaxies Phishing Attacks | $1.1M | ethereum | Malware | ||
| 1980 | Meta Pets Rugpull | $709K | — | 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.