Web3 Hacks & DeFi Exploit Intelligence
- $104B+Lost
- 3844Incidents
- 126Chains
- 16Classes
| # | Project | Date | Amount Lost | Chain | Technique | Links |
|---|---|---|---|---|---|---|
| 811 | DeezNutz_404 Flash Loan Attacks | $174K | ethereum | Flash Loan Attack / Infinite Mint | ||
| 812 | RuggedArt Reentrancy | — | ethereum | Reentrancy | ||
| 813 | FixedFloat Access Control Attacks | $26.1M | bitcoin, ethereum | Private Key Compromised / Key Leaked via Infrastructure | ||
| 814 | ParticleTrade Missing Input Validation | $140K | ethereum | Missing Input Validation | ||
| 815 | Fixed Float Access Control Attacks | $26.1M | — | Access Control | ||
| 816 | xPet Other | $257K | — | Other | ||
| 817 | User Phishing Attacks | $48K | — | Phishing | ||
| 818 | DualPools Flash Loan Attacks | $41K | bsc | Flash Loan Attack / Rounding Error | ||
| 819 | Particle Trade Other | $142K | — | Other | ||
| 820 | BEAM Phishing Attacks | $5.2M | — | Phishing | ||
| 821 | MINER Missing Input Validation | $467K | ethereum | Missing Input Validation | ||
| 822 | DuelBits Access Control Attacks | $4.6M | ethereum | Private Key Compromised / Access Control / Malware | ||
| 823 | GAME Reentrancy | $50K | — | Reentrancy | ||
| 824 | PlayDapp Access Control Attacks | $290M | ethereum | Access Control / Hot Wallet Key Compromised | ||
| 825 | Starlay Finance Redeem Logic Flaw | $2.1M | acala | Redeem Logic Flaw | ||
| 826 | Not Found Rugpull | $200K | — | Rugpull | ||
| 827 | MangoFarmSOL Rugpull | $1.3M | — | Rugpull | ||
| 828 | User Phishing Attacks | $196K | — | Phishing | ||
| 829 | CryptoBottle Other | $527K | — | Other | ||
| 830 | Affine Protocol Missing Input Validation | $88K | ethereum | Missing Input Validation | ||
| 831 | Chris Larsen Access Control Attacks | $112M | — | Access Control | ||
| 832 | Abracadabra Money Other | $6.4M | — | Other | ||
| 833 | Abracadabra Spell Borrow Logic Exploit / Rounding Error | $6.5M | ethereum | Borrow Logic Exploit / Rounding Error | ||
| 834 | Barley Finance Infinite Mint | $130K | ethereum | Infinite Mint | ||
| 835 | Goledo Finance Flash Loan Attacks | $1.7M | — | Flash Loan Attack | ||
| 836 | Goledo Oracle Manipulation & Price Manipulation | $1.7M | conflux | Spot Price Manipulation | ||
| 837 | Citadel.one Access Control Attacks | $93K | arbitrum | Improper Access Control | ||
| 838 | Somesing Unbacked Mint | $11.6M | ethereum | Unbacked Mint | ||
| 839 | Citadel Finance Flash Loan Attacks | $97K | — | Flash Loan Attack | ||
| 840 | Nebula Revelation Reentrancy | $180K | optimism | Reentrancy |
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.