Web3 Hacks & DeFi Exploit Intelligence
- $104B+Lost
- 3836Incidents
- 124Chains
- 16Classes
| # | Project | Date | Amount Lost | Chain | Technique | Links |
|---|---|---|---|---|---|---|
| 481 | Bithumb Access Control Attacks | $19.2M | ethereum, ripple | Access Control / Hot Wallet Key Compromised | ||
| 482 | CoinBene Access Control Attacks | $45.0M | ethereum | Access Control / Improper Access Control | ||
| 483 | Biki Access Control Attacks | $123K | — | Access Control | ||
| 484 | Coinbin Access Control Attacks | $26.0M | ethereum | Access Control / Admin Drain | ||
| 485 | QuadrigaCX Access Control Attacks | $147M | — | Access Control | ||
| 486 | Electrum Access Control Attacks | $949K | — | Access Control | ||
| 487 | HireVibes AirDropsDAC Access Control Attacks | — | eos | Private Key Compromised | ||
| 488 | Trade.io Access Control Attacks | $9.0M | — | Access Control | ||
| 489 | Zaif Access Control Attacks | $60.0M | bitcoin | Access Control / Hot Wallet Key Compromised | ||
| 490 | Bithumb Access Control Attacks | $31.0M | ethereum | Access Control / Key Leaked via Infrastructure | ||
| 491 | Coinrail Access Control Attacks | $40.0M | ethereum | Access Control / Improper Access Control | ||
| 492 | Taylor Access Control Attacks | $1.6M | — | Access Control | ||
| 493 | MyEtherWallet Access Control Attacks | $150K | — | Access Control | ||
| 494 | Gate Access Control Attacks | $235M | — | Private Key Compromised (Unknown Method) / Access Control / Private Key Compromised | ||
| 495 | Coinsecure Access Control Attacks | $3.3M | bitcoin | Access Control / Private Key Compromised | ||
| 496 | Blockchain.com Access Control Attacks | $50.0M | — | Access Control | ||
| 497 | BitGrail Access Control Attacks | $170M | nano | Improper Access Control | ||
| 498 | Coincheck Access Control Attacks | $534M | nem | Private Key Compromised (Unknown Method) / Hot Wallet Key Compromised | ||
| 499 | BlackWallet Access Control Attacks | $400K | — | Access Control | ||
| 500 | EtherDelta Access Control Attacks | $1.4M | ethereum | Access Control / DNS Hijack | ||
| 501 | Tether Access Control Attacks | $31.0M | bitcoin | Private Key Compromised | ||
| 502 | Parity Multisig Access Control Attacks | $150M | ethereum | Contract not initialized / Uninitialized Proxy | ||
| 503 | Coinis Access Control Attacks | $1.9M | — | Access Control | ||
| 504 | Parity Access Control Attacks | $30.0M | ethereum | Uninitialized Proxy | ||
| 505 | Bithumb Access Control Attacks | $1.0M | — | Access Control | ||
| 506 | Bitfinex Access Control Attacks | $72.0M | bitcoin | Access Control / Hot Wallet Key Compromised | ||
| 507 | Gatecoin Access Control Attacks | $2.0M | ethereum | Improper Access Control | ||
| 508 | Gatecoin Access Control Attacks | $2.1M | — | Access Control | ||
| 509 | ShapeShift Access Control Attacks | $230K | bitcoin | Private Key Compromised | ||
| 510 | Shapeshift Access Control Attacks | $269K | — | Access Control |
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.