Web3 Hacks & DeFi Exploit Intelligence
- $104B+Lost
- 3836Incidents
- 124Chains
- 16Classes
| # | Project | Date | Amount Lost | Chain | Technique | Links |
|---|---|---|---|---|---|---|
| 361 | TempleDAO Access Control Attacks | $2.4M | ethereum | Exploit Lack of Input Authentication / Improper Access Control | ||
| 362 | Wintermute Access Control Attacks | $160M | ethereum | Private Key Compromised (Brute Force) / Access Control / Phishing | ||
| 363 | Profanity Wallet Hack Access Control Attacks | $978K | — | Access Control | ||
| 364 | Ragnarok Online Invasion Access Control Attacks | $45K | bsc | Access Control / Improper Access Control | ||
| 365 | DAO Swap Access Control Attacks | $580K | bsc | Improper Access Control | ||
| 366 | ShadowFi Access Control Attacks | $303K | bsc | Improper Access Control | ||
| 367 | Bill Muray Wallet Hack Access Control Attacks | $178K | — | Access Control | ||
| 368 | Reaper Farm Access Control Attacks | $1.7M | fantom | Improper Access Control | ||
| 369 | Slope Wallet Access Control Attacks | $5.3M | solana | Private Key Compromised (Stored Publicly) / Key Stored Publicly | ||
| 370 | PREMINT | NFT Access Control Attacks | $375K | ethereum | Access Control / Frontend Compromise | ||
| 371 | Impermax Access Control Attacks | $9.0M | ethereum, polygon | Private Key Compromised | ||
| 372 | Citizen Finance Access Control Attacks | $94K | bsc, polygon | Access Control / Private Key Compromised | ||
| 373 | FlippazOne Access Control Attacks | $7K | — | Access Control | ||
| 374 | Crema Finance Access Control Attacks | $8.8M | solana | Access Control Exploit / Improper Access Control | ||
| 375 | Fantom Access Control Attacks | $62K | — | Access Control | ||
| 376 | Horizon by Harmony Access Control Attacks | $100M | — | Access Control | ||
| 377 | Harmony Bridge Access Control Attacks | $100M | bsc, ethereum | Private Key Compromised (Unknown Method) / Validator Key Compromised | ||
| 378 | Wintermute Access Control Attacks | $27.6M | optimism | Cross Chain Multisig Deployment Exploit / Improper Access Control | ||
| 379 | Mirror Access Control Attacks | $2.0M | terra | Improper Access Control | ||
| 380 | Hackerdao Access Control Attacks | $65K | bsc | Flash Loan Attack / Improper Access Control | ||
| 381 | QANX Bridge Access Control Attacks | $707K | ethereum | Private Key Compromised | ||
| 382 | FEG Token Access Control Attacks | $1.9M | bsc, ethereum | Improper Access Control | ||
| 383 | Rikkei Finance Access Control Attacks | $1.1M | bsc | Oracle Issue / Improper Access Control | ||
| 384 | CF Token Access Control Attacks | $1.9M | bsc | Improper Access Control | ||
| 385 | BasketDAO Access Control Attacks | $1.2M | ethereum | Arbitrary External Call | ||
| 386 | Ronin Access Control Attacks | $625M | — | Access Control | ||
| 387 | Auctus Access Control Attacks | $726K | ethereum | Arbitrary External Call | ||
| 388 | LI.FI Access Control Attacks | $600K | ethereum | Token Approval Abuse | ||
| 389 | One Ring Finance Access Control Attacks | $1.4M | ethereum | Improper Access Control | ||
| 390 | Umbrella Network Access Control Attacks | $700K | bsc, ethereum | Improper 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.