Web3 Hacks & DeFi Exploit Intelligence
- $104B+Lost
- 3836Incidents
- 124Chains
- 16Classes
| # | Project | Date | Amount Lost | Chain | Technique | Links |
|---|---|---|---|---|---|---|
| 3781 | 796 Access Control Attacks | $270K | bitcoin | Improper Access Control | ||
| 3782 | EgoPay Access Control Attacks | $1.1M | — | Access Control | ||
| 3783 | Bitstamp Access Control Attacks | $5.3M | bitcoin | Access Control / Phishing | ||
| 3784 | MintPal Access Control Attacks | $1.5M | — | Access Control | ||
| 3785 | BitPay Access Control Attacks | $2.4M | — | Access Control | ||
| 3786 | BTER Rugpull | $1.9M | — | Rugpull | ||
| 3787 | Cryptsy Access Control Attacks | $9.9M | bitcoin, litecoin | Access Control / Private Key Compromised | ||
| 3788 | MintPal Access Control Attacks | $2.0M | bitcoin | Access Control / Improper Access Control | ||
| 3789 | Doge Vault Other | $51K | — | Other | ||
| 3790 | Bitcurex Other | $108K | — | Other | ||
| 3791 | Crypto Rush Other | $659K | — | Other | ||
| 3792 | Poloniex Exchange Other | $66K | — | Other | ||
| 3793 | Poloniex Withdrawal Logic Flaw | $50K | bitcoin | Withdrawal Logic Flaw | ||
| 3794 | Flexcoin Withdrawal Logic Flaw | $614K | bitcoin | Withdrawal Logic Flaw | ||
| 3795 | Mt. Gox Other | $473M | — | Other | ||
| 3796 | Picostocks Access Control Attacks | $4.4M | bitcoin | Private Key Compromised | ||
| 3797 | Mt. Gox Access Control Attacks | $470M | bitcoin | Private Key Compromised | ||
| 3798 | PicoStocks Access Control Attacks | $6.4M | — | Access Control | ||
| 3799 | BIPS Other | $600K | — | Other | ||
| 3800 | Bitcash.cz Other | $161K | — | Other | ||
| 3801 | Bitcash Access Control Attacks | $100K | bitcoin | Improper Access Control | ||
| 3802 | GBL Rugpull | $4.0M | — | Rugpull | ||
| 3803 | Inputs.io Access Control Attacks | $1.2M | bitcoin | Access Control / Key Leaked via Infrastructure | ||
| 3804 | BASIC-MINING Rugpull | $277K | — | Rugpull | ||
| 3805 | Just-Dice Access Control Attacks | $123K | — | Access Control | ||
| 3806 | WeExchange Other | $545K | — | Other | ||
| 3807 | PicoStocks Access Control Attacks | $167K | — | Access Control | ||
| 3808 | Vircurex Access Control Attacks | $342K | — | Access Control | ||
| 3809 | Bitmit Access Control Attacks | $202K | — | Access Control | ||
| 3810 | OzCoin Other | $135K | — | Other |
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.