Web3 Hacks & DeFi Exploit Intelligence

Security trends
  • $91B+Lost
  • 3595Incidents
  • 141Chains
  • 19Classes
# Project Date Amount Lost Chain Technique Links
3391 Eminence $15.1M ethereum Flashloan Price Oracle Attack / Flash Loan Attack / Spot Price Manipulation
3392 KuCoin $285M ethereum Private Key Compromised (Unknown Method) / Hot Wallet Key Compromised
3393 Hatch DAO — ethereum Rugpull
3394 UniCat.farm $713K ethereum Rugpull
3395 Tomatos $286K ethereum Rugpull
3396 Soda Protocol $160K ethereum Withdrawal Logic Flaw
3397 LV Finance $334K ethereum Rugpull
3398 WinPlay $26K ethereum Rugpull
3399 bZx $8.1M ethereum Self-transfer balance duplication
3400 Coral $420K eos Reentrancy
3401 Emerald Mine $2.5M eos Rugpull
3402 ETERBASE $5.4M algorand, bitcoin, ethereum, tezos, tron, xrp Access Control / Hot Wallet Key Compromised
3403 Chainlink $245K — Other
3404 Soft Yearn Finance $281K — Other
3405 SYFI $250K ethereum Arithmetic Error
3406 Electrum $15.0M — Access Control
3407 Yam DAO $750K — Other
3408 Ethereum Classic $1.7M ethereum classic Forged Proof
3409 opyn $371K ethereum Withdrawal Logic Flaw
3410 OKEx $5.6M ethereum classic Forged Proof
3411 2gether $1.4M bitcoin, ethereum Rugpull / Key Leaked via Infrastructure
3412 Twitter $120K — Access Control
3413 Cashaa $3.1M bitcoin Custodial wallet compromise
3414 Vether $450K ethereum Improper Access Control
3415 Balancer $524K ethereum Flash Loan Attack / Incorrect Share Accounting
3416 Bancor $545K ethereum Improper Access Control
3417 WoToken $1.0B — Rugpull
3418 Hegic — ethereum Deposit Logic Flaw
3419 Lendf.me $25.2M ethereum Reentrancy / Other
3420 Uniswap $232K ethereum Reentrancy

Data sourced from DefiLlama & SunWeb3Sec/DeFiHackLabs . Thank you for keeping Web3 security data open.

Understanding Smart Contract Vulnerabilities

Explore the technical causes behind reentrancy, flash loan attacks, and oracle manipulation in our attack guides.

Learn how these hacks actually worked

Study the exploit patterns behind the incidents in this database, then practice finding them before attackers do.