Web3 Hacks & DeFi Exploit Intelligence

  • $104B+Lost
  • 3836Incidents
  • 124Chains
  • 16Classes
# Project Date Amount Lost Chain Technique Links
451 Roll Access Control Attacks $5.7M ethereum Private Key Compromised (Unknown Method) / Access Control / Hot Wallet Key Compromised
452 DODO AMM Access Control Attacks $3.8M ethereum Access Control Exploit / Improper Access Control
453 Seascape Access Control Attacks $500K ethereum Private Key Compromised
454 Furucombo Access Control Attacks $14.0M ethereum Delegatecall Exploit / Delegatecall Hijack
455 Cryptopia Exchange Access Control Attacks $45K Access Control
456 LuBian Access Control Attacks $3.5B bitcoin Private Key Compromised (Brute Force) / Weak Key Generation
457 EXMO Access Control Attacks $11.7M multiple Access Control / Hot Wallet Key Compromised
458 SushiSwap Access Control Attacks $15K ethereum Improper Access Control
459 Ledger Access Control Attacks $1.8M Access Control
460 KuCoin Access Control Attacks $281M ethereum Private Key Compromised (Unknown Method) / Hot Wallet Key Compromised
461 KuCoin Access Control Attacks $280M Access Control
462 ETERBASE Access Control Attacks $5.4M algorand, bitcoin… Access Control / Hot Wallet Key Compromised
463 Electrum Access Control Attacks $15.0M Access Control
464 Twitter Access Control Attacks $120K Access Control
465 Cashaa Access Control Attacks $3.1M bitcoin Access Control / Key Leaked via Infrastructure
466 Vether Access Control Attacks $450K ethereum Improper Access Control
467 Bancor Access Control Attacks $545K ethereum Improper Access Control
468 Ledger Access Control Attacks $224K Access Control
469 Electrum Access Control Attacks $17.7M Access Control
470 VeChain Access Control Attacks $6.5M vechain Private Key Compromised
471 Upbit Access Control Attacks $51.2M ethereum Access Control / Hot Wallet Key Compromised
472 Chain Fusion Access Control Attacks $6.4M ethereum Private Key Compromised
473 CoinTiger Access Control Attacks $1.8M Access Control
474 Bitpoint Access Control Attacks $32.0M bitcoin, ethereum… Access Control / Key Leaked via Infrastructure
475 Bitrue Access Control Attacks $5.0M cardano, ripple Access Control / Improper Access Control
476 GateHub Access Control Attacks $10.0M ripple Access Control / Private Key Compromised
477 Kraken Access Control Attacks $10.5M bitcoin Access Control / Improper Access Control
478 Poker EOS Access Control Attacks eos Private Key Compromised
479 Coinbase Access Control Attacks $100K Access Control
480 Binance Access Control Attacks $41.7M bitcoin Access Control / Hot Wallet Key Compromised

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

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.