Web3 Hacks & DeFi Exploit Intelligence

  • $104B+Lost
  • 3836Incidents
  • 124Chains
  • 16Classes
# Project Date Amount Lost Chain Technique Links
721 GeniusAI Access Control Attacks $1.3M ethereum, fantom Private Key Compromised (Discord Hack) / Social Account Takeover
722 NovaMind Rugpull $70K Rugpull
723 Pike Finance Other $1.6M Other
724 Pike V1 Access Control Attacks $1.6M arbitrum, ethereum… Storage Misalignment Exploit / Proxy Upgrade Hijack
725 Yield Protocol Balance Disparity Exploit / Incorrect Share Accounting $181K arbitrum Balance Disparity Exploit / Incorrect Share Accounting
726 Rain Access Control Attacks $14.8M bitcoin, ethereum… Private Key Compromised
727 BNBX Arithmetic Error bsc Arithmetic Error
728 Pike Finance Other $300K Other
729 YIEDL Missing Input Validation $150K bsc Missing Input Validation
730 FENGSHOU Token Access Control Attacks $191K bsc Access Control / Improper Access Control
731 XBridge Access Control Attacks $1.9M bsc, ethereum Access Control / Improper Access Control
732 Magpie Protocol Router Exploit / Missing Input Validation $129K arbitrum, avalanche… Router Exploit / Missing Input Validation
733 Z123 Oracle Manipulation & Price Manipulation $136K bsc Spot Price Manipulation
734 Rico Access Control Attacks arbitrum Arbitrary External Call
735 Hedgey Flash Loan Attacks $44.7M arbitrum, ethereum Claim Contract Flashloan Exploit / Flash Loan Attack / Missing Input Validation
736 Wilder Access Control Attacks $1.4M Access Control
737 Chainge Finance Access Control Attacks $716K bsc Arbitrary External Call
738 Grand Base Access Control Attacks $1.7M base Private Key Compromised (Unknown Method) / Access Control / Phishing
739 Zest Oracle Manipulation & Price Manipulation $1.0M stacks Spot Price Manipulation
740 Sumer Reentrancy base Reentrancy
741 Sumer.Money Flash Loan Attacks $350K Flash Loan Attack
742 Empower AI Rugpull $230K Rugpull
743 xBlast Hot Wallet Key Compromised $84K ethereum Hot Wallet Key Compromised
744 SQUID Swap Logic Flaw $87K bsc Swap Logic Flaw
745 SAGA (Fake) Rugpull $1.6M Rugpull
746 DegenFox Rugpull $150K Rugpull
747 Condom Rugpull $900K Rugpull
748 Solareum Other $523K Other
749 OpenLeverage Unknown $236K bsc Unknown
750 FixedFloat Key Leaked via Infrastructure $3.0M Key Leaked via Infrastructure

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.