Web3 Hacks & DeFi Exploit Intelligence

  • $104B+Lost
  • 3836Incidents
  • 124Chains
  • 16Classes
# Project Date Amount Lost Chain Technique Links
121 Cauldron Flash Loan Attacks $370K Flash Loan Attack
122 DAO_Officials Flash Loan Attacks $581K Flash Loan Attack
123 Cupid Flash Loan Attacks $79K Flash Loan Attack
124 Kaoya Swap Flash Loan Attacks $118K bsc Flash Loan Attack / Swap Logic Flaw
125 Nirvana Finance Flash Loan Attacks $3.6M Flash Loan Attack
126 Nirvana V1 Flash Loan Attacks $3.5M solana Flashloan Price Oracle Attack / Spot Price Manipulation
127 Space Godzilla Flash Loan Attacks $26K bsc Flash Loan Attack / Spot Price Manipulation
128 Inverse Finance Flash Loan Attacks $1.3M Flash Loan Attack
129 Inverse Finance Frontier Flash Loan Attacks $5.8M ethereum Flashloan Price Oracle Attack / Spot Price Manipulation
130 Equalizer Finance Flash Loan Attacks $72K Flash Loan Attack
131 Hackerdao Access Control Attacks $65K bsc Flash Loan Attack / Improper Access Control
132 FEGtoken Flash Loan Attacks $1.5M Flash Loan Attack
133 Rari Capital Flash Loan Attacks $80.0M arbitrum, ethereum Flashloan Reentrancy Attack / Reentrancy
134 Saddle Finance Flash Loan Attacks $11.0M ethereum Flashloan Swap Logic Exploit / Swap Logic Flaw
135 DEUS Finance Flash Loan Attacks $17.9M fantom Flashloan Price Oracle Attack / Flash Loan Attack / Spot Price Manipulation
136 Beanstalk Flash Loan Attacks $181M ethereum Flashloan Governance Attack / Flash Loan Attack
137 Elephant Money Flash Loan Attacks $22.2M bsc Flashloan Price Oracle Attack / Flash Loan Attack / Spot Price Manipulation
138 OneRing Flash Loan Attacks $1.5M Flash Loan Attack
139 ApeCoin Flash Loan Attacks $820K ethereum Flashloan Governance Attack
140 Agave Flash Loan Attacks $5.5M gnosis chain Flashloan Reentrancy Attack / Reentrancy
141 Hundred Finance Flash Loan Attacks $6.2M gnosis chain Flashloan Reentrancy Attack / Reentrancy
142 DEUS Finance Flash Loan Attacks $3.0M fantom Flash Loan Attack / Spot Price Manipulation
143 Paraluni Masterchef Flash Loan Attacks $1.7M bsc Flashloan Reentrancy Attack / Reentrancy
144 Bacon Protocol Flash Loan Attacks $1.0M ethereum Flash Loan Attack / Reentrancy
145 Cryptoburgers Flash Loan Attacks $770K bsc Flash Loan Attack / Improper Access Control
146 SashimiSwap Flash Loan Attacks $317K ethereum Flash Loan Attack / Swap Logic Flaw
147 Grim Finance Flash Loan Attacks $40.0M fantom Flashloan Reentrancy Attack / Reentrancy
148 Visor Finance Flash Loan Attacks $976K ethereum Flash Loan Attack / Spot Price Manipulation
149 Ploutoz Finance Flash Loan Attacks $372K Flash Loan Attack
150 Cream Finance Flash Loan Attacks $130M Flash Loan Attack

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.