Web3 Hacks & DeFi Exploit Intelligence

  • $104B+Lost
  • 3836Incidents
  • 124Chains
  • 16Classes
# Project Date Amount Lost Chain Technique Links
151 CREAM Lending Flash Loan Attacks $130M ethereum Flashloan Price Oracle Attack / Spot Price Manipulation
152 Indexed Finance Flash Loan Attacks $16.0M ethereum Flashloan Price Oracle Attack / Spot Price Manipulation
153 My Farm Pet Flash Loan Attacks $31K Flash Loan Attack
154 Vee Finance Flash Loan Attacks $36.0M avalanche Flashloan Price Oracle Attack / Spot Price Manipulation
155 Zabu Finance Flash Loan Attacks $3.2M avalanche Flashloan Exploit / Deposit Logic Flaw
156 CREAM Lending Flash Loan Attacks $18.8M ethereum Flashloan Reentrancy Attack / Reentrancy
157 xToken Flash Loan Attacks $4.5M ethereum Flashloan Price Oracle Attack / Flash Loan Attack / Spot Price Manipulation
158 SurgeBNB Flash Loan Attacks $5.0M bsc Flashloan Reentrancy Attack / Reentrancy
159 XSURGE Flash Loan Attacks $5.6M Flash Loan Attack
160 Wault Finance Flash Loan Attacks $800K binance Flash Loan Attack
161 Popsicle Finance Flash Loan Attacks $20.7M ethereum Flashloan Incentive Rewards Exploit / Reward Logic Flaw
162 Array Finance Flash Loan Attacks $516K Flash Loan Attack
163 PancakeBunny Flash Loan Attacks $2.4M Flash Loan Attack
164 Bunny Flash Loan Attacks $2.4M bsc Flashloan Incentive Rewards Exploit / Unbacked Mint
165 ApeRocket Flash Loan Attacks $1.3M bsc Flashloan Incentive Rewards Exploit / Flash Loan Attack / Reward Logic Flaw
166 Eleven Finance Flash Loan Attacks $4.5M bsc Flashloan Burn Function Exploit / Withdrawal Logic Flaw
167 Impossible Finance Flash Loan Attacks $661K binance, bsc Flash Loan Attack / Spot Price Manipulation
168 EVODeFi Flash Loan Attacks $1.7M bsc Flash Loan Attack / Reward Logic Flaw
169 Belt Finance Flash Loan Attacks $6.3M binance, bsc Flashloan Price Oracle Attack / Flash Loan Attack / Incorrect Share Accounting
170 BurgerSwap Flash Loan Attacks $7.2M binance, bsc Flashloan Reentrancy Attack / Flash Loan Attack / Reentrancy
171 JulSwap Flash Loan Attacks $1.5M Flash Loan Attack
172 Merlin Labs Arithmetic Overflow & Underflow Attacks $680K binance, bsc Math Mistake Exploit / Flashloan Incentive Rewards Exploit / Reward Logic Flaw / Rounding Error
173 AutoShark Flash Loan Attacks $823K bsc Flashloan Incentive Rewards Exploit / Flash Loan Attack / Reward Logic Flaw
174 Bogged Finance Flash Loan Attacks $3.6M binance, bsc Flash Loan Attack / Arithmetic Error
175 PancakeBunny Flash Loan Attacks $45.0M binance Flash Loan Attack
176 Bunny Flash Loan Attacks $45.0M bsc Flashloan Price Oracle Attack / Spot Price Manipulation
177 BearnFi Flash Loan Attacks $18.0M bsc Flashloan Withdraw Logic Exploit / Withdrawal Logic Flaw
178 bEarn Fi Flash Loan Attacks $11.0M binance Flash Loan Attack
179 xToken Flash Loan Attacks $24.0M ethereum Flashloan Price Oracle Attack / Flash Loan Attack / Spot Price Manipulation
180 Rari Capital Access Control Attacks $15.7M ethereum Price Oracle Attack / Flash Loan Attack / Arbitrary External Call

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.