Web3 Hacks & DeFi Exploit Intelligence

$101B+
Total Value Lost
3299
Incidents Tracked
74
Chains Affected
15
Attack Classes

Search the Incident Console

Start with a project name, narrow by chain or exploit class, then open the incident write-up and sources.

# Project Date Amount Lost Chain Technique Links
91 UNMS Flash Loans Attacks $100K Flash Loan Attack
92 ASKACR Token Flash Loans Attacks $29K Flash Loan Attack
93 Zircon Gamma Flash Loans Attacks $350K bsc, moonriver Flashloan Pool Shares Exploit
94 Euler V1 Flash Loans Attacks $197M ethereum Flashloan Donate Function Logic Exploit
95 Euler Finance Flash Loans Attacks $196M Flash Loan Attack
96 Platypus Finance Flash Loans Attacks $8.5M avalanche Flashloan Reentrancy Attack / Flash Loan Attack
97 Dragonball Flash Loans Attacks $16K Flash Loan Attack
98 Midas Capital Flash Loans Attacks $660K polygon Flashloan Reentrancy Attack / Flash Loan Attack
99 Roe Finance Flash Loans Attacks $80K ethereum, polygon Flashloan Pool Shares Exploit / Oracle Issue
100 BRA Token Flash Loans Attacks $225K Flash Loan Attack
101 GDS Chain Flash Loans Attacks $187K Flash Loan Attack
102 Jaypeggerz Flash Loans Attacks $18K Flash Loan Attack
103 Nimbus DAO Flash Loans Attacks $76K Flash Loan Attack
104 Lodestar Finance Flash Loans Attacks $5.8M Flash Loan Attack
105 Lodestar V0 Flash Loans Attacks $6.9M arbitrum Flashloan Price Oracle Attack
106 MooCakeCTX Flash Loans Attacks $123K Flash Loan Attack
107 ULME Token Flash Loans Attacks $51K Flash Loan Attack
108 QuickSwap Flash Loans Attacks $190K Flash Loan Attack
109 PlantWorld Flash Loans Attacks $24K Flash Loan Attack
110 MTDAO Flash Loans Attacks $280K Flash Loan Attack
111 MetaverseToken Flash Loans Attacks $487K Flash Loan Attack
112 Earning Farm Flash Loans Attacks $1.4M Flash Loan Attack
113 Sovryn Flash Loans Attacks $1.1M rsk Flashloan Reentrancy Attack / Other
114 New Free DAO Flash Loans Attacks $1.3M Flash Loan Attack
115 Cauldron Flash Loans Attacks $370K Flash Loan Attack
116 DAO_Officials Flash Loans Attacks $581K Flash Loan Attack
117 Cupid Flash Loans Attacks $79K Flash Loan Attack
118 Kaoya Swap Flash Loans Attacks $118K Flash Loan Attack
119 Nirvana Finance Flash Loans Attacks $3.6M Flash Loan Attack
120 Nirvana V1 Flash Loans Attacks $3.5M solana Flashloan Price Oracle Attack

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

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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.

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