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
1 Summer.fi Flash Loans Attacks $6.0M Flash Loan Attack
2 Thetanuts Finance Flash Loans Attacks $105K Flash Loan Attack
3 BYToken Flash Loans Attacks $87K Flash Loan Attack
4 WUSD.fi Flash Loans Attacks $207K Flash Loan Attack
5 Cyrus Finance Flash Loans Attacks $5.0M bsc Flashloan Pool Shares Exploit
6 dTRINITY Flash Loans Attacks $257K ethereum Flash Loan Attack / Deposit Inflation Attack
7 Wise Lending V2 Flash Loans Attacks $66K arbitrum, ethereum Flashloan Exploit
8 LAXO Token Flash Loans Attacks $191K Flash Loan Attack
9 SOF Token Flash Loans Attacks $249K Flash Loan Attack
10 XPlayer Flash Loans Attacks $717K Flash Loan Attack
11 PGNLZ token Flash Loans Attacks $100K Flash Loan Attack
12 Makina Flash Loans Attacks $5.0M ethereum Flashloan Price Oracle Attack / Flash Loan Attack
13 FutureSwap Flash Loans Attacks $270K ethereum Flashloan Governance Attack
14 Yearn Finance Flash Loans Attacks $300K ethereum misconfigured Fulcrum sUSD strategy / Flash Loan Attack
15 Astera.fi Flash Loans Attacks $822K linea Oracle Price Feed Manipulation / Flash Loan Attack
16 New Gold Protocol Flash Loans Attacks $2.0M Flash Loan Attack
17 Shibarium Flash Loans Attacks $3.0M shibarium Validator Stake Manipulation by Flashloan
18 Impermax V3 Flash Loans Attacks $300K base Flashloan Exploit / Other
19 NumaMoney Flash Loans Attacks $506K Flash Loan Attack
20 Sirio Finance Flash Loans Attacks $2.0M hedera Flashloan Exploit
21 MoonHacker Flash Loans Attacks $300K optimism Unchecked FlashLoan Approve Exploit
22 MoonHacker Flash Loans Attacks $320K Flash Loan Attack
23 DCT Token Flash Loans Attacks $428K Flash Loan Attack
24 BTB Token Flash Loans Attacks $5K Flash Loan Attack
25 Polter Finance Flash Loans Attacks $12.0M fantom Flashloan Price Oracle Attack / Oracle Issue
26 Vista Finance Flash Loans Attacks $29K Flash Loan Attack
27 Lava Flash Loans Attacks $130K arbitrum Flashloan Exploit
28 OnyxDAO Flash Loans Attacks $3.8M Flash Loan Attack
29 Bankroll Flash Loans Attacks $230K Flash Loan Attack
30 CUT token Flash Loans Attacks $1.4M Flash Loan 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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