Web3 Hacks & DeFi Exploit Intelligence

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

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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
31 Polter Finance Flash Loans Attacks $12.0M fantom Flashloan Price Oracle Attack / Oracle Issue
32 zkFinance Oracle Manipulation & Price Manipulation $200K zksync era Oracle Misconfiguration Exploit
33 LeadBlock's Morpho Blue Market Oracle Manipulation & Price Manipulation $250K ethereum Oracle Misconfiguration Exploit
34 N/A Oracle Manipulation & Price Manipulation $130K Oracle Issue
35 Rho Markets Oracle Manipulation & Price Manipulation $7.6M scroll Price Oracle Manipulation / Oracle Issue
36 UwU Lend Flash Loans Attacks $3.7M ethereum Flashloan Price Oracle Attack / Flash Loan Attack
37 UwU Lend Flash Loans Attacks $20.0M ethereum Flashloan Price Oracle Attack
38 WOOFi Swap Flash Loans Attacks $8.5M arbitrum Price Oracle Manipulation / Flash Loan Attack
39 BlueBerry Flash Loans Attacks $1.4M ethereum Flashloan Price Oracle Attack
40 Gamma Oracle Manipulation & Price Manipulation $4.5M arbitrum Price Manipulation Attack
41 Levana Perps Oracle Manipulation & Price Manipulation $1.1M osmosis Price Oracle Attack
42 dYdX V3 Oracle Manipulation & Price Manipulation $9.0M ethereum Price Manipulation Attack
43 Zunami Protocol Flash Loans Attacks $2.2M ethereum Price Manipulation Attack / Flash Loan Attack
44 Conic Finance Flash Loans Attacks $300K ethereum Flashloan Price Oracle Attack
45 Rodeo Finance Oracle Manipulation & Price Manipulation $1.7M Oracle Issue
46 Themis Protocol Flash Loans Attacks $370K arbitrum Flashloan Price Oracle Attack / Flash Loan Attack
47 Hyperliquid Oracle Manipulation & Price Manipulation $37K arbitrum CEX Price Manipulation Attack
48 Sturdy Finance Oracle Manipulation & Price Manipulation $775K Oracle Issue
49 Hundred Finance Flash Loans Attacks $7.0M optimism Flashloan Donate Function Logic Exploit / Oracle Issue
50 Allbridge Core Flash Loans Attacks $650K bsc Flashloan Price Oracle Attack / Flash Loan Attack
51 Tender Finance Oracle Manipulation & Price Manipulation $1.6M arbitrum Outdated Oracle Exploit
52 TenderFi Oracle Manipulation & Price Manipulation $1.6M Oracle Issue
53 dForce Oracle Manipulation & Price Manipulation $3.6M Oracle Issue
54 BonqDAO Oracle Manipulation & Price Manipulation $120M Oracle Issue
55 BonqDAO Oracle Manipulation & Price Manipulation $1.7M polygon Price Oracle Attack
56 Roe Finance Flash Loans Attacks $80K ethereum, polygon Flashloan Pool Shares Exploit / Oracle Issue
57 Defrost Oracle Manipulation & Price Manipulation $6.0M avalanche Oracle Manipulation
58 ElasticSwap Oracle Manipulation & Price Manipulation $854K avalanche, ethereum Price Oracle Attack / Other
59 Lodestar V0 Flash Loans Attacks $6.9M arbitrum Flashloan Price Oracle Attack
60 Abracadabra Money Oracle Manipulation & Price Manipulation $111K Oracle Issue

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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