Here's a thinking process:
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Analyze User Request:
- Topic: DeFi smart contract vulnerabilities
- Quantity: 3 common ones
- Requirement: List them and explain how to detect them
- Constraint: Be specific
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Identify Key Vulnerabilities in DeFi Smart Contracts:
I need to pick 3 of the most common, impactful, and well-documented vulnerabilities in DeFi smart contracts. Common ones include:- Reentrancy attacks
- Integer overflow/underflow (though less common now with Solidity ^0.8.0, still relevant in older code or other languages)
- Access control issues (owner-only functions, proxy admin takeovers)
- Flash loan attacks (often via price manipulation or oracle manipulation)
- Front-running / MEV related issues
- Logic errors in tokenomics/fee on transfer tokens
- Unchecked
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