[10] Breaking Smart Contracts: COMBINATION LOCK Exploit Challenge

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6 months ago
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Finance & Crypto solidity smart contracts web3 ethereum blockchain programming coding developer security web3 security

Watch as I demonstrate how to exploit integer overflow in Solidity's Combination Lock challenge. Learn why submitting 1,2,3 isn't the solution and discover how unchecked arithmetic leads to unexpected results!

👉 Get Started:
Repository: https://github.com/passandscore/solidity-challenges
Challenge Path: src/exploits/combination-lock/

🔧 Technical Concepts Covered:
- Integer Overflow/Underflow
- Solidity's unchecked keyword
- uint8 limitations
- Smart contract security

💡 Pro Tips:
- Always check for unchecked arithmetic
- Understand data type limitations
- Test edge cases (like max values)

🤝 Connect With Me:
Discord (Dev Squad): https://discord.gg/jXPnv2t5mN
LinkedIn: https://www.linkedin.com/in/jason-schwarz-75b91482/
Portfolio: www.jasonschwarz.xyz

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