Secure Coding for Web3 and Smart Contracts
February 01, 2026
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1 min read
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Table of Contents
Smart contract bugs have caused billions in losses.
Common Vulnerabilities
- Reentrancy attacks
- Integer overflow/underflow
- Access control flaws
- Front-running
- Oracle manipulationNotable Hacks
- The DAO: $60M (2016)
- Poly Network: $600M (2021)
- Wormhole: $320M (2022)
- Ronin: $625M (2022)Security Practices
- Formal verification
- Multiple audits
- Bug bounty programs
- Upgradeable contracts
- Time-locks and multi-sigsRelated Posts
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