--- title: "#smart-contract-security articles | Hashnode" description: "Explore 84 articles tagged #smart-contract-security on Hashnode. Tutorials, guides, and how-tos from the community." url: "https://hashnode.com/tag/smart-contract-security" --- Tag # #smart-contract-security 84 posts · 66 followers [Mohammad Ayaan Siddiqui](https://hashnode.com/@ayaaneth) · [1d ago](https://hashnode.com/posts/what-i-learnt-from-my-first-smart-contract-audit/6af328a8f910c8b38f08dbd5) ### [What I Learnt From My First Smart Contract Audit](https://blog.moayaan.com/what-i-learnt-from-my-first-smart-contract-audit?utm_source=hashnode&utm_medium=feed) The parts nobody warns you about. 4 min read · [blog.moayaan.com](https://blog.moayaan.com/what-i-learnt-from-my-first-smart-contract-audit?utm_source=hashnode&utm_medium=feed) [2](https://hashnode.com/posts/what-i-learnt-from-my-first-smart-contract-audit/6af328a8f910c8b38f08dbd5) [Favour Ajaye](https://hashnode.com/@blockchaindeveloper) · [May 13](https://hashnode.com/posts/anatomy-of-a-preventable-drain-what-the-wasabi-protocol-exploit-teaches-defi-about-admin-key-security-governance-architecture-and-operational-discipline/6a0465e6e044f035ba062480) ### [Anatomy of a Preventable Drain: What the Wasabi Protocol Exploit Teaches DeFi About Admin Key Security, Governance Architecture, and Operational Discipline](https://favourajaye.hashnode.dev/anatomy-of-a-preventable-drain-what-the-wasabi-protocol-exploit-teaches-defi-about-admin-key-security-governance-architecture-and-operational-discipline?utm_source=hashnode&utm_medium=feed) A technical breakdown of the $5.9M Wasabi Protocol drain and the six countermeasures that would have stopped it. Practical guide for DeFi teams. 27 min read · [favourajaye.hashnode.dev](https://favourajaye.hashnode.dev/anatomy-of-a-preventable-drain-what-the-wasabi-protocol-exploit-teaches-defi-about-admin-key-security-governance-architecture-and-operational-discipline?utm_source=hashnode&utm_medium=feed) [Bolaji Daniel - D4N0](https://hashnode.com/@d4n0) · [Mar 18](https://hashnode.com/posts/code4rena-first-contest-olas/69ba0643c22d3eeb8a1f6e4b) ### [Code4rena - First contest (olas)](https://thisisd4n0.hashnode.dev/code4rena-first-contest-olas?utm_source=hashnode&utm_medium=feed) A detailed breakdown of my first Code4rena audit contest (OLAS), including mistakes, lessons learned, and how I plan to improve my Web3 security audit 5 min read · [thisisd4n0.hashnode.dev](https://thisisd4n0.hashnode.dev/code4rena-first-contest-olas?utm_source=hashnode&utm_medium=feed) [33Audits](https://hashnode.com/@33Audits) · [Mar 4](https://hashnode.com/posts/uniswap-cca-security-considerations-for-auditors/69a7ae3056428acc6f2d8d53) ### [Uniswap CCA: Security Considerations for Auditors](https://33audits.hashnode.dev/uniswap-cca-security-considerations-for-auditors?utm_source=hashnode&utm_medium=feed) Smart contract auditors for uniswap hooks 8 min read · [33audits.hashnode.dev](https://33audits.hashnode.dev/uniswap-cca-security-considerations-for-auditors?utm_source=hashnode&utm_medium=feed) [Jeniemarsh](https://hashnode.com/@jeniemarsh) · [Nov 19, 2025](https://hashnode.com/posts/compare-the-top-smart-contract-development-companies-2026-strengths-and-specialties/691da3c276f2bc0404c8a128) ### [Compare the Top Smart Contract Development Companies 2026: Strengths and Specialties](https://smartcontractdeve.hashnode.dev/compare-the-top-smart-contract-development-companies-2026-strengths-and-specialties?utm_source=hashnode&utm_medium=feed) Discover the top smart contract development companies of 2026. Rankings based on security, AI capabilities, enterprise adoption, and demonstrated expertise. 6 min read · [smartcontractdeve.hashnode.dev](https://smartcontractdeve.hashnode.dev/compare-the-top-smart-contract-development-companies-2026-strengths-and-specialties?utm_source=hashnode&utm_medium=feed) [Prakash Yadav](https://hashnode.com/@prakash33) · [Oct 11, 2025](https://hashnode.com/posts/incremental-merkle-tree-advanced-security-for-blockchain-applications/68ea8e5efac65d54a9687ec9) ### [Incremental Merkle Tree: Advanced Security for Blockchain Applications.](https://prakashauditorblog.hashnode.dev/incremental-merkle-tree-advanced-security-for-blockchain-applications?utm_source=hashnode&utm_medium=feed) In the fast-paced landscape of blockchain technology, where data integrity and security are paramount, the necessity for advanced data management solutions has never been more critical. Why did the blockchain application choose an Incremental Merkle ... 7 min read · [prakashauditorblog.hashnode.dev](https://prakashauditorblog.hashnode.dev/incremental-merkle-tree-advanced-security-for-blockchain-applications?utm_source=hashnode&utm_medium=feed) [Prakash Yadav](https://hashnode.com/@prakash33) · [Oct 8, 2025](https://hashnode.com/posts/certora-prover-mathematical-precision-in-blockchain-security-verification/68e690bdcf31dfbf879e6bd0) ### [Certora Prover: Mathematical Precision in Blockchain Security Verification.](https://prakashauditorblog.hashnode.dev/certora-prover-mathematical-precision-in-blockchain-security-verification?utm_source=hashnode&utm_medium=feed) In the fast-evolving world of blockchain technology, where vulnerabilities can lead to catastrophic losses, the demand for innovative security solutions has never been higher. Why did the smart contract go to the verifier? To prove it was secure wit... 6 min read · [prakashauditorblog.hashnode.dev](https://prakashauditorblog.hashnode.dev/certora-prover-mathematical-precision-in-blockchain-security-verification?utm_source=hashnode&utm_medium=feed) [Victor Uzoagba](https://hashnode.com/@VictorUzoagba) · [Oct 2, 2025](https://hashnode.com/posts/the-role-of-oracles-in-smart-contracts-how-chainlink-and-others-bring-real-world-data-on-chain/68de3a4b9747472e5409370e) ### [The Role of Oracles in Smart Contracts: How Chainlink and Others Bring Real-World Data On-Chain](https://defidiaries.hashnode.dev/the-role-of-oracles-in-smart-contracts-how-chainlink-and-others-bring-real-world-data-on-chain?utm_source=hashnode&utm_medium=feed) Discover how blockchain oracles like Chainlink connect smart contracts to real-world data. Learn why oracles are essential for DeFi and NFTs. 10 min read · [defidiaries.hashnode.dev](https://defidiaries.hashnode.dev/the-role-of-oracles-in-smart-contracts-how-chainlink-and-others-bring-real-world-data-on-chain?utm_source=hashnode&utm_medium=feed) [Victor\_TheOracle](https://hashnode.com/@VictorOkpukpan) · [Sep 10, 2025](https://hashnode.com/posts/how-the-constant-product-formula-works-in-uniswap-v2/68c14be7f26f514e089450bf) ### [How the Constant Product Formula Works in Uniswap V2](https://victortheoracle.hashnode.dev/how-the-constant-product-formula-works-in-uniswap-v2?utm_source=hashnode&utm_medium=feed) Uniswap V2's constant product formula is key for trades, slippage, and liquidity, essential for DeFi developers and auditors 6 min read · [victortheoracle.hashnode.dev](https://victortheoracle.hashnode.dev/how-the-constant-product-formula-works-in-uniswap-v2?utm_source=hashnode&utm_medium=feed) [Victor Omenai](https://hashnode.com/@oritsevic) · [Aug 21, 2025](https://hashnode.com/posts/mastering-trait-based-contract-validation/68a799c0d97e2bf1a04856d2) ### [Mastering Trait-Based Contract Validation:](https://stackswithvictor.hashnode.dev/mastering-trait-based-contract-validation?utm_source=hashnode&utm_medium=feed) Building Runtime Security Into CineX's Modular Architecture 10 min read · [stackswithvictor.hashnode.dev](https://stackswithvictor.hashnode.dev/mastering-trait-based-contract-validation?utm_source=hashnode&utm_medium=feed)