Solana GambleFi Security: Why VRF and Zero-Edge Models Replace Casino Black Boxes
Web2 casinos hide RTP manipulation. Solana GambleFi uses VRF and Zero-Edge models to make outcomes verifiable. Zealynx auditors explain the security trade-offs.
ReadSmart Contract Security.
Findings, patterns, and deep dives from production audits across Solidity, Rust, Cairo, and Sway.
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ERC-1400 Explained: Security Token Standard for RWA
ERC-1400 security token standard explained: Implement compliant RWA tokenization with partitions, transfer restrictions, and KYC hooks. Complete developer guide for regulated blockchain securities.
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Why Audited DeFi Protocols Retain More TVL: The Trust Architecture Model
How smart contract security drives sticky TVL in DeFi. Learn the Trust Architecture model, reentrancy patterns, and why audited protocols retain more liquidity — Zealynx.
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Write a Custom Aderyn Detector in Rust: Catch Division-Before-Multiplication Bugs in Solidity
Step-by-step guide to writing a custom Aderyn detector in Rust: AST traversal, Solidity pattern matching, and publishing your first static analysis rule — Zealynx.
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Why Fuzz Testing Catches Bugs That Unit Tests Miss: Foundry Invariant Testing for DeFi
How fuzz testing catches smart contract bugs that unit tests miss: Foundry invariant testing, property-based fuzzing, and real DeFi exploit examples — Zealynx Security.
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Fuzzing + Formal Verification: Two Layers That Catch What Manual Audits Miss
Discover how fuzz testing and formal verification enhance blockchain security. Deep dive into advanced techniques for detecting critical smart contract vulnerabilities.
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Inline Assembly Gas Tricks: Hashing, Loops & Storage Writes That Save 30%+ in Solidity
Learn how to use inline assembly (Yul) in Solidity to save gas on hashing, loops, math operations, storage writes, zero-address checks, and ETH balance reads — with side-by-side gas comparisons.
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Solidity Gas Optimization: Understanding How EVM Works Can Save You Gas
Learn how understanding the Ethereum Virtual Machine internals — cold vs warm access, zero vs non-zero storage, variable packing, and uint sizing — can significantly reduce gas costs in your Solidity smart contracts.
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