Vultbase Blog
Deep dives into smart contract vulnerabilities, DeFi exploit analysis, and security best practices — written by the team that built a 1,200+ exploit pattern database.
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Practical guidelines for writing secure Solidity from the start — defensive patterns, common pitfalls, testing strategies, and the mindset shift from web2 to web3 security.
Security best practices for Solana programs built with Anchor — account validation, constraint macros, CPI security, and the most common Anchor-specific vulnerabilities.
Advanced testing strategies for smart contract security — fuzz testing, invariant testing, formal verification, and test-driven security with Foundry and Hardhat.
A deep dive into reentrancy guard implementations — OpenZeppelin's ReentrancyGuard, custom guards, transient storage in EIP-1153, and when guards aren't enough.
How token approvals create security risks and how to implement safe approval patterns — infinite approvals, permit, permit2, and approval hygiene.
How to architect a DeFi protocol with security as a core design principle — from initial design through deployment and monitoring.
A practical guide to upgrade patterns — Transparent Proxy, UUPS, Diamond (EIP-2535), and Beacon proxies. When to use each and how to avoid upgrade-specific vulnerabilities.
A step-by-step incident response playbook for DeFi protocols — from detection to containment, communication, recovery, and post-mortem.
How to build more secure cross-chain bridges — validator architecture, message verification, rate limiting, emergency controls, and lessons from $2B+ in bridge exploits.
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