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.
Page 1 of 2
A deep dive into reentrancy vulnerabilities — from The DAO hack to modern cross-function and read-only variants. Learn how they work, why they keep happening, and how to protect your smart contracts.
How broken access control has led to billions in DeFi losses. Learn the common patterns, real exploits, and how to implement robust permission systems in Solidity and Rust.
How signature replay attacks bypass authentication in smart contracts. Learn about nonce management, EIP-712, domain separation, and cross-chain replay protection.
Cross-chain bridges are DeFi's weakest link — responsible for over $2B in losses. Understand the architecture, attack vectors, and how to build more secure bridges.
How arithmetic errors in smart contracts lead to infinite token minting, balance manipulation, and fund theft. From batchOverflow to modern SafeMath alternatives.
How upgradeable proxy patterns create security risks — storage collisions, uninitialized proxies, and selfdestruct attacks. Learn to implement safe upgrade patterns.
How gas-based attacks can freeze smart contracts, block withdrawals, and halt protocol operations. Learn about unbounded loops, block gas limits, and griefing protection.
Why ignoring return values from external calls and token transfers leads to silent failures and fund losses. Learn the safe patterns for handling call results in Solidity.
As protocols expand across chains, new attack surfaces emerge. Learn about message verification, replay attacks, liquidity fragmentation, and cross-chain composability risks.
Submit your smart contracts for a professional security audit powered by 1,200+ historical exploit patterns.
Start Your Audit