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Web3 Security Insights

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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🧱DeFi Security

DeFi Composability Risks: When Money Legos Become Vulnerability Chains

How DeFi's greatest strength — composability — creates chains of dependencies that amplify risk. Learn about cascading failures, assumption violations, and integration risks.

Kennedy OwiroDec 269 min read
💥Smart Contract Security

Storage Collision Attacks in Upgradeable Smart Contracts

How mismatched storage layouts between proxy and implementation contracts lead to corrupted state, unauthorized access, and fund theft. Learn safe storage patterns.

Kennedy OwiroDec 238 min read
🛡️Best Practices

Frontrunning Protection: Building MEV-Resistant Smart Contract Patterns

Practical patterns and techniques for protecting your smart contracts from frontrunning — commit-reveal, batch auctions, private mempools, and encrypted transactions.

Kennedy OwiroDec 209 min read
🎲Smart Contract Security

Secure Randomness in Smart Contracts: Why It's So Hard and How to Get It Right

Why on-chain randomness is fundamentally broken and how to use Chainlink VRF, commit-reveal, and other patterns to get verifiable randomness in your smart contracts.

Kennedy OwiroDec 178 min read
🎨Smart Contract Security

NFT Smart Contract Security: Beyond the JPEG — Vulnerabilities in ERC-721 and ERC-1155

Security risks specific to NFT smart contracts — from reentrancy via onERC721Received to mint manipulation, metadata attacks, and royalty bypass.

Kennedy OwiroDec 148 min read
💧DeFi Security

Liquidity Pool Security: Protecting AMMs from Exploits and Manipulation

Security risks in liquidity pools — from impermanent loss optimization attacks to sandwich exploits, pool draining, and virtual reserve manipulation.

Kennedy OwiroDec 119 min read
🔐Best Practices

Multi-Signature Wallet Vulnerabilities and Best Practices for DeFi

How multi-sig wallets fail — from the Parity freeze to social engineering and operational security gaps. Learn to configure and use multisigs securely.

Kennedy OwiroDec 88 min read
🔍Industry Insights

What Is a Smart Contract Audit? Everything You Need to Know in 2026

A complete guide to smart contract audits — what they cover, how they work, what they cost, and why your protocol needs one before mainnet deployment.

Kennedy OwiroDec 510 min read
💀Industry Insights

Top 10 Biggest DeFi Hacks of All Time: Lessons From $4 Billion in Losses

A detailed analysis of the 10 largest DeFi exploits in history — from Ronin Bridge to Poly Network. What happened, how it was exploited, and what we can learn.

Kennedy OwiroDec 214 min read

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