Web3 Security & Auditing
Contract review, vulnerability patterns, testing tools, and audit limitations.
8 lessons
The Auditor Mindset
How smart contract auditors think and why code review is different in Web3.
Advanced Solidity Exploits
Review flash-loan assumptions, proxy initialization, and signature replay protections.
Using Foundry and Slither
Use static analysis, Solidity tests, fuzzing, and local chain forks during a contract review.
Reentrancy and Shared State
The most famous smart contract vulnerability - how it works, real exploits that used it, and the three defenses.
MEV: Maximal Extractable Value
How validators and searchers extract profit from transaction ordering, and why it matters for every DeFi user.
Governance Attacks and Defenses
How governance systems get exploited, and how DAOs defend against hostile takeovers.
Oracle Manipulation
How a manipulated or stale price feed can affect lending, trading, and liquidations.
ZK-Rollups and Privacy
How zero-knowledge proofs enable scalable and private blockchain transactions.