Smart Contract Security

Learn to identify, prevent, and audit for smart contract vulnerabilities. Become proficient with security tools and best practices.

1. Lesson 1

   Common Vulnerabilities: Reentrancy, Overflow, Access Control

   Study the most exploited vulnerability classes in smart contracts with real-world attack examples.

   25 min
2. Lesson 2

   Security Patterns & Best Practices

   Apply defensive programming patterns including checks-effects-interactions, pull payments, and rate limiting.

   25 min
3. Lesson 3

   Using OpenZeppelin Contracts

   Leverage the battle-tested OpenZeppelin library for secure, audited contract implementations.

   20 min
4. Lesson 4

   Writing Security Tests with Foundry

   Write comprehensive fuzz tests, invariant tests, and exploit proofs using the Foundry framework.

   30 min
5. Lesson 5

   Audit Preparation & Checklist

   Prepare your contracts for professional audit with a comprehensive checklist and documentation strategy.

   20 min