SolidityERC-20: Write Your First Token with Solidity and Foundry
Implement a minimal ERC-20 token to understand the standard, write tests with Foundry, then switch to OpenZeppelin and deploy on a local network.
Reentrancy: The Vulnerability That Cost The DAO $60 Million
An analysis of the reentrancy vulnerability that caused the 2016 The DAO hack, recreated in Solidity and showing proper mitigation techniques.
Solidity Basics: Contracts, State, and Functions
Learn contracts, state variables, functions, modifiers, and events in Solidity through a simple Wallet contract example, with tests using Hardhat.