A comprehensive tutorial covering Hardhat setup for Ethereum smart contract development. Walks through project initialization, installing dependencies, writing a basic Greeter contract in Solidity, compiling and deploying locally, and deploying to Sepolia testnet using Alchemy. Includes troubleshooting common dependency errors, using Hardhat's vars system for secure credential management, and contract verification on Etherscan.
Table of contents
π§ͺ Step 6: Compile the Contractπ οΈ Fixing Hardhat Error HH801 with Yarnπ§Ύ Why It HappensSort: