I have organised some common issues that you might experience when learning Road to Web3, will continue to update.

👉 Official tutorial https://docs.alchemy.com/docs/welcome-to-the-road-to-web3

Important

Environment Related

For Windows Users: It is recommended to use Powershell instead of cmd!

npx hardhat → Error HH12 Trying to use a non-local installation of Hardhat…

Error HH100: Network goerli doesn’t exists

Cannot find module ‘@nomiclabs/hardhat-waffle’

Cannot find module ‘@nomicfoundation/hardhat-toolbox’

“Invalid account #0” Error

npx hardhat - cannot create project

yarn add → npm install

First Week - How to Develop an NFT Smart Contract (ERC721) with Alchemy

NFT cannot be displayed

Second Week - How to Build "Buy Me a Coffee" DeFi dapp