How to Make NFTs with On-Chain Metadata - Hardhat and JavaScriptFor this week's project, I learned from the documents on Alchemy's official website.I started and completed this project on October 31, 2022I have learned many things, such as:I learned to use Polygon and learned that Polygon gas is better How to process HTML/SVG code in solidity using JSON objects. verify your contract on PolygonScan using PolygonScan APII like this week's course very much, because it let me learn...