Using Pinata Submarine, Hardhat, and Ethers.js — NFTs aren’t just digital pieces of art. They are layered mechanisms for proving ownership, access, rights, and more. NFT avatars (sometimes knows as PFP—ProFile Picture) have been one of the most popular use cases for NFTs. You can see this with CryptoPunks, Bored Ape Yacht Club (BAYC), and more. But…