Every NFT is really a piece of programming code. There are standards that dictate what should and can be included in an NFT’s code. Non‐fungible tokens have certain characteristics that set them apart from regular fungible tokens. Fungible tokens on the Ethereum network are also known as ERC20 tokens. NFTs on the Ethereum network are ERC721 or ERC1155 tokens. These are different sets of standards that allow NFTs to have various functionalities and traits, as well as to allow marketplaces and ...