Specific token standards support various blockchain use-cases. Ethereum was the first blockchain to support NFTs with its ERC-721 standard and this is currently the most widely used. Many other blockchains have added or plan to add support for NFTs ERC-721 was the first standard for representing non-fungible digital assets on the Ethereum blockchain. ERC-721 is an inheritable standard; "inheritable" means that developers can create new ERC-721-compliant contracts by copying from a reference i...