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 implementation. ERC-721 provides core methods that allow tracking the owner of a unique identifier, as well as a permissioned way for the owner to transfer the asset to others

The ERC-1155 standard offers "semi-fungibility", as well as providing an analogue to ERC-721 functionality (meaning that an ERC-721 asset can be built using ERC-1155). Unlike ERC-721 where a unique ID represents a single asset, the unique ID of an ERC-1155 token represents a class of assets, and there is an additional quantity field to represent the amount of the class that a particular wallet has.Assets of the same class are interchangeable, and a user can transfer any amount of assets to others