A token standard specifies the characteristics of the smart contract and the token it issues. On various blockchains, there are numerous different standards. The distinction between fungible and non-fungible tokens would be the simplest classification. Token standards establish a consistent set of guidelines—or, in this case, code—that permit: Integration across a variety of platforms is simple. Interoperability. Expanded utility worth and organization impact, as the token can be utilized in additional spots/for additional applications. Popular token standards that NFT developers must be aware of include- ERC 721 ERC 223 ERC 827 ERC 777 ERC 1155 ERC 1137 ERC 998 ERC 875 ERC 865