ERC721
EIP-721: Non-Fungible Token Standard
とりあえずメタデータ部分知りたい
ERC721Metadata
The metadata extension is OPTIONAL for ERC-721 smart contracts (see “caveats”, below). This allows your smart contract to be interrogated for its name and for details about the assets which your NFTs represent.
name, symbol, tokenURI
ERC721 Metadata JSON Schema
name, discription, image