{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What is the purpose of the ERC721Base contract?","a":"The ERC721Base contract is a smart contract based on the Ethereum blockchain, whose main function is to implement the creation, issuance, and management of Non-Fungible Tokens (NFTs). ERC721 is a token standard that defines how to create digital assets with unique attributes and value on a blockchain platform. By using the ERC721Base contract, developers can easily create digital assets with unique identification, rarity, and traceability to meet the needs of various application scenarios, such as virtual  goods, artworks, collectibles, etc. Meanwhile, these contracts enable decentralized transactions, pledging, and other functions."}]}],"pr":"083c5d0561a4089c78adda371d7a18a64482652c62bdcc9c69fdc3d50ca4c6b2"}