English :
Creation of ERC721 tokens (NFTs) with Solidity -Interfaces -Relevant functions -Token generation -Update and management of the economy of NFTs tokens -Obtaining the owners of the NFTs -Generation of payments and extraction of benefits -Level up the nft token
Libraries used: @Oppenzeppelin import "@openzeppelin/contracts@4.4.2/token/ERC721/ERC721.sol"; import "@openzeppelin/contracts@4.4.2/access/Ownable.sol";