W3-1 OpenZepplin Posted Mar 12, 2022 Updated Mar 17, 2025 By LL 1 min read W3-1 OpenZepplin Contents W3-1 OpenZepplin 功能token:包含 ERC20、ERC721、ERC777、ERC1155 代币access: 合约函数访问控制功能utils:实现⼀些⼯具库,如判断是否为合约地址、数学函数等。proxy:升级代理 Develop, SmartContract defi ethereum okex learn solidity This post is licensed under CC BY 4.0 by the author. Share