选修课

In this course, we will learn about Sui’s history, object model, transaction principles, and ecosystem projects.

在 Sui 生态概念入门中，我们将了解 Sui 的背景、对象模型、交易原理以及生态项目等内容。

This course will cover common security risks and protective measures in Web3. You will learn about wallet risks, the security of private keys and mnemonics, security risks of digital signatures, common fraud tactics, and defensive measures and theft handling methods, helping you safeguard your digital assets.

本课程将介绍Web3中的常见安全风险和防护措施。您将学习钱包风险、私钥和助记词的安全、数字签名的安全风险、常见的欺诈手段，以及防御措施和被盗处理方法，帮助您保护数字资产。

This course aims to provide a comprehensive introduction to the key concepts and techniques of smart contract security. The content covers reentrancy attacks, access control, flash loan attacks, DOS attacks, transaction frontrunning, replay attacks, oracle issues, common attacks on ERC20, common attacks on NFTs, and other smart contract security issues. Through this series of courses, students will gain an in-depth understanding of various security vulnerabilities and their prevention methods, laying a solid foundation for future smart contract development and security audits.

本课程旨在全面介绍智能合约安全的关键概念和技术。课程内容涵盖重入攻击、访问控制、闪电贷攻击、DOS攻击、交易抢跑、重放攻击、预言机使用问题、ERC20常见攻击、NFT常见攻击以及其他智能合约安全问题。通过这一系列课程，学员们将深入理解各种安全漏洞及其防范方法，为未来的智能合约开发和安全审计打下坚实基础。

本课程全面介绍了以太坊平台及其应用原理，涵盖从基本概念到核心技术特性如账户模型、交易机制等。通过本课程，学习者能深入理解以太坊的技术架构及其在区块链领域的应用。

This course provides a comprehensive introduction to the Ethereum platform and its technical principles, covering everything from basic concepts to core technological features such as the account model and transaction mechanism. Through this course, learners will gain an in-depth understanding of Ethereum's technical architecture and its applications in the blockchain domain.

Web3 Basics is the introductory course in this series. In this class, we’ll cover relevant concepts in the Web3 domain, application scenarios, and the technologies involved. This will give you a basic understanding of the entire ecosystem before diving into Web3 development.

Web3 基础知识课程是这一系列的入门课程。在本课中，我们将介绍 Web3 领域的相关概念、应用场景，以及使用到的技术。让学生在进行 web3 开发之前，对整个生态系统有一个基本的认识。

This is the introductory course for Mantle Network. In this lesson, we will dive into foundational concepts about the Mantle Network, including layer-2 (L2), optimistic roll-up (OR), and modular blockchain, providing students with a comprehensive understanding of the ecosystem before learning the Solidity syntax and building projects on Mantle.

Mantle Network 基础概念是这一系列的入门课程。在本课中，我们将深入探讨 Mantle 网络的基本概念，包括二层网络（L2）、乐观卷叠（Optimistic Roll-up）和模块化区块链等，让学生在学习 Solidity 语法和基础知识、建设项目之前对整个生态系统有一个全面的了解。