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【课堂-进阶教程】什么是COTI？

COTI is a blockchain ecosystem tailored to contemporary transaction needs. It leverages the Trustchain Protocol to eliminate intermediaries and combines Directed Acyclic Graph (DAG) technology with its Proof-of-Traffic (PoT) consensus mechanism. This addresses high costs and inefficiencies in both Centralized Finance (CeFi) and Decentralized Finance (DeFi), enabling it to process up to 100,000 transactions per second at high performance. Through its MultiDAG layer, COTI empowers users to create custom DAG sub-networks, issue stablecoins, and other digital currencies while introducing vault incentives to boost community engagement. Focusing on technological innovation, expanding partnerships, enhancing DeFi integration with payment scenarios, and refining community governance and incentive structures, COTI aspires to become a next-generation, efficient, inclusive, and compliant financial infrastructure.

What Is COTI?

【课堂-进阶教程】什么是智能合约安全审计？

This article delves into the pivotal role of smart contract security audits in the realm of decentralized finance (DeFi) and their operational context. A crucial step for ensuring code quality and user fund safety, especially in high-value trading and large user base DeFi projects, smart contract auditing is indispensable. The text elaborates on the four main stages of the process: initial analysis, feedback and remediation, iterative auditing, and issuance of audit reports, highlighting its significance as a reference for investors' decision-making. It also underscores the necessity and urgency of these audits in mitigating potential risks, enhancing code integrity, and fostering the healthy development of the blockchain ecosystem.

What Is a Smart Contract Security Audit?

【课堂-进阶教程】包装以太币 (WETH)：概念与包装方式

This article explores how Ethereum's native asset ETH is transformed into WETH, an ERC-20 compliant token, to achieve seamless integration with DeFi applications. WETH, functioning as a 1:1 value-pegged ERC-20 token to ETH, enables the circulation and utilization of Ether on various decentralized platforms supporting this standard, encompassing domains such as lending, trading, and liquidity mining. The paper delves into the intricacies of WETH's generation mechanism and presents a streamlined workflow for practical implementation, emphasizing its crucial role in maintaining price stability, providing liquidity, and expanding Ether's utility within the DeFi ecosystem.

Wrapped Ether (WETH): Concept and Operational Practice

【课堂-新手攻略】加密货币支付详解

This article explores how cryptocurrencies are gradually becoming a daily payment tool, simplifying transaction processes through innovative services such as payment gateways and cryptocurrency cards. It also analyzes the advantages and challenges, as well as the impact of global policies on cryptocurrency payments. Finally, it points out that with the innovation of products and services, such as the launch of LBank's unlimited cryptocurrency credit card, cryptocurrency payments will continue to broaden their application scenarios and deepen financial market reforms under regulatory compliance.

Cryto Payment: Convenient, Fast, and Secure

【课堂-新手攻略】什么是加密货币空投？

This article examines the mechanism and application of cryptocurrency airdrops as a promotional tool for enhancing visibility. Projects distribute tokens to users free of charge to attract attention and participation, thereby expanding their market reach. Airdrops come in various forms, including unconditional giveaways, task-driven distributions, and targeted offerings to specific user groups. It emphasizes the need to distinguish between genuine and fake airdrops while enjoying their benefits and being aware of potential risks.

What Is a Crypto Airdrop?

【课堂-进阶教程】加密货币借贷及其运作原理

This article provides a comprehensive overview of the innovative financial product known as cryptocurrency lending, which enables users to generate returns or fulfill funding needs by either lending out or collateralizing their digital assets. It delves into the characteristics and applications of two primary lending formats—Flash Loans and Collateralized Loans—examining their respective advantages and disadvantages. These include rapid access to capital, efficiency gains from automated management, and risks associated with market price fluctuations and smart contract security issues. The text further illustrates how various cryptocurrency lending services operate and cater to different user segments through examples such as Aave, Abracadabra, and LBank. Finally, it emphasizes crucial considerations for investors to weigh before engaging in cryptocurrency lending, ultimately facilitating informed decision-making.

Analyzing Risks and Returns of Cryptocurrency Lending

【课堂-进阶教程】Algorand (ALGO) 是什么？

This article delves into the Algorand blockchain project, which revolutionizes the tradeoff between decentralization and scalability with its innovative Pure Proof-of-Stake consensus mechanism. Founded by Professor Silvio Micali, the Algorand network offers public, decentralized services that support smart contracts and have found applications in financial services, DeFi, and various institutional settings. The Algorand Foundation, a driving force within the ecosystem, focuses on technological advancement, community growth, and governance improvements. Furthermore, the unique staking and reward system of the ALGO token attracts users, fostering prosperity throughout the ecosystem. Through technological innovation and practical applications, Algorand demonstrates strong competitiveness and vast potential in the blockchain landscape.

Algorand (ALGO) Explained

【课堂-进阶教程】如何使用Polygon桥？

This article presents the critical infrastructure known as the Polygon Bridge, which seamlessly connects the Ethereum mainchain with the Polygon scaling solution. Through the employment of smart contract technology and a distinctive dual consensus architecture, it enables instant and secure token transfers between the two networks while preserving total asset quantities. The piece delves into the operational mechanics of the Polygon Bridge, encompassing its lock-mint mechanism that ensures asset supply constancy, along with the PoS Bridge and Plasma Bridge catering to distinct asset types in cross-chain migrations. It provides a detailed walkthrough on how to conduct token transfers via wallets like MetaMask, accompanied by essential precautions. By leveraging the Polygon Bridge, users can effortlessly navigate between the Ethereum and Polygon ecosystems, enjoying enhanced transaction performance and cost efficiency.

Guide to Using Polygon Bridges

【课堂-新手攻略】什么是IDO（首次去中心化交易所发行）？

The Initial Decentralized Exchange Offering (IDO) is an emerging cryptocurrency financing method that emphasizes community-driven and decentralized features. IDO conducts the initial issuance of tokens through decentralized exchanges, which has the advantages of low cost and fast financing, but it also faces challenges such as community management and project review.

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