Learning Objectives:

  • Define DeFi and understand its core components.

  • Explain how DeFi differs from traditional finance.

  • Analyse DeFi applications: lending, borrowing, trading, and yield farming.

  • Understand the opportunities and risks of DeFi.

4.1 What is DeFi?

Decentralised Finance (DeFi) refers to financial services built on blockchain networks that operate without traditional intermediaries like banks. The Hong Kong Peak course covers “Decentralized Finance (DeFi) and Traditional Finance: Opportunities and Challenges” as a core topic . The UCL module includes “reviewing the evolution of the sector in the Decentralised Finance area (DeFi)” as part of its curriculum .

Key Components of DeFi:

  • Decentralised Exchanges (DEXs): Platforms for trading crypto-assets without a central authority.

  • Lending and Borrowing Protocols: Automated lending and borrowing through smart contracts.

  • Stablecoins: Crypto-assets designed to maintain a stable value.

  • Yield Farming: Earning rewards by providing liquidity to DeFi protocols.

4.2 DeFi vs. Traditional Finance

The Hong Kong Peak course contrasts DeFi and traditional finance, examining the opportunities and challenges . First Citizens Group notes that “DeFi platforms use blockchain-based smart contracts… to offer financial services without relying on traditional intermediaries” and that “the growth of DeFi challenges the traditional role of banks as financial intermediaries” .

Key Differences:

  • Intermediation: DeFi eliminates intermediaries; traditional finance relies on banks and brokers.

  • Access: DeFi is permissionless; traditional finance requires KYC and account opening.

  • Transparency: DeFi is transparent; traditional finance has limited transparency.

  • Innovation: DeFi enables rapid innovation; traditional finance is constrained by regulation and legacy systems.

4.3 Opportunities and Challenges

Opportunities:

  • Financial Inclusion: Access to financial services for the unbanked.

  • Efficiency: Automated processes reduce costs and intermediaries.

  • Innovation: Rapid development of new financial products.

Challenges:

  • Cybersecurity Vulnerabilities: The Hong Kong Peak course covers these as part of its curriculum .

  • Regulatory Uncertainty: The legal status of DeFi remains unclear in many jurisdictions.

  • Smart Contract Failures: The Hong Kong Peak course notes “potential smart contract failures” as a risk .

  • Systemic Risk: As the First Citizens Group notes, “there are also significant risks, including cybersecurity vulnerabilities, regulatory uncertainty, and potential smart contract failures” .

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