2018年-WEF世界经济论坛_Blockchain_Beyond_the_Hype_12页_383kb

Blockchain Beyond the Hype: A Practical Framework for Business Leaders

Core Content

This white paper provides a practical framework for business leaders to evaluate whether blockchain technology is suitable for their specific business needs. It emphasizes that blockchain is a tool, not a solution in itself, and should be assessed based on its alignment with real-world problems and economic rationale. The document outlines the different types of distributed ledger technologies (DLT), a decision tree for evaluating use cases, and real-world examples of blockchain applications.

Main Points

• Blockchain is a Technology, Not a Panacea: The paper argues that blockchain should not be viewed as a universal solution to all business problems. It is a tool that must be evaluated in the context of the specific problem it is intended to solve.
• Blockchain's Unique Value: Unlike previous technologies that focused on information exchange, blockchain enables value exchange without intermediaries. It is particularly suited for scenarios involving digital assets and trustless environments.
• Decision Tree for Blockchain Evaluation: A structured set of questions is provided to help executives determine if blockchain is appropriate for a given problem. The key factors include the need for intermediaries, the nature of the assets involved, the requirement for a permanent record, and the speed of transactions.
• Types of DLT:
  • Permissionless, Public Systems: Open to all, with no single owner. Examples include Bitcoin and Ethereum.
  • Permissioned, Public Systems: Whitelisted access, but all transactions are public. Used in government applications.
  • Permissioned, Private Systems: Whitelisted access, with one or more owners. Often used in consortiums.

Key Information

• Blockchain is not for all problems: The paper highlights that blockchain is best suited for use cases involving digitally native assets, shared write access, minimal trust, and public transactions.
• Use Case: Distributed GPUs:
  • A company uses blockchain to access idle GPUs globally, creating a token-based system that allows for efficient and cost-effective rendering.
  • The solution requires public, permissionless blockchain due to the need for transparency and open participation.
  • No intermediaries are needed, and the system leverages open marketplace mechanisms.
• Use Case: Medical Insurance:
  • Blockchain is proposed to track claims and reduce fraud, but it fails to meet the requirements of the decision tree due to the need for regulatory oversight and privacy protection.
  • The paper suggests that private, permissioned DLT may be more appropriate for this case, but only if regulation by design is integrated from the start.
• Security and Regulation Considerations: The paper stresses the importance of considering security, cost, and regulatory environments when deploying blockchain. It also notes that non-transactional data should not be stored on the blockchain due to privacy and compliance concerns.
• Future Development: The World Economic Forum and Imperial College London are working on customized blockchain toolkits for different industries and use cases.

Conclusion

The paper advocates for a practical and objective approach to blockchain adoption. It encourages leaders to focus on the business problem rather than the hype, and to consider the specific benefits and limitations of blockchain before deployment. The decision tree and use cases serve as guiding tools for evaluating the appropriateness of blockchain in different contexts.