Building a Credit Risk Data Management and Analysis System for Financial Markets Based on Blockchain Data Storage and Encryption Technology

As financial markets become increasingly complex, credit risk management has grown more critical and challenging. The traditional approach has a number of shortcomings in the management and analysis of credit risk data. In this paper, we explore the feasibility of using blockchain technology to build a new credit risk data management and analysis system. We studied those key features and awesome things of blockchain technology (such as decentralisation, immutability and cryptographic storage). Based on these, a multi-tier system solution built with blockchain was figured out. This system is like building blocks, with a data layer, a network layer, a consensus layer, a contract layer, and an application layer. And the key technologies and implementation mechanisms of each layer are elaborated in detail. In addition to this, the application effect of the system is verified with practical cases. It is found that using blockchain technology, credit risk data management becomes more secure and personal information is better protected, while reducing the risk of information asymmetry. The advantages of this system in terms of making data more reliable and risk management more efficient are particularly evident through practical cases. In this way, the development of the financial market has a more solid backing and can move forward more steadily. Blockchain technology has great opportunities for development in managing credit risk, and can help us create a data management and analysis platform that is both secure and efficient. Future research could further explore the integration of blockchain with other emerging technologies, working together to improve the overall effectiveness of financial risk management.