Blockchain Technology and Its application Research in Supply Chain Financial Risk Control

China's economy is in a critical period of transformation and upgrading, and the financial industry has also entered a deep reform zone. It is necessary to improve financial services to better assist the development of SMEs. Difficult and expensive financing has always been a problem faced by SMEs in the development process. Supply chain finance provides important financial support for financing difficulties of SMEs. In the process of continuous development of industrial upgrading, the development model of supply chain finance has also become more diversified. It is necessary to improve the current operation mode of supply chain finance. Blockchain technology has been developing rapidly. Relying on its characteristics of decentralization, non-tampering, smart contracts, etc., the research of various "blockchain +" scenarios continues to bring forth new ideas, which can effectively solve the practical application of supply chain finance Existing risk issues. This paper studies the technical principles and characteristics of blockchain, analyzes the current situation of supply chain financial risk management and control, and discusses the use of blockchain technology in supply chain financial risk management and control.