Research on the Blockchain-Based Privacy Protection for Internet Financial Product Recommendation Systems

Internet financial product recommendation systems can solve the problem of personalized differences among users in choosing financial products, but accurate recommendation needs to collect a large amount of privacy information of users. Nowadays, the situation of privacy information leakage is very serious, and the situation of reselling information, spam messages and harassing calls on the Internet is becoming increasingly serious. On the basis of discussing the privacy protection strategy of recommendation system, this paper analyzes the advantages of blockchain in protecting users’ privacy, and designs a new operating mechanism of financial product recommendation system based on blockchain technology. Blockchain encryption mechanism, smart contract and other technologies can ensure financial users to control their own information in the process of submitting, sharing and obtaining recommendation results, and ensure users’ privacy and fairness of recommendation results.