Research on Data Security Sharing in Blockchain: Challenges and Prospects

With the rapid development of blockchain technology, data sharing has been widely studied in academia and industry in recent years, and a series of important achievements have been made. At present, there is a security problem of data sharing in blockchain technology. Firstly, it summarizes the data security sharing. Then, the data security sharing is divided into three aspects: confidentiality, integrity and availability, and the existing challenges and corresponding solutions are analyzed. Finally, the development status and trend of data security sharing in blockchain are summarized, and the important research directions in the future are prospected.