earticle

영어

Blockchain requires more time to share transactions with nodes in the network after block generation, as the number of nodes increases. Therefore, there is a scalability problem that can not store large data such as images, movies, and documents in blocks. In recent years, distributed storage based on distributed blockchain has emerged, but research on shared file encryption key management and sharing is still lacking. Therefore, in this paper, we propose Shamir's secret sharing method by dividing the encryption key for the file among the people who have access to the blockchain-based file sharing system.