Abstract
Aiming at the problems of information storage security and information sharing among various medical information systems, combined with blockchain consensus mechanism, encryption mechanism, peer-to-peer network, and other technologies. A medical information system scheme based on blockchain is proposed to realize the storage and sharing of medical information. The program has the characteristics of non-tampering and decentralization. This paper has designed a Practical Byzantine fault tolerance (PBFT) medical blockchain information management system. This system is multi-node maintenance and shared management system that can prevent medical information data from being tampered with and medical information leakage. It can be used to solve Medical information data management problems. Compared with the existing medical blockchain system, this medical information management system has certain advantages and better applicability.
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