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Blockchain-Based Medical Records Secure Storage and Medical Service Framework


Accurate and complete medical data are one valuable asset for patients. Privacy protection and the secure storage of medical data are crucial issues during medical services. Secure storage and making full use of personal medical records has always been a concern for the general population. The emergence of blockchain technology brings a new idea to solve this problem. As a hash chain with the characteristics of decentralization, verifiability and immutability, blockchain technology can be used to securely store personal medical data. In this paper, we design a storage scheme to manage personal medical data based on blockchain and cloud storage. Furthermore, a service framework for sharing medical records is described. In addition, the characteristics of the medical blockchain are presented and analyzed through a comparison with traditional systems. The proposed storage and sharing scheme does not depend on any third-party and no single party has absolute power to affect the processing.

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This work is partly supported by the National Natural Science Foundation of China (Grant No. 71571058 and 71690235), Anhui Provincial Science and Technology Major Project (Grant No. 16030801121 and 17030801001), CCF-Venustech Open Research Fund (Grant No. CCF-VenustechRP2017006).


This study was funded by the National Natural Science Foundation of China (Grant No. 71571058 and 71690235), Anhui Provincial Science and Technology Major Project (Grant No. 16030801121 and 17030801001), CCF-Venustech Open Research Fund (Grant No. CCF-VenustechRP2017006).

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Correspondence to Shuai Ding or Zheng Xu.

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The authors declare that they have no conflict of interest.

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This article does not contain any studies with human participants or animals performed by any of the authors.

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Informed consent was obtained from all individual participants included in the study.

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This article is part of the Topical Collection on Patient Facing Systems

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Chen, Y., Ding, S., Xu, Z. et al. Blockchain-Based Medical Records Secure Storage and Medical Service Framework. J Med Syst 43, 5 (2019).

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  • Medical data
  • Blockchain technology
  • Medical data sharing
  • Medical data storage
  • Medical service