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Towards Secure and Privacy-Preserving Data Sharing in e-Health Systems via Consortium Blockchain.

Electronic health record sharing can help to improve the accuracy of diagnosis, where security and privacy preservation are critical issues in the systems. In recent years, blockchain has been proposed to be a promising solution to achieve personal health information (PHI) sharing with security and...

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Published in:Journal of Medical Systems Vol. 42; no. 8; pp. 1 - 2
Main Authors: Zhang, Aiqing, Lin, Xiaodong
Format: equations & formulas tables/charts Journal Article
Published: Springer Nature Aug2018
Online Access:View this record in EBSCOhost
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      dt: Aug2018
      vid: 42
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      pub: Springer Nature
      place: New York, New York
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        10.1007/s10916-018-0995-5
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        atl: Towards Secure and Privacy-Preserving Data Sharing in e-Health Systems via Consortium Blockchain.
      aug:
        au:
          Zhang, Aiqing
          Lin, Xiaodong
        affil: College of Physics and Electronic Information, Anhui Normal Univresity, 241000, Wuhu, Anhui, China
      sug:
        subj:
          Data Security
          Data Communications
          Electronic Health Records
          Quality Improvement
          Privacy and Confidentiality
          Medical Records, Personal
          Databases
      ab: Electronic health record sharing can help to improve the accuracy of diagnosis, where security and privacy preservation are critical issues in the systems. In recent years, blockchain has been proposed to be a promising solution to achieve personal health information (PHI) sharing with security and privacy preservation due to its advantages of immutability. This work proposes a blockchain-based secure and privacy-preserving PHI sharing (BSPP) scheme for diagnosis improvements in e-Health systems. Firstly, two kinds of blockchains, private blockchain and consortium blockchain, are constructed by devising their data structures, and consensus mechanisms. The private blockchain is responsible for storing the PHI while the consortium blockchain keeps records of the secure indexes of the PHI. In order to achieve data security, access control, privacy preservation and secure search, all the data including the PHI, keywords and the patients’ identity are public key encrypted with keyword search. Furthermore, the block generators are required to provide proof of conformance for adding new blocks to the blockchains, which guarantees the system availability. Security analysis demonstrates that the proposed protocol can meet with the security goals. Furthermor, we implement the proposed scheme on JUICE to evaluate the performance.
      pubtype: Academic Journal
      doctype:
        equations & formulas
        tables/charts
        Journal Article
      ougenre: Article
    language: English
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