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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Vydáno v:Journal of medical systems Ročník 42; číslo 8; s. 140 - 18
Hlavní autoři: Zhang, Aiqing, Lin, Xiaodong
Médium: Journal Article
Jazyk:angličtina
Vydáno: New York Springer US 01.08.2018
Springer Nature B.V
Témata:
ISSN:0148-5598, 1573-689X, 1573-689X
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Abstract 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.
AbstractList 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.
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.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.
ArticleNumber 140
Author Zhang, Aiqing
Lin, Xiaodong
Author_xml – sequence: 1
  givenname: Aiqing
  orcidid: 0000-0001-5286-188X
  surname: Zhang
  fullname: Zhang, Aiqing
  email: aqzhang2006@163.com
  organization: College of Physics and Electronic Information, Anhui Normal Univresity
– sequence: 2
  givenname: Xiaodong
  surname: Lin
  fullname: Lin, Xiaodong
  organization: Faculty of Science, Wilfrid Laurier University
BackLink https://www.ncbi.nlm.nih.gov/pubmed/29956061$$D View this record in MEDLINE/PubMed
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ContentType Journal Article
Copyright Springer Science+Business Media, LLC, part of Springer Nature 2018
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Issue 8
Keywords Privacy preservation
Security
e-Health
Personal Health Information (PHI)
Blockchain
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SubjectTerms Access control
Blockchain
Blockchain-based Medical Data Management System: Security and Privacy Challenges and Opportunities
Consortia
Cryptography
Cybersecurity
Data retrieval
Data structures
Diagnosis
Electronic medical records
Health
Health Informatics
Health Sciences
Medicine
Medicine & Public Health
Occupational health
Performance indices
Personal health
Preservation
Privacy
Security
Statistics for Life Sciences
Systems-Level Quality Improvement
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Title Towards Secure and Privacy-Preserving Data Sharing in e-Health Systems via Consortium Blockchain
URI https://link.springer.com/article/10.1007/s10916-018-0995-5
https://www.ncbi.nlm.nih.gov/pubmed/29956061
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