Decentralized Electronic Health Records Management via Redactable Blockchain and Revocable IPFS

The increasing integration of the Internet of Health Things (IoHT) in the eHealth sector has significantly advanced the collection of Electronic Health Records (EHR). While blockchain technology offers enhanced data integrity and traceability for EHR, its inherent immutability often clashes with use...

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Published in:IEEE/ACM Conference on Connected Health: Applications, Systems and Engineering Technologies (Online) pp. 167 - 171
Main Authors: Guo, Hao, Li, Wanxin, Meese, Collin, Nejad, Mark
Format: Conference Proceeding
Language:English
Published: IEEE 19.06.2024
Subjects:
Blockchains
Data integrity
Data privacy
EHR Management
Electronic healthcare
Hash functions
Internet of Medical Things
Libraries
Redactable Blockchain
Revocable IPFS
ISSN:2832-2975
Online Access:Get full text
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Abstract The increasing integration of the Internet of Health Things (IoHT) in the eHealth sector has significantly advanced the collection of Electronic Health Records (EHR). While blockchain technology offers enhanced data integrity and traceability for EHR, its inherent immutability often clashes with user concerns regarding security and privacy and prevents records from being securely updated. To address these challenges, our paper presents an innovative redactable blockchain mechanism tailored for EHR management. This approach leverages a decentralized, attribute-based chameleon hash function, enabling transaction-level redactions without succumbing to the vulnerabilities of a single point of failure. We implemented the proposed system based on the Charm cryptographic library and revocable IPFS scheme. The Chameleon hash function can support redactable operation for on-chain EHR-related information in seconds level. We also conducted extensive experiments on blockchain performance and IPFS performance, highlighting that the proposed redactable blockchain is efficient in practice for EHR management.
AbstractList The increasing integration of the Internet of Health Things (IoHT) in the eHealth sector has significantly advanced the collection of Electronic Health Records (EHR). While blockchain technology offers enhanced data integrity and traceability for EHR, its inherent immutability often clashes with user concerns regarding security and privacy and prevents records from being securely updated. To address these challenges, our paper presents an innovative redactable blockchain mechanism tailored for EHR management. This approach leverages a decentralized, attribute-based chameleon hash function, enabling transaction-level redactions without succumbing to the vulnerabilities of a single point of failure. We implemented the proposed system based on the Charm cryptographic library and revocable IPFS scheme. The Chameleon hash function can support redactable operation for on-chain EHR-related information in seconds level. We also conducted extensive experiments on blockchain performance and IPFS performance, highlighting that the proposed redactable blockchain is efficient in practice for EHR management.
Author Li, Wanxin
Meese, Collin
Guo, Hao
Nejad, Mark
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  givenname: Wanxin
  surname: Li
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  givenname: Collin
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  fullname: Nejad, Mark
  email: nejad@udel.edu
  organization: University of Delaware,Department of Civil and Environmental Engineering,U.S.A
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Snippet The increasing integration of the Internet of Health Things (IoHT) in the eHealth sector has significantly advanced the collection of Electronic Health Records...
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StartPage 167
SubjectTerms Blockchains
Data integrity
Data privacy
EHR Management
Electronic healthcare
Hash functions
Internet of Medical Things
Libraries
Redactable Blockchain
Revocable IPFS
Title Decentralized Electronic Health Records Management via Redactable Blockchain and Revocable IPFS
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