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July 23, 2026Journal of Cyber Security Technology

A secure, transparent, and decentralised framework for cross-domain healthcare data sharing using blockchain-based EHRs

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Authors

RKRiaz Ullah KhanRKRajesh KumarASAbu Bakar Sharif

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Overview

Randomized trial demonstrates enhanced security and interoperability in decentralized healthcare systems, indicating significant improvements over current methods.

Key Points

  • The aim is to create a blockchain-based framework for secure and interoperable sharing of Electronic Health Records across healthcare domains.
  • Developed a blockchain-based EHR framework incorporating post-quantum cryptography and HL7 FHIR standards.
  • Implemented smart contracts for access control with HotStuff BFT consensus achieving 928 TPS at 2.1 s finalization.
  • Tested on a 20-node system while evaluating data sharing efficiency and security enhancements.
  • Achieved 20× higher throughput and resistance to quantum threats compared to existing systems.
  • Reduced normalization efforts by 40% through multi-hop exchange across three hospitals.
  • Sustained 620 TPS with 500 ms latency and maintained 95% storage efficiency via cryptographic pointers.

Cite This Study

Khan et al. (2026) studied this question.

synapsesocial.com/papers/6a61b02ffaa9903c5116acb6https://doi.org/10.1080/23742917.2026.2706567
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1A Post‐Quantum Secure Proof‐of‐Trust Blockchain Framework for Scalable and Trusted EHR Communication Systems2026
  2. 2Blockchain-Based Healthcare Records Management Framework: Enhancing Security, Privacy, and Interoperability2024 · 51 citations
  3. 3Decentralized Privacy Preserving Data Sharing Model for Electronic Health Records (EHR) Using Blockchain Technology2026
  4. 4Blockchain and InterPlanetary Framework for Decentralized and Secure Electronic Health Record Management2025 · 2 citations
  5. 5Revolutionizing Healthcare Record Management: Secure Documentation Storage and Access through Advanced Blockchain Solutions2025