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Related Experiment Video

Updated: Oct 7, 2025

TBase - an Integrated Electronic Health Record and Research Database for Kidney Transplant Recipients
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SEMRES - A Triple Security Protected Blockchain Based Medical Record Exchange Structure.

Yen-Liang Lee1, Hsiu-An Lee2, Chien-Yeh Hsu3

  • 1Graduate Institute of Biomedical Informatics, Taipei Medical University, Taipei, Taiwan; Internet of Things Laboratory, Chunghwa Telecom Laboratories, Tao Yuen, Taiwan.

Computer Methods and Programs in Biomedicine
|January 9, 2022
PubMed
Summary

This study introduces a triple encryption system for electronic medical records (EMR) using blockchain for secure data exchange. This ensures data privacy, correctness, and security in healthcare systems.

Keywords:
BlockchainData exchangeEMR ProtectionEncryptionSecurity

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Area of Science:

  • Health Informatics
  • Cybersecurity
  • Blockchain Technology

Background:

  • The COVID-19 pandemic highlighted critical gaps in medical service capacity and the importance of secure clinical data exchange.
  • Key concerns in medical records include data privacy, correctness, and security, especially for cross-agency data sharing.
  • Existing systems often struggle to balance data accessibility with robust protection of sensitive health information.

Purpose of the Study:

  • To develop a secure architecture for medical data exchange and application.
  • To create a triple encryption authentication system for personal electronic medical records (EMR).
  • To enable secure and easy sharing of medical records between data owners and healthcare providers.

Main Methods:

  • Implemented a combined encryption and decryption architecture using hybrid AES and RSA encryption for EMRs.
  • Developed a decentralized EMR repository with data decryption and exchange mechanisms.
  • Utilized blockchain to store EMR hash values, ensuring data correctness verification post-transmission.

Main Results:

  • An efficient triple encryption mechanism for electronic medical records (EMR) was successfully developed.
  • The system, SEMRES, ensures data correctness and non-repudiation through blockchain technology.
  • Established an integrated information security and data verification architecture for secure medical data exchange.

Conclusions:

  • A comprehensive security architecture for medical data has been established.
  • The triple encryption authentication architecture facilitates secure sharing of personal medical records.
  • The system enhances trust and efficiency in medical data management and healthcare services.