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MedAccessX: A Blockchain-Enabled Dynamic Access Control Framework for IoMT Networks.

Guoyi Shi1, Minfeng Qi1, Qi Zhong1

  • 1Faculty of Data Science, City University of Macau, Macau 999078, China.

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Summary
This summary is machine-generated.

This study introduces MedAccessX, a blockchain-based framework for secure Internet of Things (IoT) healthcare data access. MedAccessX enhances data privacy and overcomes limitations of traditional systems, improving efficiency and security.

Keywords:
ABACRBACaccess controlblockchain

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Area of Science:

  • Computer Science
  • Healthcare Technology
  • Cybersecurity

Background:

  • Internet of Things (IoT) integration in healthcare improves efficiency but introduces data privacy risks and abuse.
  • Existing IoT data access frameworks face challenges like centralization, scalability issues, and static permissions.

Purpose of the Study:

  • To propose MedAccessX, a novel blockchain-based access control framework for healthcare IoT data.
  • To enhance data privacy, security, and overcome limitations of traditional access control models.

Main Methods:

  • Developed MedAccessX, a framework combining attribute-based access control (ABAC) and role-based access control (RBAC).
  • Utilized four smart contracts: User Management Contract (UMC), Medical Data Management Contract (MDMC), Policy Contract (PC), and Access Control Contract (ACC).
  • Evaluated the framework on a private Ethereum blockchain network, assessing security, cost, gas consumption, throughput, and response time.

Main Results:

  • MedAccessX demonstrated lower deployment costs compared to existing solutions.
  • The framework achieved higher throughput, indicating improved performance.
  • Security, gas consumption, and response time were evaluated, showing competitive results.

Conclusions:

  • MedAccessX offers a robust and efficient solution for secure access control in healthcare IoT environments.
  • The blockchain-based approach effectively addresses privacy risks and limitations of traditional frameworks.
  • MedAccessX provides a scalable and secure alternative for managing sensitive medical data access.