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Secure and Scalable mHealth Data Management Using Blockchain Combined With Client Hashchain: System Design and
Tomomitsu Motohashi1, Tomonobu Hirano1, Kosuke Okumura1
1SUSMED, Inc, Tokyo, Japan.
Journal of Medical Internet Research
|May 18, 2019
Summary
This study introduces a secure mobile health (mHealth) system using blockchain technology and client hashchains. The system ensures data reliability and scalability for medical practice, validated in insomnia treatment trials.
Area of Science:
- Digital Health
- Blockchain Technology
- Data Security
Background:
- Blockchain offers secure, fault-tolerant, and tamper-resistant data management for medical practice.
- Mobile health (mHealth) systems can leverage blockchain for enhanced data reliability without third-party intermediaries.
- Challenges include ensuring data reliability before blockchain registration and authenticating mobile devices.
Purpose of the Study:
- To design and validate an mHealth system integrating blockchain for secure and scalable medical data management.
- To address the compatibility of security and scalability in mHealth data handling.
Main Methods:
- Developed an mHealth system transmitting medical data via relay servers to a blockchain network.
- Implemented client-side hashchain calculations on mobile devices to ensure data reliability.
- Registered hash values and data on the blockchain for enhanced security and operational convenience.
Main Results:
- The mHealth system was successfully deployed for insomnia treatment, registering patient data on the blockchain.
- Client hashchains were effectively utilized to validate data integrity.
- The system demonstrated effectiveness in identifying fraudulent data through simulated access.
Conclusions:
- The proposed mHealth system, combining blockchain with client hashchain, achieves compatible security and scalability.
- This approach enhances the reliability and integrity of medical data within mHealth applications.
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