A blockchain-based healthcare data marketplace: prototype and demonstration
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Updated: Jun 28, 2025

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Published on: April 12, 2021
KangHyun Kim1, Sung-Min Kim1, YoungMin Park1
1Department of Biomedical Informatics, CHA University School of Medicine, CHA University, Seongnam-si, 13488, South Korea.
Objectives:
This study aimed to develop healthcare data marketplace using blockchain-based B2C model that ensures the transaction of healthcare data among individuals, companies, and marketplaces.
Materials And Methods:
We designed an architecture for the healthcare data marketplace using blockchain. A healthcare data marketplace was developed using Panacea, MySQL 8.0, JavaScript library, and Node.js. We evaluated the performance of the data marketplace system in 3 scenarios.
Results:
We developed mobile and web applications for healthcare data marketplace. The transaction data queries were executed fully within about 1-2 s, and approximately 9.5 healthcare data queries were processed per minute in each demonstration scenario.
Discussion:
Blockchain-based healthcare data marketplaces have shown compliance performance in the process of data collection and will provide a meaningful role in analyzing healthcare data.
Conclusion:
The healthcare data marketplace developed in this project can iron out time and place limitations and create a framework for gathering and analyzing fragmented healthcare data.
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