In this paper, we propose a health data sharing infrastructure which aims to empower a democratic health data sharing ecosystem. Our project, named Health Democratization (HD), aims at enabling seamless mobility of health data across trust boundaries through addressing structural and functional challenges of its underlying infrastructure with the core concept of data democratization. A programmatic design of an HD platform was elaborated, followed by an introduction of one of our critical designs-a "reverse onus" mechanism that aims to incentivize creditable data accessing behaviors. This scheme shows a promising prospect of enabling a democratic health data-sharing platform.

1st Medical Faculty Charles University 12800 Prague Czech Republic

Department of Information Security and Communication Technology Norwegian University of Science and Technology 2815 Gjøvik Norway

eHealth Competence Center Bavaria Deggendorf Institute of Technology 94469 Deggendorf Germany

Medical Faculty University of Regensburg 93053 Regensburg Germany

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