The aim of this paper is to propose a Healthcare systems model based on the combination of Blockchain, Big Data, and IoT technologies. A literature review was carried out to highlight the benefits of the combination of these technologies in terms of decentralization, security, privacy, and data integrity taking into account the constraints required by a medical system as a sensitive data area. Meanwhile, a list of the principal categories of participants in the healthcare system was drawn up. In addition, the current solutions in the healthcare system were analyzed. Finally, the structure and the implementation of our healthcare systems model were detailed based on the combination of the trending trio (Blockchain, Big Data, IoT), and their efficiency via a robustness analysis.
Key words: Block chain, Smart Contract, Big Data·IoT·Healthcare
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