Abstract
Emerging technologies such as Internet of Things (IoT), Cloud Computing and Artificial Intelligence, have made it possible for healthcare institutions to provide high-quality and innovative services. However, the massive amount of data produced by IoT devices has introduced several issues related to security and management. Besides, medical data when stored in a centralized manner may lead to problems in efficiency. Therefore, this article proposes a system design integrating edge computing paradigm, blockchain technology and InterPlanetary File System (IPFS) to provide data confidentiality and integrity, fine-grained access control and real-time data processing. Based on a review on the state-of-the-art of blockchain-based solutions, we identified the research gaps and inspired a distributed system where blockchain technology is used to ensure data integrity and traceability, smart contracts guarantee a fine-grained access control and IPFS offers a distributed file storage and avoids the single point-of-failure. Finally, to ensure that eHealth emergency data are processed in real-time, an edge layer is integrated to evaluate the collected data from IoT devices. Thus, we guarantee that medical data are processed during their whole lifecycle.
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