A Decentralized Secure Blockchain-based Privacy-Preserving Healthcare Clouds and Applications

In recent times, Blockchain (BC) technology has been one of the fastest-growing technologies poised to perform a significant role in the near future. In the age of Cloud Computing (CC) solutions, the Internet of Things (IoT), and big data analytics, BC guarantees data safety, transaction security, and self-regulation development. CC solutions initiated its role in the health industry due to its flexibility and efficient energy consumption paradigm. Nevertheless, CC operations have an issue with preserving confidential data and sharing patients' critical medical data with other healthcare facilities. BC provides solutions in regard to cloud protection and privacy issues of such decentralization features coupled with information protection and privacy, while the cloud contributes towards the resolution of BC's measurability and efficiency difficulties, thereby introducing the idea of an innovative BC-Cloud integration to track and preserve the electronic health records of patients in a reliable manner. In this paper, we present a BC-cloud combination for the electronic healthcare service to provide healthcare officials with the impulses following the rise of this most delinquent model, propose an arrangement of surviving structures, and their applicability for more reliable medical healthcare services. We then evaluate the improvement stages and co-operations and focus on the analysis difficulties for the combined BC-cloud structure, potential solutions, and prospective analysis objectives. This paper's outcome will benefit the health service enterprise to create and improve data administration systems to address patient concerns reliably.