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3- Similar systems are compared in the comparison table to with the healthcare industry. In the quest for the healthcare
prove the proposed system's efficiency. field, the people were far more willing to access and
exchange their data safely through cloud technology without
The rest of the paper is structured as follows: Section two putting their privacy at risk. This work also found a quick
discusses the latest related work. Section three presents the and easy way to keep the patients' private information saved
primitive tools, while the section four refers to the proposed in the intellectual health care system. Their work builds the
scheme. Section five focuses on security analysis. Finally, system in a way that does not compromise privacy; a trusted
section six concludes this paper. Fig.1. shows the proposed third party does the computing of patient data. Omar et al.
decentralization model. [3] increased the emerging interest in healthy data in the
cloud due to malicious attackers. The healthcare centers have
II. RELATED WORKS suffered severe consequences from the attacks on health
data; the effect of attacks has decreased with the
Decentralized technology can robustly and effectively solve decentralization of the cloud's data. Confidential health data
complicated issues like securing healthcare data, is computed, managed, and processed by decentralized data
transactions, and storage. In addition, this technique enables of the peer-to-peer (P2P) system. Blockchain technology
an encrypted method for healthcare data [1]. This paper depends on main features such as decentralized, shared
comprises a state-of-the-art and the most recent study of properties, secured exchanged data. Although the malicious
applying related work decentralized mechanism for attack impacts have been controlled by proposing diverse
preserving privacy in the healthcare models. In 2019, solutions based on a decentralized approach, these solutions
Mubarakali et al. [2] used blockchain technology to make have failed to ensure the complete privacy of patient-centric
practical and secure transactions for health records. The systems. Consequently, there paper refers to create
authors used to ensure that everyone who had access to the healthcare framework to manage data of patient using the
data did so privately. Their study focuses on Blockchain blockchain technology. This method used cryptographic
technologies that have been used over time to stay in touch tools for encrypting medical data.
Fig.1. Proposed decentralization model
