Rabindra Kumar Barik

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All articles published by MDPI are made immediately available worldwide under an open access license. No special permission is required to reuse all or part of the article published by MDPI, including figures and tables. For articles published under an open access Creative Common CC BY license, any part of the article may be reused without permission provided that the original article is clearly cited. For more information, please refer to https://www.mdpi.com/openaccess.

1. Introduction Blockchain, the new emerging technology, has captivated the interest of many researchers. It is a technology that can solve many different issues of security, safety, storage, confidentiality, and accessibility within diverse sectors of medicine, land, finance, IoT, etc., [1]. This technology has proved itself in the health sector which is one of the most concerned sectors. It helps maintain patient information confidentiality while providing secure access to required authorities.