“BLOCKCHAIN BASED PRIVACY PRESERVATION IN HEALTHCARE: A RECENT TRENDS AND CHALLENGES”

Abstract

Healthcare is changing fast with better and efficient services for patient care. Electronic health records are electronic saved information related to health in digitally format. With EHR the healthcare data can be easily shared across the different healthcare settings.EHR enhances the Patient care by providing the accuracy and precision of medical records where security and privacy preservation are challenging in the system. In recent years, Blockchain has become viable technology which has invaded different domains. Blockchain has enormous potentialin healthcare because of demand of patient centric system and to connect different systems together. Blockchain is a promising solution for security and preservation of privacy in a healthcare sector. In this paper we have provide a comprehensive review of healthcare systems which are based on blockchain. The main objective of this paper is to reveal about blockchain technology in privacy preservation, security of healthcare and its future research directions. We have recognized and analyze latest research papers and literature to present a challenges and comparison between various published work in the domain of blockchain for healthcare.