Abstract
Health care is a data-intensive system, where a large amount of data is generated regularly. Patient data is used to provide health services, manage health research, generate medical records, and process medical insurance claims. Therefore, this critical data of patients must be secured. Blockchain technology can be used to maintain security in such smart healthcare systems. While these days, the focus of the blockchain applications in practice has been to build spreadsheets that include visual tokens, the momentum of this emerging technology has now expanded to provide security in the healthcare systems too. With the growth of the popularity of healthcare Internet of things (IoT), it is important to know that this technology-based smart system can be supported with blockchain technology for providing security services to all related players viz., patients, doctors, insurance companies, and researchers. This paper presents a state-of-the-art survey on securing healthcare IoT systems with blockchain technology.
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