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Distant patient monitoring is itself a technology that authorizes the status of the patient outside of traditional clinic systems e.g. In separate regions or homes which may need to increase the patient's care and reduce the phenomenal cost. In this case, blockchain plays a vital role for monitoring. In distant patients monitoring the caregiver staff would be able to know the status of the patient, the medical record is collected through smart devices and IoT networks. For cache, allotment, and rectify the medical information Blockchain playing an important role in all of these tasks. Ray described the connectivity of IoT with blockchain for retrieving, sharing, and storing electronic health information in the form of data flow architecture [21]. Distant patient monitoring becomes valuable for the elderly patient and disabled patients because they can take quick steps to save their lives. Many kinds of research show that blockchain is the key factor to save the patient data securely and manageable, in this context Ichikawa illustrated cognitive therapy for the disease of insomnia for patients monitoring by adopting a hyper ledger fabric architecture.