Abstract
The demand for IoT systems in healthcare services is increasing widely and the data generated from these networks should be transferred and stored in a highly secure manner. Blockchain technology helps in maintaining the privacy and integrity of the electronic health records (EHR) data with the help of smart contracts that authenticate the users and maintain confidentiality in the network. Integrating blockchain into IoT systems improves the overall security of the network. In this paper, we propose an architecture based on Hyperledger Fabric which is a private blockchain platform that is used for storing the EHR data which are collected from various IoT sensors. The deployed smart-contract helps in performing some of the basic database functionalities onto the blockchain.
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