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Internet of Things (IoT) has gained popularity in recent years due to the services it offers and its wide usage in the field of science and technology such as smart agriculture, smart home devices. We now live in a world surrounded by smart gadgets and utilize it almost on daily basis. As the usage is increasing, the amount of data being disseminated is also increasing due to which a lot of data is being exposed to threats. So, it must be made sure that the channels through which data is being transferred should reach securely to the endpoint without compromising integrity, confidentiality, and authentication, ensuring that data reached should not be modified or tampered. In recent years, an important technique has been developed called “blockchain”, which can help in improving security, trust, speed, visibility, immutability, and traceability. Motivated by these facts, this work explores the potential of the blockchain and …