Akbar Faregh Rajiri
Abbasali Rezaei

Abstract One of the most important concepts we have seen in the field of technology in recent years is regardless of blockchain. Blockchain has made a lot of noise since its inception. Contrary to many people's beliefs, the use of Blockchain technology is not limited to cryptocurrencies such as Bitcoin and is used in many fields, including the Internet of Things (IoT). IoT refers to the connection between devices and the Internet through embedded software and sensors in order to communicate, collect and exchange device information with each other. Blockchain and the Internet of Things are both emerging and growing, and have a long way to go before they can be fully accepted by users and companies. IoT and blockchain also require a lot of energy and time to get corporate approval. The use of IoT devices by authentication standards allows hackers to automatically infiltrate those devices and systems, so authentication and standardization are essential in all parts of the IoT. Blockchain can provide a solution for this purpose. This article discusses the applications of blockchain in the Internet of Things. For this reason, the combination of blockchain and the Internet of Things has attracted the attention of large companies, and this issue can be examined in addition to scalable security in terms of increasing the speed of data exchange.

Keywords: Blockchain, Internet of Things, IoT