<![CDATA[The use of Blockchain in the Internet of Things networks is an innovative approach that can make communication between devices of such a network distributed, autonomous and secure. The blockchain in this context is a set of cryptographically connected blocks. Transactions in the network act as the main carriers of information about the state of the nodes, as well as the output information of the nodes themselves for the autonomous functioning of the network. A node is a "smart" device, a sensor, or a microcontroller that connects a group of sensors. Blockchain will be used to provide secure data transmission and processing of devices in the Internet of Things network. This article discusses the main opportunities and challenges in the application of technology in distributed networks.]]>
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