Blockchain-Based Security Frameworks for IoT-Enabled Smart Communication Networks

The Internet of Things (IoT) has emerged in communication networks as a response to its increasing integration and proliferation, shaping new ways of communication where more intelligent systems and processes become interconnected and automated. The dissemination of IoT gadgets in communication networks, however, is associated with major security issues, such as unauthorized access, leaked data, and damaging attacks affecting the integrity of essential infrastructure. The conventional security solutions are not generally sufficient for the requirements of IoT as the resource constrained, dynamic topology, and decentralised operation make the deployment of the normal security measures inappropriate in IoT environments. This paper presents a blockchain-based security architecture designed for IoT and 5G enabled smart communication networks. It uses the decentralized and tamper-proof characteristic of blockchain to solve the main security problems in IoT, including secure authentication, data integrity, privacy, and secure communication. With blockchain technology, the RF devices in the network can securely verify each other, guarantee that the data transmitted is correct by checking for authenticity, and eliminate the possibility of communications tampering, although some nodes can be potentially compromised. There is no central authority holding blockchain, and it minimizes the points of failure, and it is resilient. Moreover, smart contracts can automate the security mechanisms, which increase the efficiency of the operations and reduce information dependency. Also swept in the introduced framework are lightweight consensus mechanisms of resource-constraint IoT device, in order that security solutions are unlikely to affect the performance of the network. Moreover, the blockchain is traceable and it is easy to know what occurred and when and can be used to hold accountability and assist in the rapid detection of violations. This article presents a single solution to the secure-IoT-enabled intelligent wireless communication networks by examining the benefits of the blockchain technology and IoT security requirements, which enhance efficiently the reliability, privacy, and scalability of IoT platforms in real life.

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