IJIEEB Vol. 17, No. 4, 8 Aug. 2025
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Internet of Things, Blockchain, Consensus Mechanism, Performance Optimization, Decentralization, Network Security
The rapid proliferation of Internet of Things (IoT) devices has revealed weaknesses in its centralized communication architectures, rendering them vulnerable to security risks such as Distributed Denial of Service (DDoS) attacks. This scenario highlights the need for secure and efficient communication frameworks to safeguard IoT networks. In this paper, we present a blockchain-based framework designed to improve IoT communication networks' security, scalability, and performance. Our methodology utilizes decentralized architecture to mitigate risks linked to centralized sources of failure while enhancing performance metrics, including latency, throughput, energy consumption, and transaction success rates. We present an innovative approach that integrates a plateau effect in latency and consensus time, guaranteeing performance stability as the number of devices increases. The proposed model demonstrates decreases in latency by 26.57% and reductions in energy usage by 35.29% compared to existing Ethereum frameworks, based on extensive simulations conducted under diverse network conditions with one thousand devices, underscoring the framework's effectiveness in managing network congestion. This research offers a viable answer to the problems of IoT communication, facilitating future investigations into the optimization of blockchain integration for improving IoT security and efficiency.
Sudipta Majumder, "A Scalable Blockchain Framework for Secure IoT Communication", International Journal of Information Engineering and Electronic Business(IJIEEB), Vol.17, No.4, pp. 26-40, 2025. DOI:10.5815/ijieeb.2025.04.03
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