Securing Smart IOT Systems Using Blockchain-Based Authentication Protocols
Keywords:
Authentication, Cybersecurity, Data privacy, Internet of Things (IoT), IoT security, Network security, Security protocols, Smart devices, Smart homes, Smart technologiesAbstract
The rapid adoption of smart IoT systems in sectors such as healthcare, smart homes, industrial automation, and transportation has brought significant challenges in maintaining secure and reliable device-to-device communication. The widespread adoption of Smart IoT systems in sectors such as healthcare, smart homes, industrial automation, and transportation has created significant challenges in maintaining secure and reliable device-to-device communication. Conventional authentication methods typically depend on centralized servers, which can lead to single points of failure and expose systems to data breaches and spoofing attacks. This paper proposes a blockchain-based authentication protocol aimed at improving security and trust in smart IoT environments. By utilizing the decentralized, immutable, and transparent nature of blockchain, the system enables secure peer-to-peer device authentication without relying on third-party authorities. By incorporating smart contracts, the protocol ensures real-time validation, efficient identity management, and resistance to common cyber threats such as replay attacks, man-in-the-middle attacks, and unauthorized access. Experimental results and performance analysis demonstrate the scalability, efficiency, and low latency of the solution, making it suitable for real-world applications. This approach provides a robust framework for building a secure, decentralized, and future-proof IoT ecosystem.
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