Blockchain for Secure Access Control in the Internet of Things: A Review and Comparative Analysis
Maroua Akkal, Sarra Cherbal, Boubakeur Annane, Hicham Lakhlef · 2024
Our daily lives are increasingly interwoven with Internet of Things (IoT) devices, making data privacy and security paramount. Access control stands as a critical challenge within these systems. Blockchain technology presents a powerful solution, offering robust data protection and tamper-resistance. This paper delves into the multifaceted applications of blockchain for IoT access control. We examine existing research, proposing a detailed classification based on scalability and use cases, followed by insightful comparisons. Our goal is to provide a holistic view of the current landscape and identify valuable research avenues, thus enriching discussions on leveraging blockchain to fortify IoT security.