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In this research, the rapid rise of Internet of Things (IoT) devices has dramatically changed the way we generate, share, and consume data. But with this surge in connectivity comes a host of serious issues around data security, privacy, and trust, particularly because traditional centralized access control systems have their limitations. These older models often suffer from single points of failure, unauthorized access, and a lack of transparency. To tackle these problems, this paper introduces a blockchain-based access control model designed to facilitate secure and decentralized data sharing in IoT settings. By utilizing smart contracts, the model automates access permissions, keeps unchangeable logs, and provides detailed control over data. The framework is built on the Ethereum blockchain using Solidity and tested with simulated IoT data. The experimental findings reveal improved security, better resistance to common attacks, and enhanced auditability when compared to traditional systems. This model offers a scalable and tamper-proof access control solution that fits perfectly with the decentralized nature of IoT systems.
Keywords:
Blockchain, Internet of Things (IoT), Access Control, Smart Contracts, Data Security, Decentralized Systems
Cite Article:
"Blockchain-Based Access Control Model for Secure Data Sharing in IoT Networks", International Journal for Research Trends and Innovation (www.ijrti.org), ISSN:2455-2631, Vol.10, Issue 5, page no.c326-c330, May-2025, Available :http://www.ijrti.org/papers/IJRTI2505237.pdf
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ISSN:
2456-3315 | IMPACT FACTOR: 8.14 Calculated By Google Scholar| ESTD YEAR: 2016
An International Scholarly Open Access Journal, Peer-Reviewed, Refereed Journal Impact Factor 8.14 Calculate by Google Scholar and Semantic Scholar | AI-Powered Research Tool, Multidisciplinary, Monthly, Multilanguage Journal Indexing in All Major Database & Metadata, Citation Generator