BLOCKCHAIN-BASED IOT SECURITY ARCHITECTURE FOR SECURE, SCALABLE, AND TRUSTWORTHY NEXT-GENERATION INTERNET OF THINGS ECOSYSTEMS
AUTHORS:
Mentor
K Venkatesh
Affiliation
Department Of ECE, SVS Group of Institutions, Hanmakonda, Telangana
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Abstract
The rapid growth of the Internet of Things (IoT) has enabled billions of interconnected devices to exchange data across smart cities, healthcare systems, industrial automation platforms, and intelligent transportation networks. Despite its transformative potential, IoT environments remain highly vulnerable to cyberattacks due to limited device resources, centralized architectures, weak authentication mechanisms, and insecure communication channels. Traditional security frameworks often struggle to provide scalable trust management and tamper-resistant data protection in large-scale IoT deployments. This paper proposes a Blockchain-Based IoT Security Architecture that integrates distributed ledger technology, smart contracts, edge computing, and zero-trust authentication mechanisms to enhance security, privacy, and system reliability. The proposed framework enables decentralized device authentication, immutable transaction recording, secure data sharing, and automated access control through blockchain networks. Smart contracts dynamically enforce security policies and verify device identities before granting network access. Experimental evaluation demonstrates improvements in attack resistance, data integrity, authentication efficiency, and network trustworthiness compared with conventional centralized security approaches. The proposed architecture provides a scalable and resilient security solution for next-generation IoT ecosystems.
Keywords
Blockchain Internet of Things Cybersecurity Smart Contracts Zero-Trust Architecture Edge Computing Distributed Ledger Technology IoT Authentication.
Article Information
PUBLICATION DETAILS
Review Type:
Double-Blind Peer Review
License:
CC BY-NC 4.0
Volume/Issue:
Volume 02, Issue 7
Review Rounds:
2
Article Type:
Research Article
Publication Date:
Jul 14 2026
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Bharath, G. & Boss, J. S. C. (2026). Blockchain-Based IOT Security Architecture for Secure, Scalable, and Trustworthy Next-Generation Internet of Things Ecosystems. International Journal of Science, Strategic Management and Technology, 02(7), 1-9. https://doi.org/10.55041/ijsmt.v2i7.067
Bharath, Gorre, and Jannu Boss. "Blockchain-Based IOT Security Architecture for Secure, Scalable, and Trustworthy Next-Generation Internet of Things Ecosystems." International Journal of Science, Strategic Management and Technology, vol. 02, no. 7, 2026, pp. 1-9. doi:https://doi.org/10.55041/ijsmt.v2i7.067.
Bharath, Gorre, and Jannu Boss. "Blockchain-Based IOT Security Architecture for Secure, Scalable, and Trustworthy Next-Generation Internet of Things Ecosystems." International Journal of Science, Strategic Management and Technology 02, no. 7 (2026): 1-9. https://doi.org/https://doi.org/10.55041/ijsmt.v2i7.067.
References
[1] S. Nakamoto, “Bitcoin: A Peer-to-Peer Electronic Cash System,” 2008.
[2] M. Conoscenti, A. Vetrò, and J. C. De Martin, “Blockchain for the Internet of Things: A Systematic Literature Review,” IEEE/ACS AICCSA, pp. 1–6, 2016.
[3] K. Christidis and M. Devetsikiotis, “Blockchains and Smart Contracts for the Internet of Things,” IEEE Access, vol. 4, pp. 2292–2303, 2016.
[4] A. Dorri, S. S. Kanhere, and R. Jurdak, “Blockchain in Internet of Things: Challenges and Solutions,” arXiv, 2016.
[5] M. A. Ferrag, L. Maglaras, A. Ahmim, and H. Janicke, “Blockchain Technologies for the Internet of Things: Research Issues and Challenges,” IEEE Internet of Things Journal, vol. 6, no. 2, pp. 2188–2204, 2019.
[6] N. Kshetri, “Can Blockchain Strengthen the Internet of Things?” IT Professional, vol. 19, no. 4, pp. 68–72, 2017.
[7] J. Granjal, E. Monteiro, and J. Silva, “Security for the Internet of Things: A Survey of Existing Protocols and Open Research Issues,” IEEE Communications Surveys & Tutorials, vol. 17, no. 3, pp. 1294–1312, 2015.
[8] Y. Lu and L. Da Xu, “Internet of Things and Edge Computing for Secure Smart Systems,” IEEE Transactions on Industrial Informatics, vol. 15, no. 8, pp. 4428–4438, 2019.
[9] R. Roman, J. Lopez, and M. Mambo, “Mobile Edge Computing, Fog Computing and Security for IoT,” Future Generation Computer Systems, vol. 78, pp. 680–698, 2018.
[10] M. A. Khan and K. Salah, “IoT Security: Review, Blockchain Solutions and Open Challenges,” Future Generation Computer Systems, vol. 82, pp. 395–411, 2018.
[2] M. Conoscenti, A. Vetrò, and J. C. De Martin, “Blockchain for the Internet of Things: A Systematic Literature Review,” IEEE/ACS AICCSA, pp. 1–6, 2016.
[3] K. Christidis and M. Devetsikiotis, “Blockchains and Smart Contracts for the Internet of Things,” IEEE Access, vol. 4, pp. 2292–2303, 2016.
[4] A. Dorri, S. S. Kanhere, and R. Jurdak, “Blockchain in Internet of Things: Challenges and Solutions,” arXiv, 2016.
[5] M. A. Ferrag, L. Maglaras, A. Ahmim, and H. Janicke, “Blockchain Technologies for the Internet of Things: Research Issues and Challenges,” IEEE Internet of Things Journal, vol. 6, no. 2, pp. 2188–2204, 2019.
[6] N. Kshetri, “Can Blockchain Strengthen the Internet of Things?” IT Professional, vol. 19, no. 4, pp. 68–72, 2017.
[7] J. Granjal, E. Monteiro, and J. Silva, “Security for the Internet of Things: A Survey of Existing Protocols and Open Research Issues,” IEEE Communications Surveys & Tutorials, vol. 17, no. 3, pp. 1294–1312, 2015.
[8] Y. Lu and L. Da Xu, “Internet of Things and Edge Computing for Secure Smart Systems,” IEEE Transactions on Industrial Informatics, vol. 15, no. 8, pp. 4428–4438, 2019.
[9] R. Roman, J. Lopez, and M. Mambo, “Mobile Edge Computing, Fog Computing and Security for IoT,” Future Generation Computer Systems, vol. 78, pp. 680–698, 2018.
[10] M. A. Khan and K. Salah, “IoT Security: Review, Blockchain Solutions and Open Challenges,” Future Generation Computer Systems, vol. 82, pp. 395–411, 2018.
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This article has undergone plagiarism screening and double-blind peer review. Editorial policies have been followed. Authors retain copyright under CC BY-NC 4.0 license. The research complies with ethical standards and institutional guidelines.
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