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Title: :  Blockchain-Driven Security and Privacy Mechanisms in IoT: A Systematic Review
PaperId: :  27560
Published in:   International Journal Of Advance Research And Innovative Ideas In Education
Publisher:   IJARIIE
e-ISSN:   2395-4396
Volume/Issue:    Volume 11 Issue 5 2025
DUI:    16.0415/IJARIIE-27560
Licence: :   IJARIIE is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.

Author NameAuthor Institute
Umar Kabir UmarSRM Institute of Science and Technology
Zakari Idris MatinjaFederal Polytechnic Bauchi, Nigeria
Zainab Aliyu MusaFederal Polytechnic Bauchi
Rumana Kabir AminuFCT College of Education Zuba
Maryam AlkaUniversity of Birmingham
Ogochukwu John OkonkwoFederal Polytechnic Bauchi

Abstract

Computer Science and Engineering
Internet of Things (IoT), Blockchain Technology, Cyber Threats, Security and Privacy, Data Authentication, Data Confidentiality
The rapid advancement in the field of Internet of Things (IoT) has brought to light notable threats to data security and user privacy due to the growing network of internet-enabled devices and the exchange of confidential user data. Conventional security approaches often underperform in addressing these issues effectively, emphasizing the need of advanced solutions to maintain data integrity, authentication, and confidentiality. Blockchain technology is gearing attention for its ability to provide a robust solution due to its decentralized architecture, cryptographic security, and immutability. This review examines how blockchain can be integrated with IoT security by analyzing existing frameworks, methodologies, and implementations. By assessing the advantages and limitations of blockchain-based security models, the study provides a comprehensive understanding of how this technology enhances privacy, mitigates cyber threats, and fosters trust among IoT devices. The review categorizes various blockchain-driven security solutions for IoT, with a focus on consensus mechanisms, smart contracts, and access control models. Key findings suggest that while blockchain significantly strengthens IoT security, constraints encompassing scalability, increased computational burden, and energy consumption remain key obstacles. Additionally, the study highlights emerging trends, including lightweight blockchain protocols and hybrid security models, designed to address these issues. Moreover, the review identifies research gaps and suggests future directions for optimizing blockchain’s role in IoT security. By offering critical viewpoint on the rapidly changing IoT landscape protection; this article serves as a useful reference for researchers and industry experts aiming to develop privacy-aware and secure IoT infrastructure

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IJARIIE Umar Kabir Umar, Zakari Idris Matinja, Zainab Aliyu Musa, Rumana Kabir Aminu, Maryam Alka, and Ogochukwu John Okonkwo. "Blockchain-Driven Security and Privacy Mechanisms in IoT: A Systematic Review" International Journal Of Advance Research And Innovative Ideas In Education Volume 11 Issue 5 2025 Page 741-750
MLA Umar Kabir Umar, Zakari Idris Matinja, Zainab Aliyu Musa, Rumana Kabir Aminu, Maryam Alka, and Ogochukwu John Okonkwo. "Blockchain-Driven Security and Privacy Mechanisms in IoT: A Systematic Review." International Journal Of Advance Research And Innovative Ideas In Education 11.5(2025) : 741-750.
APA Umar Kabir Umar, Zakari Idris Matinja, Zainab Aliyu Musa, Rumana Kabir Aminu, Maryam Alka, & Ogochukwu John Okonkwo. (2025). Blockchain-Driven Security and Privacy Mechanisms in IoT: A Systematic Review. International Journal Of Advance Research And Innovative Ideas In Education, 11(5), 741-750.
Chicago Umar Kabir Umar, Zakari Idris Matinja, Zainab Aliyu Musa, Rumana Kabir Aminu, Maryam Alka, and Ogochukwu John Okonkwo. "Blockchain-Driven Security and Privacy Mechanisms in IoT: A Systematic Review." International Journal Of Advance Research And Innovative Ideas In Education 11, no. 5 (2025) : 741-750.
Oxford Umar Kabir Umar, Zakari Idris Matinja, Zainab Aliyu Musa, Rumana Kabir Aminu, Maryam Alka, and Ogochukwu John Okonkwo. 'Blockchain-Driven Security and Privacy Mechanisms in IoT: A Systematic Review', International Journal Of Advance Research And Innovative Ideas In Education, vol. 11, no. 5, 2025, p. 741-750. Available from IJARIIE, https://ijariie.com/AdminUploadPdf/Blockchain_Driven_Security_and_Privacy_Mechanisms_in_IoT__A_Systematic_Review_ijariie27560.pdf (Accessed : ).
Harvard Umar Kabir Umar, Zakari Idris Matinja, Zainab Aliyu Musa, Rumana Kabir Aminu, Maryam Alka, and Ogochukwu John Okonkwo. (2025) 'Blockchain-Driven Security and Privacy Mechanisms in IoT: A Systematic Review', International Journal Of Advance Research And Innovative Ideas In Education, 11(5), pp. 741-750IJARIIE [Online]. Available at: https://ijariie.com/AdminUploadPdf/Blockchain_Driven_Security_and_Privacy_Mechanisms_in_IoT__A_Systematic_Review_ijariie27560.pdf (Accessed : )
IEEE Umar Kabir Umar, Zakari Idris Matinja, Zainab Aliyu Musa, Rumana Kabir Aminu, Maryam Alka, and Ogochukwu John Okonkwo, "Blockchain-Driven Security and Privacy Mechanisms in IoT: A Systematic Review," International Journal Of Advance Research And Innovative Ideas In Education, vol. 11, no. 5, pp. 741-750, Sep-Oct 2025. [Online]. Available: https://ijariie.com/AdminUploadPdf/Blockchain_Driven_Security_and_Privacy_Mechanisms_in_IoT__A_Systematic_Review_ijariie27560.pdf [Accessed : ].
Turabian Umar Kabir Umar, Zakari Idris Matinja, Zainab Aliyu Musa, Rumana Kabir Aminu, Maryam Alka, and Ogochukwu John Okonkwo. "Blockchain-Driven Security and Privacy Mechanisms in IoT: A Systematic Review." International Journal Of Advance Research And Innovative Ideas In Education [Online]. volume 11 number 5 ().
Vancouver Umar Kabir Umar, Zakari Idris Matinja, Zainab Aliyu Musa, Rumana Kabir Aminu, Maryam Alka, and Ogochukwu John Okonkwo. Blockchain-Driven Security and Privacy Mechanisms in IoT: A Systematic Review. International Journal Of Advance Research And Innovative Ideas In Education [Internet]. 2025 [Cited : ]; 11(5) : 741-750. Available from: https://ijariie.com/AdminUploadPdf/Blockchain_Driven_Security_and_Privacy_Mechanisms_in_IoT__A_Systematic_Review_ijariie27560.pdf
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