International Journal of Innovative Research in Computer and Communication Engineering
ISSN Approved Journal | Impact factor: 8.771 | ESTD: 2013 | Follows UGC CARE Journal Norms and Guidelines
| Monthly, Peer-Reviewed, Refereed, Scholarly, Multidisciplinary and Open Access Journal | High Impact Factor 8.771 (Calculated by Google Scholar and Semantic Scholar | AI-Powered Research Tool | Indexing in all Major Database & Metadata, Citation Generator | Digital Object Identifier (DOI) |
| TITLE | Decentralized Trust: Revolutionizing Data Security through Blockchain |
|---|---|
| ABSTRACT | The current digital environment of centralized data stores and intensified cyber threats is characterized by inherent dangers of single points of failure, data silos, and the pervasiveness of identity fraud. This paper seeks to discuss the manner in which blockchain technology has created the paradigm of decentralized trust and, as such, revolutionized the architectural construct of data security. This paper will be based on the application of the inherent blockchain cryptographic concepts of decentralization, immutability, and transparency and the advanced Byzantine Fault Tolerance and smart contracts. This author has critically undertaken an extensive literature review and architectural frameworks to create an understanding of the key applications of blockchain decentralized identity and secure data transactions involving the Internet of Things and health care. Our approach describes a functional architecture that integrates blockchain with other complementary technologies such as IPFS and advanced cryptographic schemes including ABE. The result analysis, through comparison tables and conceptual figures, shows that blockchain-based systems can reduce data breach risks by a factor of no less than two orders of magnitude, speed up transaction processing, and grant users more data sovereignty. We conclude that while challenges remain regarding scalability, regulation, and integration, blockchain's decentralized trust model lays a robust, transparent, user-centric foundation for the future in secure digital ecosystems. |
| AUTHOR | SRIPRIYA P, DR. SESHU BABU PULAGARA Research Scholar, Department of Computer Science, NITTTR, Chennai, India Assistant Professor, Department of Computer Science & Engineering, NITTTR, Chennai, India |
| VOLUME | 182 |
| DOI | DOI: 10.15680/IJIRCCE. 2026.1403012 |
| pdf/12_Decentralized Trust Revolutionizing Data Security through Blockchain.pdf | |
| KEYWORDS | |
| References | 1. W. Zhu et al., "A Blockchain-Based Secure Data Transaction and Privacy Preservation Scheme in IoT System," Sensors, vol. 25, no. 15, p. 4854, Aug. 2025. [Online]. Available: https://doi.org/10.3390/s25154854 2. SentinelOne, "Blockchain Security: Types & Real-World Examples," SentinelOne Cybersecurity 101, 2024. [Online]. Available: https://www.sentinelone.com/cybersecurity-101/cybersecurity/blockchain-security/ 3. Dock.io, "Blockchain Identity Management: Beginner's Guide 2025," Jan. 2026. [Online]. Available: https://www.dock.io/post/blockchain-identity-management 4. Identity Management Institute, "Blockchain for Healthcare Data Security," Aug. 2024. [Online]. Available: https://identitymanagementinstitute.org/blockchain-for-healthcare-data-security/ 5. M. R. et al., "Leveraging blockchain for cybersecurity detection using hybridization of prairie dog optimization with differential evolution on internet of things environment," Sci. Rep., vol. 15, Art no. 31673, 2025. [Online]. Available: https://www.nature.com/articles/s41598-025-10410-6 6. G. Roy, "Byzantine Fault Tolerance in Crypto: What Is It?," Ledger Academy, Apr. 2024. [Online]. Available: https://www.ledger.com/academy/topics/blockchain/byzantine-fault-tolerance-in-crypto-what-is-it 7. Okta, "What is Decentralized Identity?," The Okta Identity Blog, 2024. [Online]. Available: https://www.okta.com/blog/identity-security/what-is-decentralized-identity/ 8. Perma Technologies, "Blockchain in Healthcare: 2025 Privacy Trends," Dec. 2025. [Online]. Available: https://thepermatech.com/blockchain-in-healthcare-2025-privacy-trends/ 9. Chainalysis, "Blockchain Security: Preventing Threats Before They Strike," The Chainalysis Blog, 2025. [Online]. Available: https://www.chainalysis.com/blog/blockchain-security/ 10. GeeksforGeeks, "Practical Byzantine Fault Tolerance (pBFT)," Last updated Jul. 11, 2025. [Online]. Available: https://www.geeksforgeeks.org/practical-byzantine-fault-tolerancepbft/ 11. G. Zyskind, O. Nathan, and A. Pentland, "Decentralizing Privacy: Using Blockchain to Protect Personal Data," in Proc. IEEE Security and Privacy Workshops, 2015, pp. 180-184. 12. A. Dorri, S. S. Kanhere, and R. Jurdak, "Blockchain in Internet of Things: Challenges and Solutions," arXiv preprint arXiv:1608.05187, 2016. 13. M. S. Ali, K. Dolui, and F. Antonelli, "IoT Data Privacy via Blockchains and IPFS," in Proc. 7th International Conference on the Internet of Things, 2017, pp. 1-7. 14. J. Bethencourt, A. Sahai, and B. Waters, "Ciphertext-Policy Attribute-Based Encryption," in Proc. IEEE Symposium on Security and Privacy, 2007, pp. 321-334. 15. A. Ekblaw et al., "A Case Study for Blockchain in Healthcare: 'MedRec' prototype for electronic health records and medical research data," in Proc. IEEE Open & Big Data Conf., 2016, vol. 13, p. 13. 16. D. D. F. Maesa, P. Mori, and L. Ricci, "Blockchain based access control," in Proc. IFIP International Conference on Distributed Applications and Interoperable Systems, 2017, pp. 206-220. 17. L. S. Sankar, M. S. Sindhu, and M. Sethumadhavan, "Survey of Consensus Protocols on Blockchain Applications," in Proc. 4th International Conference on Advanced Computing and Communication Systems, 2017, pp. 1-5. 18. V. Gramoli, "From Blockchain Consensus Back to Byzantine Consensus," Future Generation Computer Systems, vol. 107, pp. 760-769, 2020. 19. S. Nakamoto, "Bitcoin: A Peer-to-Peer Electronic Cash System," 2008. [Online]. Available: https://bitcoin.org/bitcoin.pdf 20. H. M. Kim and M. Laskowski, "Toward an Ontology-Driven Blockchain Design for Supply Chain Provenance," Intelligent Systems in Accounting, Finance and Management, vol. 25, no. 1, pp. 18-27, 2018. |