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Securing the Decentralized Future: A Comprehensive Survey of Blockchain-Integrated Architectures for Identity, Privacy, and Access Control in Multi-Domain Systems

by Rupsingh Puransingh Mathwale, Ankush D. Sawarkar
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International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Volume 187 - Number 150
Year of Publication: 2026
Authors: Rupsingh Puransingh Mathwale, Ankush D. Sawarkar
10.5120/ijcaea892d5a439d

Rupsingh Puransingh Mathwale, Ankush D. Sawarkar . Securing the Decentralized Future: A Comprehensive Survey of Blockchain-Integrated Architectures for Identity, Privacy, and Access Control in Multi-Domain Systems. International Journal of Computer Applications. 187, 150 ( Oct 2026), 1-9. DOI=10.5120/ijcaea892d5a439d

@article{ 10.5120/ijcaea892d5a439d,
author = { Rupsingh Puransingh Mathwale, Ankush D. Sawarkar },
title = { Securing the Decentralized Future: A Comprehensive Survey of Blockchain-Integrated Architectures for Identity, Privacy, and Access Control in Multi-Domain Systems },
journal = { International Journal of Computer Applications },
issue_date = { Oct 2026 },
volume = { 187 },
number = { 150 },
month = { Oct },
year = { 2026 },
issn = { 0975-8887 },
pages = { 1-9 },
numpages = {9},
url = { https://ijcaonline.org/archives/volume187/number150/securing-the-decentralized-future-a-comprehensive-survey-of-blockchain-integrated-architectures-for-identity-privacy-and-access-control-in-multi-domain-systems/ },
doi = { 10.5120/ijcaea892d5a439d },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Journal Article
%1 2026-10-24T03:09:00.140299+05:30
%A Rupsingh Puransingh Mathwale
%A Ankush D. Sawarkar
%T Securing the Decentralized Future: A Comprehensive Survey of Blockchain-Integrated Architectures for Identity, Privacy, and Access Control in Multi-Domain Systems
%J International Journal of Computer Applications
%@ 0975-8887
%V 187
%N 150
%P 1-9
%D 2026
%I Foundation of Computer Science (FCS), NY, USA
Abstract

Internet of Things (IoT) devices are increasingly integrated into smart infrastructures, making security, privacy, and access control critical concerns. It is inevitable but to consider confidentiality, Integrity and Availability of IoT devices. There are several security vulnerabilities with the traditional centralized architectures, i.e. single point of failure and concentrated threat surface. Blockchain technology addresses the security challenges posed by centralized architecture. Blockchain is a distributed ledger technology which records transactions taking place on the network. Bitcoin is the proven application of blockchain technology. Blockchain is an immutable, add only ledger of blocks of transactions. This secure and resilient aspect of blockchain could be utilized in various non cryptocurrency applications as well. This survey provides a thorough analysis of blockchain applications across various domains, including healthcare (Internet of Medical Things [IoMT]) for securing clinical data and vehicular networks (Internet of Vehicles [IoV]) for reliable message transfer. Blockchain could significantly affect the way in which Identity and access Management works through adaptation of Self Sovereign Identity (SSI) and Decentralized Identifiers (DID), which shifts the control of the identity data at user end, and it could be used in Know Your Customer(eKYC) processes as well. For network resource management, blockchain integrates seamlessly with federated learning, 5G, and metaverse platforms. Despite these benefits, scalability limitations and transaction latency remain major concerns in blockchain-based solutions. In addition to multi-domain applications, the paper examines decentralized authentication paradigms, Zero Trust Architectures (ZTA), and post-quantum privacy-preserving primitives. By mitigating domain specific issues, Blockchain technology could act as a promising tool in securing decentralized systems.

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Index Terms

Computer Science
Information Sciences

Keywords

Blockchain IoT Privacy Security Access Control

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