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Electronic medical records (EMRs) are critical, highly sensitive private information in healthcare, and need to be frequently shared among peers. Blockchain provides a shared, immutable and transparent history of all the transactions to…

Computers and Society · Computer Science 2017-09-20 Alevtina Dubovitskaya , Zhigang Xu , Samuel Ryu , Michael Schumacher , Fusheng Wang

The development and adoption of Electronic Health Records (EHR) and health monitoring Internet of Things (IoT) Devices have enabled digitization of patient records and has also substantially transformed the healthcare delivery system in…

Human-Computer Interaction · Computer Science 2021-10-20 Manan Shukla , Jianjing Lin , Oshani Seneviratne

Self-Sovereign Identity (SSI) grants holders full ownership and control of their digital identities, being the ultimate digital identity model. Operating in a decentralized manner, SSI enables the verification of claims, including…

Cryptography and Security · Computer Science 2026-01-15 Andreea Elena Drăgnoiu , Andrei Ciobanu , Ruxandra F. Olimid

We present a patient-centric architecture for electronic health record (EHR) sharing that separates content storage from authorization and audit. Encrypted FHIR resources are stored off-chain; a public blockchain records only cryptographic…

Cryptography and Security · Computer Science 2025-11-24 Tanzim Hossain Romel , Kawshik Kumar Paul , Tanberul Islam Ruhan , Maisha Rahman Mim , Abu Sayed Md. Latiful Hoque

Healthcare insurance provides financial support to access medical services for patients while ensuring timely and guaranteed payment for providers. Insurance fraud poses a significant challenge to insurance companies and policyholders,…

Cryptography and Security · Computer Science 2024-07-26 Md Al Amin , Rushabh Shah , Hemanth Tummala , Indrajit Ray

The General Data Protection Regulation (GDPR) gives control of personal data back to the owners by appointing higher requirements and obligations on service providers who manage and process personal data. As the verification of…

Cryptography and Security · Computer Science 2019-10-22 Nguyen Binh Truong , Kai Sun , Gyu Myoung Lee , Yike Guo

The paper proposes a Blockchain (BC) system to prevent counterfeiting in health insurance sector. The results show the system strength in terms of achieving data integrity and privacy of data. Moreover, the results show that the consensus…

Cryptography and Security · Computer Science 2023-03-30 Baker Alhasn , Mohammad Qatawneh , Wesam Alkmobaideen

Many service systems rely on verifiable identity-related information of their users. Manipulation and unwanted exposure of this privacy-relevant information, however, must at the same time be prevented and avoided. Peer-to-peer…

Cryptography and Security · Computer Science 2022-09-21 Jonathan Heiss , Robert Muth , Frank Pallas , Stefan Tai

Off-grid networks are recently emerging as a solution to connect the unconnected or provide alternative services to networks of possibly untrusted participants. The systems currently used, however, exhibit limitations due to their…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-07-09 Harris Niavis , Nikolaos Papadis , Leandros Tassiulas

A decentralized identity system that can provide users with self-sovereign digital identities to facilitate complete control over their own data is paramount to Web 3.0. The account system on blockchain is an ideal archetype for realizing…

Cryptography and Security · Computer Science 2026-02-17 Taotao Wang , Zibin Lin , Shengli Zhang , Long Shi , Qing Yang , Boris Düdder

In a traditional cloud storage system, users benefit from the convenience it provides but also take the risk of certain security and privacy issues. To ensure confidentiality while maintaining data sharing capabilities, the…

Cryptography and Security · Computer Science 2023-09-11 Jingchi Zhang , Anwitaman Datta

Recently, the Internet of Things (IoT) environment has become increasingly fertile for malicious users to break the security and privacy of IoT users. Access control is a paramount necessity to forestall illicit access. Traditional access…

Cryptography and Security · Computer Science 2025-03-25 Ebtihal Abdulrahman , Suhair Alshehri , Ali Alzubaidy , Asma Cherif

Advancement in artificial intelligence (AI) and machine learning (ML), dynamic data driven application systems (DDDAS), and hierarchical cloud-fog-edge computing paradigm provide opportunities for enhancing multi-domain systems performance.…

Cryptography and Security · Computer Science 2020-04-23 Ronghua Xu , Yu Chen , Erik Blasch , Alexander Aved , Genshe Chen , Dan Shen

This paper proposes a decentralized, blockchain-based system for the publication of Common Vulnerabilities and Exposures (CVEs), aiming to mitigate the limitations of the current centralized model primarily overseen by MITRE. The proposed…

Cryptography and Security · Computer Science 2025-05-02 Novruz Amirov , Kemal Bicakci

Electronic government (e-government) uses information and communication technologies to deliver public services to individuals and organisations effectively, efficiently and transparently. E-government is one of the most complex systems…

Cryptography and Security · Computer Science 2020-06-26 Noe Elisa , Longzhi Yang , Fei Chao , Yi Cao

Epidemic situations typically demand intensive data collection and management from different locations/entities within a strict time constraint. Such demand can be fulfilled by leveraging the intensive and easy deployment of the Internet of…

Space situation awareness (SSA) includes tracking of active and inactive resident space objects (RSOs) and assessing the space environment through sensor data collection and processing. To enhance SSA, the dynamic data-driven applications…

Cryptography and Security · Computer Science 2019-09-04 Ronghua Xu , Yu Chen , Erik Blasch , Genshe Chen

In our digital world, access to personal and public data has become an item of concern, with challenging security and privacy aspects. Modern information systems are heterogeneous in nature and have an inherent security vulnerability, which…

Cryptography and Security · Computer Science 2024-01-18 MN Ramahlosi , Y Madani , A Akanbi

The citizenship identities of a nation's occupants enable the state to identify and authenticate them unquestionably. These documents help individuals in recognizing themselves and to profit from the rights and advantages given to them by…

Computers and Society · Computer Science 2021-01-26 Sri Sai Abhishake Gopal Dasari

Electronic medical data sharing between stakeholders, such as patients, doctors, and researchers, can promote more effective medical treatment collaboratively. These sensitive and private data should only be accessed by authorized users.…

Software Engineering · Computer Science 2019-04-25 Chunmiao Li , Yang Cao , Zhenjiang Hu , Masatoshi Yoshikawa