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Blockchain is a popular method to ensure security for trusted systems. The benefits include an auditable method to provide decentralized security without a trusted third party, but the drawback is the large computational resources needed to…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-10-24 Erik Blasch , Ronghua Xu , Yu Chen , Genshe Chen , Dan Shen

Access control is a critical component of computer security, governing access to system resources. However, designing policies and roles in traditional access control can be challenging and difficult to maintain in dynamic and complex…

Cryptography and Security · Computer Science 2023-11-13 Asma Jodeiri Akbarfam , Sina Barazandeh , Deepti Gupta , Hoda Maleki

The digitization of healthcare has generated massive volumes of Electronic Health Records (EHRs), offering unprecedented opportunities for training Artificial Intelligence (AI) models. However, stringent privacy regulations such as GDPR and…

Cryptography and Security · Computer Science 2026-02-04 Rodrigo Tertulino , Ricardo Almeida , Laercio Alencar

Cryptography has been widely accepted for security and partly for privacy control as discovered from past works. However, many of these works did not provide a way to manage cryptographic keys effectively especially in EHR applications, as…

Cryptography and Security · Computer Science 2015-06-12 Adebayo Omotosho , Justice Emuoyibofarhe

One of the biggest challenges associated with connected and autonomous vehicles (CAVs) is to maintain and make use of vehicles health records (VHR). VHR can facilitate different entities to offer various services in a proactive,…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-07-28 Pranav Kumar Singh , Roshan Singh , Sukumar Nandi

The digitization of the medical data has been a sensitive topic. In modern times laws such as the HIPAA provide some guidelines for electronic transactions in medical data to prevent attacks and fraudulent usage of private information. In…

Cryptography and Security · Computer Science 2014-10-22 Rajesh Sharma , Deepak Subramanian , Satish N. Srirama

Research has advanced to broaden its applications to cases of non-financial usage after the block-chain was presented by Bitcoin. Healthcare is one of the sectors in which block-chain has tremendous impacts. Exploration here is generally…

Cryptography and Security · Computer Science 2022-06-29 Fathima Begum M , Subhashini Narayan

Blockchains implement decentralized monetary systems and applications. Recent advancements enable what we call tethering a blockchain to a primary blockchain, securing the tethered chain by nodes that post primary-chain tokens as…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-04-25 Yogev Bar-On , Roi Bar-Zur , Omer Ben-Porat , Nimrod Cohen , Ittay Eyal , Matan Sitbon

The emerging blockchain technology has enabled various decentralised applications in a trustless environment without relying on a trusted intermediary. It is expected as a promising solution to tackle sophisticated challenges on personal…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-08-29 Nguyen Truong , Kai Sun , Yike Guo

Known for its decentralized and tamper-aware properties, blockchain is attractive to enhance the infrastructure of systems that have been constrained by traditionally centralized and vendor-locked environments. Although blockchain has…

Cryptography and Security · Computer Science 2020-10-06 Peng Zhang , Douglas C. Schmidt , Jules White

This paper presents an architecture of a Personal Information Management System, in which individuals can define the access to their personal data by means of smart contracts. These smart contracts, running on the Ethereum blockchain,…

Cryptography and Security · Computer Science 2021-01-27 Mirko Zichichi , Stefano Ferretti , Gabriele D'Angelo , Víctor Rodríguez-Doncel

De-identified health data are frequently used in research. As AI advances heighten the risk of re-identification, it is important to respond to concerns about transparency, data privacy, and patient preferences. However, few practical and…

Human-Computer Interaction · Computer Science 2025-11-04 Di Hu , Xi Lu , Yunan Chen , Michelle Keller , An T. Nguyen , Vu Le , Tsung-Ting Kuo , Lucila Ohno-Machado , Kai Zheng

Blockchain has received a widespread attention because of its decentralized, tamper-proof, and transparent nature. Blockchain works over the principle of distributed, secured, and shared ledger, which is used to record, and track data…

Cryptography and Security · Computer Science 2020-04-21 Muneeb Ul Hassan , Mubashir Husain Rehmani , Jinjun Chen

Recently, cybersecurity becomes more and more important due to the rapid development of Internet. However, existing methods are in reality highly sensitive to attacks and are far more vulnerable than expected, as they are lack of trustable…

Cryptography and Security · Computer Science 2018-11-28 Yu Han , Zhongru Wang , Qiang Ruan , Binxing Fang

A blockchain framework is presented for addressing the privacy and security challenges associated with the Big Data in smart mobility. It is composed of individuals, companies, government and universities where all the participants collect,…

Computers and Society · Computer Science 2018-09-18 David Lopez , Bilal Farooq

Verification of data generated by wearable sensors is increasingly becoming of concern to health service providers and insurance companies. There is a need for a verification framework that various authorities can request a verification…

Cryptography and Security · Computer Science 2023-01-18 Mohammad Hossein Chinaei , Hassan Habibi Gharakheili , Vijay Sivaraman

With the help of a shared pool of reconfigurable computing resources, clients of the cloud-based model can keep sensitive data remotely and access the apps and services it offers on-demand without having to worry about maintaining and…

Cryptography and Security · Computer Science 2023-04-25 S. M. Udhaya Sankar , D. Selvaraj , G. K. Monica , Jeevaa Katiravan

The exponential growth in the digitisation of services implies the handling and storage of large volumes of data. Businesses and services see data sharing and crossing as an opportunity to improve and produce new business opportunities. The…

Cryptography and Security · Computer Science 2023-07-04 Bruno Rodrigues , Ivone Amorim , Ivan Costa , Alexandra Mendes

Blockchain technologies have been boosting the development of data-driven decentralized services in a wide range of fields. However, with the spirit of full transparency, many public blockchains expose all types of data to the public such…

Cryptography and Security · Computer Science 2022-05-13 Yepeng Ding , Hiroyuki Sato

We propose a novel distributed integrity-preserving framework for storing trust information in crowdsourced IoT environments. The integrity and availability of the trust information is paramount to ensure accurate trust assessment. Our…

Cryptography and Security · Computer Science 2021-07-16 Mohammed Bahutair , Athman Bouguettaya