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Related papers: Decentralised Identity Federations using Blockchai…

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The emergence of distributed ledger technology (DLT) based upon a blockchain data structure, has given rise to new approaches to identity management that aim to upend dominant approaches to providing and consuming digital identities. These…

Cryptography and Security · Computer Science 2018-01-11 Paul Dunphy , Fabien A. P. Petitcolas

Blockchain-based decentralized identity management provides a promising solution to improve the security and privacy of healthcare systems and make them scalable. Traditional Identity Management Systems are centralized, which makes them…

Cryptography and Security · Computer Science 2023-08-01 Arnaf Aziz Torongo , Mohsen Toorani

Most user authentication methods and identity proving systems rely on a centralized database. Such information storage presents a single point of compromise from a security perspective. If this system is compromised it poses a direct threat…

Cryptography and Security · Computer Science 2017-11-21 Asem Othman , John Callahan

A Decentralized Identifier (DID) empowers an entity to prove control over a unique and self-issued identifier without relying on any identity provider. The public key material for the proof is encoded into an associated DID document (DDO).…

Networking and Internet Architecture · Computer Science 2026-05-28 Sandro Rodriguez Garzon , Carlo Segat , Axel Küpper

Digital identities are increasingly important for mediating not only digital but also physical service transactions. Managing such identities through centralized providers can cause both availability and privacy concerns: single points of…

Cryptography and Security · Computer Science 2025-08-15 René Mayrhofer , Michael Roland , Tobias Höller , Philipp Hofer , Mario Lins

Password-authenticated identities, where users establish username-password pairs with individual servers and use them later on for authentication, is the most widespread user authentication method over the Internet. Although they are…

Cryptography and Security · Computer Science 2021-09-17 Pawel Szalachowski

A key challenge for mobile network operators in 6G is to bring together and orchestrate a variety of new emerging players of today's mobile ecosystems in order to provide economically viable and seamless mobile connectivity in form of a…

Networking and Internet Architecture · Computer Science 2024-06-21 Sandro Rodriguez Garzon , Hakan Yildiz , Axel Küpper

Authentication in TLS is predominately carried out with X.509 digital certificates issued by certificate authorities (CA). The centralized nature of current public key infrastructures, however, comes along with severe risks, such as single…

Cryptography and Security · Computer Science 2025-01-14 Sandro Rodriguez Garzon , Dennis Natusch , Artur Philipp , Axel Küpper , Hans Joachim Einsiedler , Daniela Schneider

Federated Learning (FL) is a well-known paradigm of distributed machine learning on mobile and IoT devices, which preserves data privacy and optimizes communication efficiency. To avoid the single point of failure problem in FL,…

Cryptography and Security · Computer Science 2024-03-13 Xiaoxue Zhang , Yifan Hua , Chen Qian

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

Vulnerable individuals have a limited ability to make reasonable financial decisions and choices and, thus, the level of care that is appropriate to be provided to them by financial institutions may be different from that required for other…

Computers and Society · Computer Science 2021-06-14 Tasos Spiliotopoulos , Dave Horsfall , Magdalene Ng , Kovila Coopamootoo , Aad van Moorsel , Karen Elliott

Blockchain technology, which was introduced for supporting cryptocurrencies, today provides a decentralized infrastructure for general information storage and execution of algorithms, thus enabling the conversion of many applications and…

Cryptography and Security · Computer Science 2024-09-18 Nibras Abo Alzahab , Giulia Rafaiani , Massimo Battaglioni , Franco Chiaraluce , Marco Baldi

Efficient identity management system has become one of the fundamental requirements for ensuring safe, secure, and transparent use of identifiable information and attributes. FIdM allows users to distribute their identity information across…

Cryptography and Security · Computer Science 2021-04-30 Maha Aldosary , Norah Alqahtani

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

Public key infrastructures are essential for Internet security, ensuring robust certificate management and revocation mechanisms. The transition from centralized to decentralized systems presents challenges such as trust distribution and…

Cryptography and Security · Computer Science 2025-03-05 Patrick Herbke , Thomas Cory , Mauro Migliardi

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

The Covid-19 pandemic has made individuals and organizations to rethink the way of handling identity verification and credentials sharing particularly in quarantined situations. In this study, we investigate the inefficiencies of…

Cryptography and Security · Computer Science 2020-06-24 Mehmet Aydar , Serkan Ayvaz , Salih Cemil Cetin

Web3's decentralised infrastructure has upended the standardised approach to digital identity established by protocols like OpenID Connect. Web2 and Web3 currently operate in silos, with Web2 leveraging selective disclosure JSON web tokens…

Cryptography and Security · Computer Science 2025-01-24 Ben Biedermann , Matthew Scerri , Victoria Kozlova , Joshua Ellul

Data marketplaces (DMs) promote the benefits of the Internet of Things (IoT) in smart cities. To facilitate the easy exchanges of real-time IoT data streams between device owners and third-party applications, it is required to provide…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-04-13 Ronghua Xu , Yu Chen

As blockchain technology gains traction for enhancing data security and operational efficiency, traditional centralized authentication systems remain a significant bottleneck. This paper addresses the challenge of integrating decentralized…

Cryptography and Security · Computer Science 2024-12-03 Faisal Haque Bappy , Joon S. Park , Kamrul Hasan , Tariqul Islam