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Related papers: SoK: Self-Sovereign Digital Identities

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With the advancement of technology and subsequently the age of digital information, online trustworthy identification has become increasingly more important. With respect to the various data breaches and privacy regulations, the current…

Cryptography and Security · Computer Science 2019-04-30 Dirk van Bokkem , Rico Hageman , Gijs Koning , Luat Nguyen , Naqib Zarin

Identity Management Systems (IdMs) have complemented how users are identified, authenticated, and authorised on e-services. Among the methods used for this purpose are traditional IdMs (isolated, centralised and federated) that mostly rely…

Cryptography and Security · Computer Science 2024-09-06 Abubakar-Sadiq Shehu

The centralized PKI is not a suitable solution to provide identities in large-scale IoT systems. The main problem is the high cost of managing X.509 certificates throughout their lifecycle, from installation to regular updates and…

Cryptography and Security · Computer Science 2024-02-14 Leonardo Perugini , Andrea Vesco

The use of Self-Sovereign Identity (SSI) systems for digital identity management is gaining traction and interest. Countries such as Bhutan have already implemented an SSI infrastructure to manage the identity of their citizens. The EU,…

Emerging Technologies · Computer Science 2025-08-29 Montassar Naghmouchi , Maryline Laurent

Self-Sovereign Identity (SSI), a Blockchain-based technology for digital identity management, is a promising concept for handling health data. It could represent a step forward in empowering users, granting them control over their data.…

Cryptography and Security · Computer Science 2021-04-27 Alexandre Siqueira , Arlindo Flavio Da Conceição , Vladimir Rocha

Digital identity is unsolved: after many years of research there is still no trusted communication over the Internet. To provide identity within the context of mutual distrust, this paper presents a blockchain-based digital identity…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-06-07 Quinten Stokkink , Johan Pouwelse

The Self-Sovereign Identity (SSI) paradigm is instrumental for decentralised identity management, allowing an entity to create, manage, and present their digital credentials without relying on centralised authorities. Credential selective…

Cryptography and Security · Computer Science 2026-04-14 Elia Onofri , Andrea De Salve , Paolo Mori , Laura Emilia Maria Ricci , Roberto Di Pietro

Self-sovereign identity is the next evolution of identity management models. This survey takes a journey through the origin of identity, defining digital identity and progressive iterations of digital identity models leading up to…

Cryptography and Security · Computer Science 2021-11-04 Reza Soltani , Uyen Trang Nguyen , Aijun An

The terms self-sovereign identity (SSI) and decentralised identity are often used interchangeably, which results in increasing ambiguity when solutions are being investigated and compared. This article aims to provide a clear distinction…

Cryptography and Security · Computer Science 2024-12-18 Ben Biedermann , Matthew Scerri , Victoria Kozlova , Joshua Ellul

Self-Sovereign Identity is a transformative paradigm in digital identity management, empowering individuals with full control over their credentials. However, the coexistence of diverse SSI ecosystems, such as the European Digital Identity…

Emerging Technologies · Computer Science 2025-12-30 Hakan Yildiz , Axel Küpper

Self-sovereign identity (SSI) has gained a large amount of interest. It enables physical entities to retain ownership and control of their digital identities, which naturally forms a conceptual decentralized architecture. With the support…

Software Engineering · Computer Science 2023-01-10 Yepeng Ding , Hiroyuki Sato

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

Self-sovereign identity is a new identity management paradigm that allows entities to really have the ownership of their identity data and control their use without involving any intermediary. Blockchain is an enabling technology for…

Cryptography and Security · Computer Science 2020-06-17 Yue Liu , Qinghua Lu , Hye-Young Paik , Xiwei Xu

Self-Sovereign Identity (SSI) is an emerging paradigm for authentication and credential presentation that aims to give users control over their data and prevent any kind of tracking by (even trusted) third parties. In the European Union,…

Cryptography and Security · Computer Science 2025-03-31 Francesco Buccafurri , Carmen Licciardi

Self-Sovereign Identity (SSI), as a new and promising identity management paradigm, needs mechanisms that can ease a gradual transition of existing services and developers towards it. Systems that bridge the gap between SSI and established…

Cryptography and Security · Computer Science 2024-01-19 Felix Hoops , Florian Matthes

Traditional identity management systems, often centralized, face challenges around privacy, data security, and user control, leaving users vulnerable to data breaches and misuse. This paper explores the potential of using the Arweave…

Cryptography and Security · Computer Science 2024-12-23 Andreea Elena Dragnoiu , Ruxandra F. Olimid

Users increasingly rely on identity providers for accessing online services and resources. However, centralized identity systems often compromise user privacy due to online activity tracking or data breaches. At the same time, many online…

Cryptography and Security · Computer Science 2024-11-27 Bruno Gomes , Samih Eisa , David R. Matos , Miguel L. Pardal

European digital identity initiatives are grounded in regulatory frameworks designed to ensure interoperability and robust, harmonized security standards. The evolution of these frameworks culminates in eIDAS 2.0, whose origins trace back…

Cryptography and Security · Computer Science 2026-04-15 Nacereddine Sitouah , Marco Esposito , Francesco Bruschi

National digital identity systems have become a key requirement for easy access to online public services, specially during Covid-19. While many countries have adopted a national digital identity system, many are still in the process of…

Software Engineering · Computer Science 2026-05-13 Montassar Naghmouchi , Maryline Laurent , Claire Levallois-Barth , Nesrine Kaaniche

The ongoing regulation of blockchain-based services and applications requires the identification of users who are issuing transactions on the blockchain. This systematic review explores the current status, identifies research gaps, and…

Cryptography and Security · Computer Science 2025-06-24 Awid Vaziry , Kaustabh Barman , Patrick Herbke