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Related papers: A Survey on Decentralized Identifiers and Verifiab…

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Centralized identity management systems continuously experience security and privacy challenges, motivating the exploration of Decentralized Identity (DI) and Self-Sovereign Identity (SSI) as user-focused alternatives. Although prior…

Software Engineering · Computer Science 2026-03-25 Daria Schumm , Burkhard Stiller

Digital identities today continue to be a company resource instead of belonging to the actual person they represent. At the same time, the digitalization of everyday services intensifies the Identity Management problem and leads to a…

Cryptography and Security · Computer Science 2022-12-06 Konstantinos Lampropoulos , Nikos Kyriakoulis , Spyros Denazis

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

Federated Identity Management has proven its worth by offering economic benefits and convenience to Service Providers and users alike. In such federations, the Identity Provider (IdP) is the solitary entity responsible for managing user…

Cryptography and Security · Computer Science 2023-05-02 Mirza Kamrul Bashar Shuhan , Syed Md. Hasnayeen , Tanmoy Krishna Das , Md. Nazmus Sakib , Md Sadek Ferdous

The web of today whether you prefer to call it web 2.0, web 3.0, web 5.0 or even the metaverse is at a critical stage of evolution and challenge, largely centered around its crisis of identity. Like teenagers who cannot assess properly…

Computers and Society · Computer Science 2022-12-13 Frederic Jumelle , Timothy Pagett , Ryan Lemand

Self Sovereign Identity (SSI) is an emerging identity system that facilitates secure credential issuance and verification without placing trust in any centralised authority. To bypass central trust, most SSI implementations place blockchain…

Cryptography and Security · Computer Science 2023-08-04 Rahma Mukta , Rue C. Teh , Hye-young Paik , Qinghua Lu , Salil S. Kanhere

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

The growth in IoT devices means an ongoing risk of data vulnerability. The transition from centralized ecosystems to decentralized ecosystems is of paramount importance due to security, privacy, and data use concerns. Since the majority of…

Cryptography and Security · Computer Science 2025-11-04 Sushil Khairnar

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

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

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

Today, digital identity management for individuals is either inconvenient and error-prone or creates undesirable lock-in effects and violates privacy and security expectations. These shortcomings inhibit the digital transformation in…

Cryptography and Security · Computer Science 2023-11-06 Matthias Babel , Johannes Sedlmeir

AI agents are autonomous entities that can be instantiated on demand, migrate across platforms, and interact with other agents or services without continuous human supervision. In such environments, identity is critical for establishing…

Cryptography and Security · Computer Science 2026-04-29 Minghui Xu , Xiaoyu Liu , Yihao Guo , Chunchi Liu , Yue Zhang , Xiuzhen Cheng

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

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

Centralised biometric identity systems expose users to single points of failure, opaque verification processes, and irreversible biometric compromise. Decentralised Identifiers (DIDs) and Verifiable Credentials (VCs) offer stronger privacy…

Cryptography and Security · Computer Science 2026-05-29 Ankit Kanaiyalal Prajapati , Shahzad Memon , Mohammed Mahir Rahman , Ameer Al-Nemrat

A movement for a more transparent and decentralized Internet is globally attracting more attention. People are becoming more privacy-aware of their online identities and data. The Internet is constantly evolving. Web2 focused on companies…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-03-04 Joost Bambacht , Johan Pouwelse

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

This article presents the potential use of the Self-Sovereign Identities (SSI), combining with Distributed Ledger Technologies (DLT), to improve the privacy and control of health data. The paper presents the SSI technology, lists the…

Computers and Society · Computer Science 2021-07-30 Alexandre Siqueira , Arlindo Flavio da Conceição , Vladimir Rocha

This paper provides an overview of the Self-Sovereign Identity (SSI) concept, focusing on four different components that we identified as essential to the architecture. Self-Sovereign Identity is enabled by the new development of blockchain…

Cryptography and Security · Computer Science 2018-07-18 Alexander Mühle , Andreas Grüner , Tatiana Gayvoronskaya , Christoph Meinel