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Related papers: Decentralized Storage And Self-Sovereign Identity …

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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

Attestation of documents like legal papers, professional qualifications, medical records, and commercial documents is crucial in global transactions, ensuring their authenticity, integrity, and trustworthiness. Companies expanding…

Cryptography and Security · Computer Science 2025-11-13 Swapna Krishnakumar Radha , Andrey Kuehlkamp , Jarek Nabrzyski

Self-sovereign Identity (SSI) powered by distributed ledger technologies enables more flexible and faster digital identification workflows, while at the same time limiting the control and influence of central authorities. However, a global…

Cryptography and Security · Computer Science 2019-09-09 Zoltán András Lux , Felix Beierle , Sebastian Zickau , Sebastian Göndör

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

Self-Sovereign Identity (SSI) is an identity model centered on the user. The user maintains and controls their data in this model. When a service provider requests data from the user, the user sends it directly to the service provider,…

Cryptography and Security · Computer Science 2022-06-22 Frederico Schardong , Ricardo Custódio

This paper presents InsureConnect, a blockchain-based system for improving transparency, authentication, and auditability in property-insurance workflows after natural disasters. The system combines Self-Sovereign Identity (SSI),…

Cryptography and Security · Computer Science 2026-05-05 João Eduardo Travassos , Miguel Correia

Self-sovereign Identity promises to give users control of their own data, and has the potential to foster advancements in terms of personal data privacy. Self-sovereign concepts can also be applied to other entities, such as datasets and…

Software Engineering · Computer Science 2020-09-11 Iain Barclay , Maria Freytsis , Sherri Bucher , Swapna Radha , Alun Preece , Ian Taylor

Authentication and authorization of a user's identity are generally done by the service providers or identity providers. However, these centralized systems limit the user's control of their own identity and are prone to massive data leaks…

Cryptography and Security · Computer Science 2022-07-06 Shlok Gilda , Tanvi Jain , Aashish Dhalla

Electronic Health Records (EHRs) and Medical Data are classified as personal data in every privacy law, meaning that any related service that includes processing such data must come with full security, confidentiality, privacy and…

Cryptography and Security · Computer Science 2024-08-01 Marie Tcholakian , Karolina Gorna , Maryline Laurent , Hella Kaffel Ben Ayed , Montassar Naghmouchi

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

Location-based Services (LBSs) provide valuable services, with convenient features for users. However, the information disclosed through each request harms user privacy. This is a concern particularly with honest-but-curious LBS servers,…

Cryptography and Security · Computer Science 2020-01-22 Hongyu Jin , Panos Papadimitratos

Trust in electoral processes is fundamental for democracies. Further, the identity management of citizen data is crucial, because final tallies cannot be guaranteed without the assurance that every final vote was cast by an eligible voter.…

Cryptography and Security · Computer Science 2020-08-25 Christian Killer , Lucas Thorbecke , Bruno Rodrigues , Eder Scheid , Muriel Franco , Burkhard Stiller

Decentralized applications (dApps) in Decentralized Finance (DeFi) face a fundamental tension between regulatory compliance requirements like Know Your Customer (KYC) and maintaining decentralization and privacy. Existing permissioned DeFi…

Cryptography and Security · Computer Science 2025-10-08 Fabian Piper , Karl Wolf , Jonathan Heiss

In this paper we present reclaimID: An architecture that allows users to reclaim their digital identities by securely sharing identity attributes without the need for a centralised service provider. We propose a design where user attributes…

Cryptography and Security · Computer Science 2018-09-11 Martin Schanzenbach , Georg Bramm , Julian Schütte

We present a mechanism that puts users in the center of control and empowers them to dictate the access to their collections of data. Revisiting the fundamental mechanisms in security for providing protection, our solution uses…

Cryptography and Security · Computer Science 2017-10-03 Sayed Hadi Hashemi , Faraz Faghri , Roy H Campbell

The emerging Self-Sovereign Identity (SSI) techniques, such as Decentralized Identifiers (DIDs) and Verifiable Credentials (VCs), move control of digital identity from conventional identity providers to individuals and lay down the…

Emerging Technologies · Computer Science 2024-05-07 Thusitha Dayaratne , Xinxin Fan , Yuhong Liu , Carsten Rudolph

We introduce did:self, a Decentralized Identifier (DID) method that does not depend on any trusted registry for storing the corresponding DID documents. Information for authenticating a did:self subject can be disseminated using any means…

Cryptography and Security · Computer Science 2025-04-30 Nikos Fotiou , George C. Polyzos , Vasilios A. Siris

Existing digital identity management systems fail to deliver the desirable properties of control by the users of their own identity data, credibility of disclosed identity data, and network-level anonymity. The recently proposed…

Cryptography and Security · Computer Science 2021-09-29 Quinten Stokkink , Georgy Ishmaev , Dick Epema , Johan Pouwelse

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

Decentralised identifiers have become a standardised element of digital identity architecture, with supra-national organisations such as the European Union adopting them as a key component for a unified European digital identity ledger.…