Matching Metadata on Blockchain for Self-Sovereign Identity

Schardong, Frederico; Custódio, Ricardo Felipe; Pioli, Laércio; Meyer, João Vicente

doi:10.1007/978-3-030-94343-1_32

Cited by 3 publications

(3 citation statements)

References 9 publications

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“…The problem of searching for metadata in blockchainbased SSI systems has been highlighted by several researchers [177], [178]. The unstructured nature of data storage on the blockchain presents a challenge when it comes to locating credential metadata.…”

Section: ) Lack Of Toolsmentioning

confidence: 99%

A Taxonomy of Challenges for Self-Sovereign Identity Systems

Satybaldy,

Ferdous,

Nowostawski

2024

IEEE Access

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Creating and utilizing digital identities are fundamental steps towards accessing online services. In order to facilitate the management of user identities, the concept of identity management has been introduced. Various systems and protocols have been developed to manage online identities. However, these systems are provider-centric, focusing on aiding providers in managing their user bases. As a result, users often have limited control over their identity data and remain unaware of how centralized identity providers use or potentially misuse their data. Self-Sovereign Identity (SSI) has emerged as a new paradigm in the digital identity management landscape, aiming to empower users by allowing them greater control over their identity data. Although SSI is a relatively new domain, there have been numerous efforts, primarily from the industry, to introduce SSI standards, protocols, and systems, with multiple options in each category. Researchers eager to contribute to the SSI domain might find it challenging to understand the interconnections among these components. Notably, the SSI domain faces several challenges, as highlighted in various research works. These challenges must be addressed before SSI can achieve widespread adoption. This article presents a comprehensive systematic literature review of SSI, offers a detailed taxonomy, and identifies and analyzes the open challenges in SSI.INDEX TERMS self-sovereign identity, digital identity, taxonomy

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Section: ) Lack Of Toolsmentioning

confidence: 99%

A Taxonomy of Challenges for Self-Sovereign Identity Systems

Satybaldy,

Ferdous,

Nowostawski

2024

IEEE Access

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“…Similarly, in [ 92 ], the problem of searching metadata is also explored. The authors employed a natural language processing technique [ 155 ] and pre-trained word vectors [ 156 ] to enable users to query the Sovrin network’s credential metadata using natural language.…”

Section: Rq-1: What Practical Problems Have Been Introduced and Solved?mentioning

confidence: 99%

“…Another significant factor to consider is the scalability of SSI systems [ 198 , 199 , 203 ]. While practical research observes and considers this aspect [ 92 , 100 , 109 ], it is not the norm in the surveyed literature.…”

Section: Rq-3: What Conceptual Ideas Have Been Introduced or Refuted?mentioning

confidence: 99%

Self-Sovereign Identity: A Systematic Review, Mapping and Taxonomy

Schardong

Custódio

2022

Sensors

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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, bypassing third-party intermediaries. Thus, SSI reduces identity providers’ involvement in the identification, authentication, and authorization, thereby increasing user privacy. Additionally, users can share portions of their personal information with service providers, significantly improving user privacy. This identity model has drawn the attention of researchers and organizations worldwide, resulting in an increase in both scientific and non-scientific literature on the subject. This study conducts a comprehensive and rigorous systematic review of the literature and a systematic mapping of theoretical and practical advances in SSI. We identified and analyzed evidence from reviewed materials to address four research questions, resulting in a novel SSI taxonomy used to categorize and review publications. Additionally, open challenges are discussed along with recommendations for future work.

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