Self-Sovereign Identity Systems

Satybaldy, Abylay; Nowostawski, Mariusz; Ellingsen, Jørgen

doi:10.1007/978-3-030-42504-3_28

Cited by 32 publications

(27 citation statements)

References 4 publications

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“…Gondor [92], and with Dirk Thatmann [93]; (iii) Hye Young Paik and Liming Zhu published an article along with Yue Liu, Qinghua Lu, Xiwei Xu, and Shiping Chen [87], and another article with Yashothara Shanmugarasa and Salil S. Kanhere [127]; (iv) Kyung-Hoon Kim, Seungjoo Lim, and Dong-Yeop Hwang published one paper with Ki-Hyung Kim [73] and a second one with Min-Hyung Rhie [82]; (v) Jørgen Ellingsen's master thesis [36] and an article with Abylay Satybaldy, and Mariusz Nowostawski [112]; (vi) Christopher Allen's ten principles [7] and the Decentralized Identifiers (DIDs) standard [109] with Drummond Reed, Ryan Grant, Markus Sabadello, Manu Sporny, and Dave Longley; and…”

Section: Authorsmentioning

confidence: 99%

“…Along with [33], both [1] and [112] state that no central authority should own or be responsible for an SSI solution.…”

Section: Recoverymentioning

confidence: 99%

“…Four studies argue that usability in SSI is essential [33,112,131,143]. These works declare that users should not need prior knowledge of blockchain technology [33] and other underlying technologies such as cryptographic operations, biometrics, database, and protocols [143].…”

Section: Recoverymentioning

confidence: 99%

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

Schardong¹,

Custódio²

2021

Preprint

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Self-Sovereign Identity is a user-centric identity model. In this model, the user maintains and controls their data. When requested by a service provider, user data is sent directly by the user, without the intermediation of third parties. Thus, in Self-Sovereign Identity, the participation of known identity providers for proof of identity is reduced, which increases user privacy. This identity model has attracted the attention of researchers and organizations around the world. All this interest increased the number of scientific articles published on the subject. The analysis of published materials showed that ideas and proposals are very diverse and dispersed.Although there are few systematic reviews, they lack methodological rigor and are limited to a small subset of published works.This study presents a rigorous systematic mapping and systematic literature review covering theoretical and practical advances in Self-Sovereign Identity. We identified and aggregated evidence from publications to answer four research questions, resulting in a classification scheme used to categorize and review publications. Open challenges are also discussed, providing recommendations for future work.

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Section: Authorsmentioning

confidence: 99%

“…Along with [33], both [1] and [112] state that no central authority should own or be responsible for an SSI solution.…”

Section: Recoverymentioning

confidence: 99%

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

Schardong¹,

Custódio²

2021

Preprint

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“…Self-sovereign identity management enables principals to prove validity of identities on the attribute level across identity issuers with little or no involvement from identity authorities, which provides a promising rights and identity proving methodology for applications deployed on blockchain. Although users could have full control over their personal information in blockchain based identity management systems, the public blockchains can still expose some identity information [81]. Therefore, we still need to introduce new privacy preserving schemes into blockchains which could bring the selective disclosure of sensitive personal information and perfect online identity privacy into reality.…”

Section: Self-sovereign Identitymentioning

confidence: 99%

Review of Techniques for Privacy-Preserving Blockchain Systems

Satybaldy

Nowostawski

2020

Proceedings of the 2nd ACM International Symposium on Blockchain and Secure Critical Infrastructure

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Privacy plays a central role in many application domains that utilize blockchain technology. It is central in Personal Data Management, Electronic Health records, or systems that interact with any public institution. However, blockchains are subject to potential privacy issues such as transaction linkability, compliance with data protection regulations, on-chain data privacy, and malicious smart contracts. To deal with these challenges, novel privacy-preserving solutions based on crypto-privacy techniques are emerging. The goal of this survey is to provide insights into the privacy-preserving techniques associated with blockchain. We analyse the existing privacypreserving mechanisms for blockchain and propose a framework that categorizes the main techniques examined. Furthermore, we summarize some typical applications of blockchain where the privacy protection is the main requirement. CCS CONCEPTS • General and reference → Surveys and overviews; Evaluation; • Security and privacy → Cryptography; Privacy-preserving protocols; Cryptanalysis and other attacks; • Software and its engineering → Peer-to-peer architectures; • Social and professional topics → Identity theft.

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“…Institutions providing these attestations might include governments (for verifying government-issued identity attributes for example), academic institutions (for verifying grades and degrees earned), financial institutions (for verifying credit or other financial history), and so on. Ventures such as Sovrin are attempting to implement and build a self-sovereign identity ecosystem [140], [141], supported by some industry initiatives [142] and standardization efforts [143].…”

Section: Self-sovereign Identitymentioning

confidence: 99%

Design Choices for Central Bank Digital Currency: Policy and Technical Considerations

et al. 2020

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Central banks around the world are exploring and in some cases even piloting Central Bank Digital Currencies (CBDCs). CBDCs promise to realize a broad range of new capabilities, including direct government disbursements to citizens, frictionless consumer payment and money-transfer systems, and a range of new financial instruments and monetary policy levers. CBDCs also give rise, however, to a host of challenging technical goals and design questions that are qualitatively and quantitatively different from those in existing government and consumer payment systems. A well-functioning CBDC will require an extremely resilient, secure, and performant new infrastructure, with the ability to onboard, authenticate, and support users on a massive scale. It will necessitate an architecture simple enough to support modular design and rigorous security analysis, but flexible enough to accommodate current and future functional requirements and use cases. A CBDC will also in some way need to address an innate tension between privacy and transparency, protecting user data from abuse while selectively permitting data mining for end-user services, policymakers, and law enforcement investigations and interventions. In this paper, we enumerate the fundamental technical design challenges facing CBDC designers, with a particular focus on performance, privacy, and security. Through a survey of relevant academic and industry research and deployed systems, we discuss the state of the art in technologies that can address the challenges involved in successful CBDC deployment. We also present a vision of the rich range of functionalities and use cases that a well-designed CBDC platform could ultimately offer users.

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Self-Sovereign Identity Systems

Cited by 32 publications

References 4 publications

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

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

Review of Techniques for Privacy-Preserving Blockchain Systems

Design Choices for Central Bank Digital Currency: Policy and Technical Considerations

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