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A Stand-alone Identity Solution (SDIS) is an identity management system that operates without intermediaries to handle and manage identities. It employs blockchain technology to securely store user identities, ensuring full user control. This solution emphasizes user autonomy through standardized cryptographic schemes, including post-quantum cryptography and signature-based, user-friendly authentication. SDIS aims to provide Self-Sovereign Identity (SSI) management in accordance with W3C specifications and standardized protocols. This research paper presents a framework for designing a standardized SSI system, featuring a protocol stack with layers such as Distributed Identity (DID) generation, Verifiable Credential Issuance, and Verifiable Presentation Selection using Zero-Knowledge Proofs. The SSI solution leverages blockchain technology, specifically utilizing Hyperledger Indy for identity storage and resolution as part of the research practices.

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SDIS: Stand-Alone Digital Identity Solution Using Blockchain SSI Framework for Distributed Identity

  • 会议论文

  • 发表日期：

    2025年

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  • Dixa Hardik Koradia,
  • Vikram Agrawal

摘要

A Stand-alone Identity Solution (SDIS) is an identity management system that operates without intermediaries to handle and manage identities. It employs blockchain technology to securely store user identities, ensuring full user control. This solution emphasizes user autonomy through standardized cryptographic schemes, including post-quantum cryptography and signature-based, user-friendly authentication. SDIS aims to provide Self-Sovereign Identity (SSI) management in accordance with W3C specifications and standardized protocols. This research paper presents a framework for designing a standardized SSI system, featuring a protocol stack with layers such as Distributed Identity (DID) generation, Verifiable Credential Issuance, and Verifiable Presentation Selection using Zero-Knowledge Proofs. The SSI solution leverages blockchain technology, specifically utilizing Hyperledger Indy for identity storage and resolution as part of the research practices.