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### Administrator
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An administrator is a role who oversees the agent and releated resources, including tenant, Edge Agent management, or external services. Admistrator typically does not participate in day-to-day SSI interactions.
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### AnonCreds
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[AnonCreds](https://hyperledger.github.io/anoncreds-spec/) (Anonymous Credentials) is a verifiable credential format that offers privacy-preserving features like selective disclosure and zero-knowledge proofs.
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## C
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### Claim {#claim}
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### Issue Credential Protocol
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Allows you to create, retrieve, and manage issued [verifiable credentials (VCs)](#verifiable-credential) between a VC issuer and a VC holder.
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## J
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### JSON-LD
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[JSON-LD](https://json-ld.org/spec/FCGS/json-ld/20130328/) (JSON for Linking Data) is a method of encoding Linked Data using JSON.
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### JWT
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[JWT](https://datatracker.ietf.org/doc/html/rfc7519) (JSON Web Token) is a compact, URL-safe means of representing claims to be transferred between two parties.
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### JWT-VC
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[JWT-VC](https://identity.foundation/jwt-vc-presentation-profile/) (JSON Web Token for Verifiable Credentials, also known as VC-JWT) is a verifiable credential encoded as a JSON Web Token.
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## K
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### Keycloak Service
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Keycloak is an open-source [IAM](#iam) solution that provides authentication, authorization, and single sign-on capabilities for applications and services. It allows organizations to secure their applications by managing user identities, enforcing security policies, and facilitating seamless and secure user authentication.
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## O
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### OID4VC
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[OID4VC](https://openid.net/sg/openid4vc/) (OpenID for Verifiable Credentials) is an overarching framework and suite of specifications defining how to use OpenID Connect for issuing and presenting verifiable credentials.
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### OIDC
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OIDC (OpenID Connect), is an authentication protocol built on top of OAuth 2.0. It enables secure user authentication and allows applications to obtain information about users, facilitating single sign-on (SSO) and identity verification in web and mobile applications.
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## S
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### SD-JWT
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[SD-JWT](https://datatracker.ietf.org/doc/draft-ietf-oauth-selective-disclosure-jwt/) (Selective Disclosure for JWTs) is an extension to JSON Web Tokens that enables the selective disclosure of claims.
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### SD-JWT VC
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[SD-JWT VC](https://datatracker.ietf.org/doc/draft-ietf-oauth-sd-jwt-vc/) (SD-JWT-based Verifiable Credentials) represents a verifiable credential format built on top of SD-JWT.
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### Secrets storage {#secrets-storage}
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This component securely stores sensitive information, such as private keys associated with an individual's digital identity, Edge Agent seed, etc.
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Secrets storage plays a crucial role in SSI implementations because it ensures that sensitive information is securely stored and protected against unauthorized access or disclosure
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HashiCorp Vault is a widely used open-source and enterprise-grade solution designed for securely storing, accessing, and managing secrets and sensitive data in modern computing environments.
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It offers a centralized platform for managing cryptographic keys, passwords, API keys, tokens, and other secrets.
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### VCDM 1.1
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[VCDM 1.1](https://www.w3.org/TR/vc-data-model/) (W3C Verifiable Credentials Data Model v1.1) is a standard data model specification for verifiable credentials.
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### VCDM 2.0
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[VCDM 2.0](https://www.w3.org/TR/vc-data-model-2.0/) (W3C Verifiable Credentials Data Model v2.0) is the updated standard data model specification for verifiable credentials, succeeding VCDM 1.1.
A verifiable credential is a tamper-evident credential that contains one or more claims made by an issuer whose authorship can be cryptographically verified. It is possible to use VCs to create a [verifiable presentation](#verifiable-presentation). Also, the claims in a VC can be about different subjects.
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