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¿µ¹®Ç¥Áظí Interoperability Framework for Heterogeneous Decentralized Identity Management Services - Part 4: Credential Data Schema Conversion
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¿µ¹®³»¿ë¿ä¾à The decentralized identity management service covered by this standard consists of issuer, user, verifier and verifiable data registry. In decentralized identity management service, the issuer issues credentials to the user, the user submits the issued credentials to the verifier, and the verifier uses the verifiable data registry to validate the user's credentials before providing services. Recently, as decentralized identity management services are applied in various fields, a heterogeneous decentralized identity management service environment has arrived in which users submit credentials issued by a decentralized identity management services to other services to provide application services.

This standard proposes an interoperability framework for heterogeneous decentralized identity management services, and includes:
⋅Part 1: Common requirements describe requirements and frameworks for interoperability by deriving possible problems in a heterogeneous decentralized identity management service environment.
⋅Part 2: Issuer identity information management defines requirements and functions for registering, managing, and providing identity information of a credential issuer. And it describes the identity information management structure and procedure for the credential issuer.
⋅Part 3: Credential management defines requirements and functions that can be used without duplicate issuance of credentials in various devices by securely integrating and managing user credentials.
⋅Part 4: Credential data schema conversion defines the requirements and functions for mechanically identifying the credential data schema that cannot be interpreted by the verifier in a heterogeneous decentralized identity management service environment.
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