ISO/TR 23249:2022
Blockchain and distributed ledger technologies – Overview of existing DLT systems for identity management
This document provides an overview of existing DLT systems for identity management, i.e. the mechanisms by which one or more entities can create, receive, modify, use and revoke a set of identity attributes.
This document covers the following topics:
— Managing identity for individuals, organizations, things (IoT & objects), functions and processes and other entities including within and across DLT systems.
— Description of the actors and their interactions and common interfaces.
— Architectures.
— Existing relevant standards and frameworks.
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Abbreviated terms
5 Existing taxonomies and conceptual architectures
5.1 General
5.2 NIST Taxonomic approach for blockchain IDMS
5.2.1 General
5.2.2 Authority model
5.2.3 Custody and delegation
5.2.4 Identifier origination schemes
5.2.5 Credential architectures
5.3 Functional role of DLT in identity systems
5.4 Trust Over IP Foundation
6 Existing DLT systems for identity management
6.1 General
6.2 uPort
6.3 Decentralized Identity Foundation (DIF)
6.4 Alastria ID
6.5 European Self Sovereign Identity Framework (ESSIF)
6.6 SovrinTM Network, Hyperledger Indy, Hyperledger Aries and Hyperledger Ursa
6.7 WEF Known Traveller Digital Identity (KTDITM)
6.8 WeIdentity
6.9 Masterchain
6.9.1 General
6.9.2 Actors in the system
6.10 LACChain
6.11 Decentralised digital architecture based on blind signatures
6.11.1 General
6.11.2 Actors in the system
6.11.3 Functions in the system
6.11.4 Flow of messages in the system
7 Existing relevant standards and frameworks
Bibliography
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Abbreviated terms
5 Existing taxonomies and conceptual architectures
5.1 General
5.2 NIST Taxonomic approach for blockchain IDMS
5.2.1 General
5.2.2 Authority model
5.2.3 Custody and delegation
5.2.4 Identifier origination schemes
5.2.5 Credential architectures
5.3 Functional role of DLT in identity systems
5.4 Trust Over IP Foundation
6 Existing DLT systems for identity management
6.1 General
6.2 uPort
6.3 Decentralized Identity Foundation (DIF)
6.4 Alastria ID
6.5 European Self Sovereign Identity Framework (ESSIF)
6.6 SovrinTM Network, Hyperledger Indy, Hyperledger Aries and Hyperledger Ursa
6.7 WEF Known Traveller Digital Identity (KTDITM)
6.8 WeIdentity
6.9 Masterchain
6.9.1 General
6.9.2 Actors in the system
6.10 LACChain
6.11 Decentralised digital architecture based on blind signatures
6.11.1 General
6.11.2 Actors in the system
6.11.3 Functions in the system
6.11.4 Flow of messages in the system
7 Existing relevant standards and frameworks
Bibliography