ISO/TR 23644:2023
Blockchain and distributed ledger technologies (DLTs) — Overview of trust anchors for DLT-based identity management
This document describes concepts and considerations on the use of trust anchors for systems leveraging blockchain and distributed ledger technologies (DLTs) for identity management, i.e. the mechanism by which one or more entities can create, be given, modify, use and revoke a set of identity attributes.
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Abbreviated terms
5 Types of trust anchors
5.1 Overview
5.2 Legal trust anchors
5.3 Data trust anchors
5.4 Cryptographic trust anchors
5.5 Cybersecurity trust anchors
5.6 Social trust anchors
6 Existing trust anchors for DLT-based identity management
6.1 Overview
6.2 Cryptographic trust anchors in public key infrastructures
6.3 Cryptographic trust anchors — Federated PKI
6.4 Social trust anchor architectures
6.5 Cryptographic trust anchors — Autonomic identifiers
6.6 Data trust anchors in eID regulations – eIDAS Regulation
6.7 Data trust anchors in non-PKI-based SSI solutions using DIDs
6.8 Data trust anchors in non-PKI-based, non-DID partial SSI solutions using ZKP
7 Using trust anchors
7.1 Representing multiple dimensions of risk
7.2 Chains of trust
7.2.1 General
7.2.2 Legal trust anchors
7.2.3 Data trust anchors
7.2.4 Cryptographic trust anchors
7.3 Use of trust anchors in applications
Bibliography
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Abbreviated terms
5 Types of trust anchors
5.1 Overview
5.2 Legal trust anchors
5.3 Data trust anchors
5.4 Cryptographic trust anchors
5.5 Cybersecurity trust anchors
5.6 Social trust anchors
6 Existing trust anchors for DLT-based identity management
6.1 Overview
6.2 Cryptographic trust anchors in public key infrastructures
6.3 Cryptographic trust anchors — Federated PKI
6.4 Social trust anchor architectures
6.5 Cryptographic trust anchors — Autonomic identifiers
6.6 Data trust anchors in eID regulations – eIDAS Regulation
6.7 Data trust anchors in non-PKI-based SSI solutions using DIDs
6.8 Data trust anchors in non-PKI-based, non-DID partial SSI solutions using ZKP
7 Using trust anchors
7.1 Representing multiple dimensions of risk
7.2 Chains of trust
7.2.1 General
7.2.2 Legal trust anchors
7.2.3 Data trust anchors
7.2.4 Cryptographic trust anchors
7.3 Use of trust anchors in applications
Bibliography