Blockchain and distributed ledger technologies — Identifiers of subjects and objects for the design of blockchain systems

This document provides an overview of identifiers [and their standards and register(s)] relevant for the design of blockchain systems and the interoperability of those systems with non-blockchain systems.

The following criteria were used for inclusion of identifiers in this document:

—???? Identifiers (and their standards and registers) issued by the public sector for subjects and objects such as citizen numbers, business registration numbers or land registration numbers;

—???? Identifiers that are internationally recognized and fulfil one of the following criteria:

—???? An identifier is an international standard of an SDO (Standard Development Organization);

—???? An identifier is a de facto standard according to the norms of the industry involved (even if it is not an international standard of an SDO).

—???? Identifiers that have relevance for DLT systems as it fulfils one of the following criteria:

—???? An identifier that has been used without DLT, but has proven to solve the problems of DLT services using DLT;

—???? An identifier that was designed with the usage of DLT in mind from the beginning.

Edition	2023
Published Date	2023
Published By	International Standardization Organisation/Technical Reference
Page Count	50

ISO/TR

ISO/TR 5262:2023

ISO/TR 12770:2023

ISO/TR 4421:2023

ISO/TR 24666:2023

ISO/TR 27925:2023

ISO/TR 7470:2023

ISO/TR 5911:2023

ISO/TR 6832:2023

ISO/TR 11147:2023

ISO/TR 6039:2023

ISO/TR 23644:2023

ISO/TR 9143:2023