ISO/AWI 23257

Blockchain and distributed ledger technologies — Reference architecture

General information

Current stage: 20.00 New project registered in TC/SC work programme Nov 3, 2025

Originator: ISO

Owner: ISO/TC 307 Blockchain and distributed ledger technologies

Type: International Standard

Scope

This document specifies a reference architecture for Distributed Ledger Technology (DLT) systems including blockchain systems. The reference architecture addresses concepts, cross-cutting aspects, architectural considerations, and architecture views, including functional components, roles, activities, and their relationships for blockchain and DLT.

Life cycle

PREVIOUSLY

PUBLISHED
ISO 23257:2022

NOW

IN_DEVELOPMENT
ISO/AWI 23257
20.00 New project registered in TC/SC work programme
Nov 3, 2025