ISO/DIS 24165-1

Digital token identifier (DTI) -- Registration, assignment and structure

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DRAFT INTERNATIONAL STANDARD
ISO/DIS 24165-1
ISO/TC 68/SC 8 Secretariat: SNV
Voting begins on: Voting terminates on:
2021-02-08 2021-05-03
Digital token identifier (DTI) — Registration, assignment
and structure —
Part 1:
Method for registration and assignment
ICS: 03.060
THIS DOCUMENT IS A DRAFT CIRCULATED
FOR COMMENT AND APPROVAL. IT IS
THEREFORE SUBJECT TO CHANGE AND MAY
NOT BE REFERRED TO AS AN INTERNATIONAL
STANDARD UNTIL PUBLISHED AS SUCH.
IN ADDITION TO THEIR EVALUATION AS
BEING ACCEPTABLE FOR INDUSTRIAL,
This document is circulated as received from the committee secretariat.
TECHNOLOGICAL, COMMERCIAL AND
USER PURPOSES, DRAFT INTERNATIONAL
STANDARDS MAY ON OCCASION HAVE TO
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WHICH REFERENCE MAY BE MADE IN
Reference number
NATIONAL REGULATIONS.
ISO/DIS 24165-1:2021(E)
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TO SUBMIT, WITH THEIR COMMENTS,
NOTIFICATION OF ANY RELEVANT PATENT
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PROVIDE SUPPORTING DOCUMENTATION. ISO 2021
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ISO/DIS 24165-1:2021(E)
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© ISO 2021

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ii © ISO 2021 – All rights reserved
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ISO/DIS 24165-1:2021(E)
Contents Page

Foreword ........................................................................................................................................................................................................................................iv

Introduction ..................................................................................................................................................................................................................................v

1 Scope ................................................................................................................................................................................................................................. 1

2 Normative references ...................................................................................................................................................................................... 1

3 Terms and definitions ..................................................................................................................................................................................... 1

4 Eligibility Criteria for Application ...................................................................................................................................................... 3

4.1 Applicant eligibility requirements ......................................................................................................................................... 3

4.2 Digital token eligibility requirement .................................................................................................................................... 3

4.3 Preliminary issuance provision ................................................................................................................................................ 4

5 Application information ............................................................................................................................................................................... 4

5.1 General ........................................................................................................................................................................................................... 4

5.2 Applicant information....................................................................................................................................................................... 4

5.3 Digital Token Technical Information .................................................................................................................................... 4

5.4 Descriptive Information .................................................................................................................................................................. 4

6 Digital Token Identifier Code Structure ....................................................................................................................................... 4

6.1 Constituents............................................................................................................................................................................................... 4

6.2 Uniqueness ................................................................................................................................................................................................. 4

6.3 Display ............................................................................................................................................................................................................ 5

7 Registry components ....................................................................................................................................................................................... 5

8 Assignment ................................................................................................................................................................................................................. 5

9 R egistration Authority .................................................................................................................................................................................... 5

9.1 Name and contact details of the RA ...................................................................................................................................... 5

9.2 Service pr ovision for the RA ........................................................................................................................................................ 5

Annex A (normative) Check Character Calculation ............................................................................................................................... 6

Bibliography ................................................................................................................................................................................................................................ 9

© ISO 2021 – All rights reserved iii
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ISO/DIS 24165-1:2021(E)
Foreword

ISO (the International Organization for Standardization) is a worldwide federation of national standards

bodies (ISO member bodies). The work of preparing International Standards is normally carried out

through ISO technical committees. Each member body interested in a subject for which a technical

committee has been established has the right to be represented on that committee. International

organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.

ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of

electrotechnical standardization.

The procedures used to develop this document and those intended for its further maintenance are

described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the

different types of ISO documents should be noted. This document was drafted in accordance with the

editorial rules of the ISO/IEC Directives, Part 2 (see www .iso .org/ directives).

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of

any patent rights identified during the development of the document will be in the Introduction and/or

on the ISO list of patent declarations received (see www .iso .org/ patents).

Any trade name used in this document is information given for the convenience of users and does not

constitute an endorsement.

For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and

expressions related to conformity assessment, as well as information about ISO's adherence to the

World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT), see www .iso .org/

iso/ foreword .html.

This document was prepared by Technical Committee ISO/TC 68, Financial services, Subcommittee SC 8,

Reference data for financial services.
A list of all parts in the ISO 24165 series can be found on the ISO website.

Any feedback or questions on this document should be directed to the user’s national standards body. A

complete listing of these bodies can be found at www .iso .org/ members .html.
iv © ISO 2021 – All rights reserved
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ISO/DIS 24165-1:2021(E)
Introduction

With the rise in popularity of peer-to-peer payment systems relying less on centralized authorities,

and instead on aspects of cryptography, decentralized processing, and a distributed network for the

maintenance of a shared record of transaction activity, the need to identify the digital tokens issued,

traded, transacted or stored on these networks has grown. Stakeholders in the trading community,

service providers, custodians, and regulatory bodies have identified numerous use cases where a

standard identifier for accounting, research, tracking, and management of these digital tokens would

improve efficiency and eliminate confusion in the marketplace.

However, the nature of these new types of digital asset means they do not fit within the structure of

existing ISO identifiers in part because they might lack clear reference to an issuing authority and might

not be considered the liability of an issuing authority or corporate governing body. These digital assets,

in many cases, are cross geographic and monetary governance jurisdictions.

Though these digital assets are sometimes referred to as cryptocurrencies, virtual currencies or

digital currencies, the term ‘currency’ has a specific meaning as defined by ISO 4217. This definition

is in conflict with the nature of the digital tokens identified within this document due to the reasons

described above; namely, the lack of monetary authority and geographic location.

Where traditional financial instruments or currencies are tokenized for electronic exchange, and issued

by a legal entity or a monetary authority responsible for it, other International Standards, such as

ISO 6166 or ISO 4217 may apply. To eliminate confusion for users of this document, care has been taken

to provide a clear definition and eligibility criteria for assignment of a Digital Token Identifier (DTI).

This document is addressed to applicants seeking to identify digital tokens conforming to the definition

provided in this document. The data elements used to distinguish one set of digital tokens from another,

are, wherever possible, objective, and publicly available. Inclusion in the registry and the issuance of an

identifier signifies only the existence of the token and its 1:1 relationship to its identifier.

ISO 24165 is organized into the following parts.
— ISO 24165-1 describes the method of registration and assignment of a DTI

— ISO 24165-2 describes the data elements required for registration and display on the DTI registry

© ISO 2021 – All rights reserved v
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DRAFT INTERNATIONAL STANDARD ISO/DIS 24165-1:2021(E)
Digital token identifier (DTI) — Registration, assignment
and structure —
Part 1:
Method for registration and assignment
1 Scope

This document defines the assignment and generation of a random, unique, fixed-length identifier for

digital tokens in response to a request for registration that conforms to specified application guidelines

(see also ISO 24165-2)
2 Normative references

The following document is referred to in the text in such a way that some or all of their content

constitutes requirements of this document. For dated references, only the edition cited applies. For

undated references, the latest edition of the referenced document (including any amendments) applies.

ISO 24165-2, Data elements for registration and display on the DTI registry
IEC 7064, Information technology — Security techniques — Check character systems
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.

ISO and IEC maintain terminological databases for use in standardization at the following addresses:

— ISO Online browsing platform: available at https:// www .iso .org/ obp
— IEC Electropedia: available at http:// www .electropedia .org/
3.1
asset
anything that has value to a stakeholder
[SOURCE: ISO 19299:2015, 3.3]
3.2
block
data structure comprising a block header (3.5) and block data (3.4)
[SOURCE: ISO 22739:2020, 3.2]
Note 1
...