ISO/TS 23526:2023

ISO/PRF TS 23526
ISO/TC 68/SC 02/WG 17 2
Secretariat: BSI
Date: YYYY-MM-DD2023-07-19
Security Aspectsaspects for Digital Currenciesdigital currencies
FDIS stage

© ISO 2023 – All rights reserved

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© ISO/TS 23526 2023

Warning for WDs and CDs
This document is not an ISO International Standard. It is distributed for review and comment. It is subject to
change without notice and may not be referred to as an International Standard.
Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of
which they are aware and to provide supporting documentation.



© ISO #### – All rights reserved

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ISO/PRF TS 23526:(E)
© ISO 2022
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this
publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical,
including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can
be requested from either ISO at the address below or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: + 41 22 749 01 11
EmailE-mail: copyright@iso.org
Website: www.iso.orgwww.iso.org
Published in Switzerland

iv © ISO 2023 – All rights reserved

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ISO/PRF TS 23526:(E)
Contents
Foreword . vii
Introduction . viii
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Considerations on security framework for digital . 2
4.1 General . 2
4.2 Security considerations for processing digital currencies . 3
4.3 Variations of security frameworks . 3
4.3.1 Non-fiat digital currency (digital asset) security framework . 3
4.3.2 Creating a national digital currency with an anonymity security framework . 4
4.3.3 Secure digital cash as digital currency with consumer identity security framework . 4
4.4 Overview of security frameworks . 4
4.4.1 General . 4
4.4.2 Standards as a basis for security frameworks . 4
5 The emergence of currency in digital formats . 5
5.1 Digital cash representing money as a basis for financial usage with security. 5
5.2 Cryptocurrencies as a digital entity for financial usage . 6
5.3 Cryptocurrencies and the digital currency market challenges . 6
5.4 Cryptocurrencies and financial market formats . 7
5.5 Cryptocurrencies and banking regulation – stablecoin example . 8
5.6 Security criteria representing security aspects .
...

TECHNICAL ISO/TS
SPECIFICATION 23526
First edition
Security aspects for digital currencies
PROOF/ÉPREUVE
Reference number
ISO/TS 23526:2023(E)
© ISO 2023

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ISO/TS 23526:2023(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2023
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii
PROOF/ÉPREUVE © ISO 2023 – All rights reserved

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ISO/TS 23526:2023(E)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Considerations on security framework for digital . 2
4.1 General . 2
4.2 Security considerations for processing digital currencies . 3
4.3 Variations of security frameworks . 3
4.3.1 Non-fiat digital currency (digital asset) security framework . 3
4.3.2 Creating a national digital currency with an anonymity security framework . 3
4.3.3 Secure digital cash as digital currency with consumer identity security
framework . 4
4.4 Overview of security frameworks . 4
4.4.1 General . 4
4.4.2 Standards as a basis for security frameworks . 4
5 The emergence of currency in digital formats . 4
5.1 Digital cash representing money as a basis for financial usage with security . 4
5.2 Cryptocurrencies as a digital entity for financial usage . 5
5.3 Cryptocurrencies and the digital currency market challenges . 6
5.4 Cryptocurrencies and financial market formats . 6
5.5 Cryptocurrencies and banking regulation – stablecoin example . 7
5.6 Security criteria representing security aspects. 8
5.6.1 Security objects .
...