ISO/TR 6277:2024

Blockchain and distributed ledger technologies — Data flow models for blockchain and DLT use cases

ISO/TR 6277:2024

Name:ISO/TR 6277:2024   Standard name:Blockchain and distributed ledger technologies — Data flow models for blockchain and DLT use cases
Standard number:ISO/TR 6277:2024   language:English language
Release Date:22-Feb-2024   technical committee:ISO/TC 307 - Blockchain and distributed ledger technologies
Drafting committee:ISO/TC 307 - Blockchain and distributed ledger technologies   ICS number:35.030 - IT Security

Technical
Report
ISO/TR 6277
First edition
Blockchain and distributed ledger
2024-02
technologies — Data flow models
for blockchain and DLT use cases
Technologies des chaînes de blocs et technologies de registre
distribué - Modèles de flux de données pour les chaînes de blocs et
les cas d'utilisation de DLT
Reference number
© ISO 2024
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Published in Switzerland
ii
Contents Page
Foreword .v
Introduction .vi
1 Scope . 1
2  Normative references . 1
3  Terms and definitions . 1
4  Abbreviated terms . 3
5  Overview of data flow for DLT . 3
5.1 General .3
5.2 Categories of data flows .4
5.3 Data categories .4
5.3.1 Data categories from data storage perspective .4
5.3.2 Data categories from data sources perspective .5
5.3.3 Identifier data categories .6
5.3.4 Other data categories .6
5.4 Roles from the perspective of data flow .7
5.4.1 DLT stakeholder roles and stakeholder data .7
5.4.2 Roles/sub-roles and their activities related to data flow .7
5.5 Considerations related to data flow .8
5.5.1 Data security .8
5.5.2 Privacy protection .8
5.5.3 Governance of data .9
5.5.4 Interoperability .9
6  Intra-system data flow . 9
6.1 Overview .9
6.2 Data flow during DLT transaction procedure .10
6.2.1 Preliminary stage .10
6.2.2 Full life cycle data flow in one transaction .10
6.2.3 Overview of data process within DLT system . 12
7  Inter-system data flow .13
7.1 Data flows between DLT system and DLT system . 13
7.1.1 Outline . 13
7.1.2 Transaction submission .14
7.1.3 Transaction execution with eventual consistency .14
7.1.4 Result feedback . .14
7.1.5 Overview of data process between DLT system and DLT system .14
7.2 Data flows between DLT system and non-DLT system . 15
7.3 Data flow of DID . 15
8  Data flow analysis in DLT use cases .16
8.1 Overview .16
8.2 Template development . .16
8.2.1 DLT Data flow categories between components and interfaces .16
8.2.2 DLT use case categories .17
8.2.3 Data flow description in DLT use cases .21
8.3 Use case: Insurance service for fish farming . 23
8.3.1 Abstract . 23
8.3.2 Use case categories . . . 23
8.3.3 Use case summary .24
8.3.4 Data flow considerations .24
8.3.5 Visualizations . 25
8.4 Use case: International trade platform . 30
8.4.1 Abstract . 30
8.4.2 Use case categories . . . 30

iii
8.4.3 Use case summary .31
8.4.4 Data flow considerations .31
8.4.5 Visualizations .32
8.5 Use case: Peer-to-peer metaverse traveller network .37
8.5.1 Abstract .37
8.5.2 Use case categories . . . 38
8.5.3 Use case summary . 39
8.5.4 Data flow considerations . 39
8.5.5 Visualizations . 40
Annex A (informative)  Use case for data flow analysis — Example .46
Bibliography .49

iv
Foreword
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bodies (ISO member bodies). The work of preparing International Standards is normally carried out through
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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 document 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).
ISO draws attention to the possibility that the implementation of this document may involve the use of (a)
patent(s). ISO takes no position concerning the evidence, validity or applicability of any claimed patent
rights in respect thereof. As of the date of publication of this document, ISO had not received notice of (a)
patent(s) which may be required to implement this docu
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