Archangel: trusted archives of digital public records

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The National Archives has collaborated with the University of Surrey and the Open Data institute on the ARCHANGEL Project to research the potential of blockchain technology to underscore trust in digital records. Presentation given at CILIP Blockchain Briefing 2020, 27 February 2020

Tecnologia

ARCHANGEL- Trusted Archives of
Digital PublicRecords
AlexGreen
27February2020

Outline of the Session
1. Why blockchain for archives?
2. The ARCHANGEL project
3. The prototype
4. What we learned

Legitimate difference between AIP and DIP

The ARCHANGEL Project
https://www.archangel.ac.uk/
Funded by the RCUK Digital Economy Programme via EPSRC

Aim of the ARCHANGEL project
The ARCHANGEL project proposed using blockchain technology to verify the
integrity and provenance of digital records during the process of preserving the
records and when released.
The project used blockchain to record the checksums and other metadata from
records so that users could verify the integrity of records held:
• over lengthy periods of time,
• after periods of closure and
• throughout the curatorial processes

Key Properties of Blockchain
Distributed
Immutable
• Many participants involved in
each transaction
• Every participant has a copy
• Cannot edit the information
on the blockchain

What we learned
• IT department involvement – governance and policies in place
• Technical know-how and support for set-up
• Guidance on technology, terminology, set-up requirements and using the tool
• Practical value from being part of workflow
• People need to understand the technology to trust it

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Archangel: trusted archives of digital public records

1. ARCHANGEL- Trusted Archives of Digital PublicRecords AlexGreen 27February2020

2. Outline of the Session 1. Why blockchain for archives? 2. The ARCHANGEL project 3. The prototype 4. What we learned

4. ElevationforclockdialforBig Bentower

5. Digital Files Altered by Archivists

6. Archival Terminology: AIPs and DIPs

7. Legitimate difference between AIP and DIP

8. The ARCHANGEL Project https://www.archangel.ac.uk/ Funded by the RCUK Digital Economy Programme via EPSRC

9. Aim of the ARCHANGEL project The ARCHANGEL project proposed using blockchain technology to verify the integrity and provenance of digital records during the process of preserving the records and when released. The project used blockchain to record the checksums and other metadata from records so that users could verify the integrity of records held: • over lengthy periods of time, • after periods of closure and • throughout the curatorial processes

10. Key Properties of Blockchain Distributed Immutable • Many participants involved in each transaction • Every participant has a copy • Cannot edit the information on the blockchain

11.

12. Nodes in the ARCHANGEL Blockchain

13.

14.

15.

16.

17.

18.

19.

20. What we learned • IT department involvement – governance and policies in place • Technical know-how and support for set-up • Guidance on technology, terminology, set-up requirements and using the tool • Practical value from being part of workflow • People need to understand the technology to trust it

Archangel: trusted archives of digital public records

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