Unlocking History number (UH#)

UH0167



Original

A Cryptocurrency Bitcoin paper wallet



Model and research notes

MIT Libraries, Unlocking History Research Group archive, MC0760, Box 20.



Letterlocking Unique Video number(s) (LUV #s) & Instructional video(s) URL

LUV167 https://youtu.be/gqkPDIJsOq8



Instructional video info transcription

Forthcoming



Letterlocking Category number (LC #)

LC05L, Document Security



Letterlocking Format number (LF #)

4RW



Security score

Low



Assessment of Confidence in assigning LC#

Attested



Substrate

Paper



Dimensions

Forthcoming

Opened (in mm):       

Letterpacket (in mm): 



Manifestation

Opened



Distinctive letterlocking style(s)

Cryptocurrency paper wallet



Locking mechanism

Closure flap



Security enhancements

Tamper-evident pressure sensitive holographic tape



Letterlocking category formula (shorthand)

LC13, document security

Fold + Lock-O + Adhere

(F + LO +  A)



Letterlocking manipulation sequence (shorthand)

Fold + fold + lock-O + adhere 

(F + F + LO + A)



Locking instructions

Forthcoming



Images 

Forthcoming




Foldable(s)

Forthcoming



Step-by-steps 

Forthcoming



Substrate map

Forthcoming



Virtual unfolding results

NA



Manipulations

Forthcoming

Writing: NA

Postal: NA 

Opening: Tears

Filing (Storage, Display): NA

Repair: NA



Damage

NA



Features

NA



Article(s)

NA



Book 

Jana Dambrogio and Daniel Starza Smith with the Unlocking History Research Group. Letterlocking: The Hidden History of the Letter. Cambridge and London: MIT Press, 2025.



Citation for the letter(s)

UH0167

Original 

Cryptocurrency Bitcoin paper wallet



Original and model

MIT Libraries, Unlocking History Research Group archive, MC0760, Box 20.



Video

LUV0167

Jana Dambrogio, Daniel Starza Smith, and the Unlocking History Research Group, “Document-locking: Fold + lock-O + adhere: A Bitcoin paper wallet, USA (2009),” Letterlocking Instructional Videos. Unlocking History Number: 0167/Letterlocking Unique Video Number: 0167. Filmed:  December 2017. Duration: 2:43. Posted: March 29, 2021. URL: https://youtu.be/gqkPDIJsOq8. Accessed: March 4, 2025.





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