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<img src="https://www.Blockchaincommons.com/images/bcc-card.jpg" width=1024>
<font size="5">Blockchain Commons #Gordian Meeting
2026-01-06</font>
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## <img src="https://i.imgur.com/QyDl5nK.png" width="192" height="192"></br> What is Blockchain Commons?
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* We are a community interested in self-sovereign control of digital assets.
* We bring together stakeholders to collaboratively develop interoperable infrastructure.
* We design decentralized solutions where everyone wins.
* We are a neutral "not-for-profit" that enables people to control their own digital destiny.
</font>
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Thank you to our Sponsors!
<img src="https://hackmd.io/_uploads/HkL6BW5hge.png" style="border: 1px white solid;">
Become a sponsor!
Mail us at team@blockchaincommons.com
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## <img src="https://i.imgur.com/QyDl5nK.png" width=192 height="192"><br/>Happy New Year!
<font size=6>
**Today's Topics:**
- The Year in Review (in Brief)
- A Playground Demo
- Updating Known Values
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## <img src="https://i.imgur.com/QyDl5nK.png" width=192 height="192"><br/>2025 in Review
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Watch for our full blog post on the year!
But in brief:
new technologies,
new directions, and
a FROST capstone
Here's a bit more on our recent tech ...
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## <img src="https://i.imgur.com/QyDl5nK.png" width=192 height="192"><br/>2025: Clubs
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**New Technology!**
* <font color="gold">Autonomous Cryptographic Objects</font>
* Pass around Envelopes of Data
* Encrypt Data, Sign Paylords
* _Preserve Agency When Infrastructure Fails_
https://developer.blockchaincommons.com/clubs/
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## <img src="https://i.imgur.com/QyDl5nK.png" width=192 height="192"><br/>2025: Provenance Marks
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**New Technology!**
* <font color="gold">Forward Commitment Hash Chain</font>
* Order Linked Digital Objects
* Track Editions, State Changes, Histories
* _Verify against Fraud_
https://developer.blockchaincommons.com/provemark/
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## <img src="https://i.imgur.com/QyDl5nK.png" width=192 height="192"><br/>2025: Hubert
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**New Technology!**
* <font color="gold">Dead-Drop Hub</font>
* Exchange Messages through Distributed Storage
* Extreme Privacy: Messages Look Like Noise!
* _Foil Surveillance & Censorship with Decentralization_
https://developer.blockchaincommons.com/hubert/
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## <img src="https://i.imgur.com/QyDl5nK.png" width=192 height="192"><br/>2025: FROST
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**A Capstone for our FROST Work!**
* Demos for FROST with Bitcoin
* Demo for FROST with Hubert
* ZF FROST Signing Verification Tool
* Learning FROST from the Command Line
https://developer.blockchaincommons.com/frost/
https://learningfrost.blockchaincommons.com/
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## <img src="https://i.imgur.com/QyDl5nK.png" width=192 height="192"><br/>2025: Great Community Support
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**Finally, Thanks to Our Community!**
* Our libraries are now converted to 10(!) languages
* There was a big expansion of Typescript in 2025
* There are now two playgrounds for our specs
And here's Leonardo to talk about his work ...
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## <img src="https://i.imgur.com/QyDl5nK.png" width=192 height="192"><br/>About Known Values
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* <font color="gold">Integers to Represent Concepts</font>
* Easy, Standardized Compact Binary Representation
* BCR 2023-002 for Current List
* How Do We Best Open Up their Expansion to the Community?
https://github.com/BlockchainCommons/Research
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## <img src="https://i.imgur.com/QyDl5nK.png" width=192 height="192"><br/>Why We Are Revisiting This?
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* We Have Multiple Blockchain Interested in This!
* There is a Broader Community!
* So We Need to Support Interop Better
* For Example, Many Known Values Are Bitcoin Specific
* Then Others Can Take Advantage of CSR, FROST, etc.
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## <img src="https://i.imgur.com/QyDl5nK.png" width=192 height="192"><br/>On to Revisiting SSI
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**We are Revisiting Self-Sovereign Identity Principles!**
* Next Meeting for Americas, US, Europe:
* Mon Jan 13, 10am PST / 7pm CET
* Next Meeting for Asia-Pacific, Europe:
* Tue Jan 14, 3pm JST / 7am CET
* Join the SSI Mailing List or Signal for Zoom URL!
https://www.blockchaincommons.com/subscribe/
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## <img src="https://i.imgur.com/QyDl5nK.png" width=192 height="192"><br/>Next Gordian Meeting
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**February 4th**
* Current Planned Topics:
* Envelope Builder
* Typescript Libraries
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<img src="https://i.imgur.com/QyDl5nK.png" width="128" height="128"></br>
www.BlockchainCommons.com
<img src="https://avatars.githubusercontent.com/ChristopherA?s=195">
Christopher Allen (@ChristopherA)
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