I had dabbled with making something similar to ColdIron as a...

inkan

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hex

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nevent

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2026-08-21T11:48:27Z

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5ddad976f08f6cd799b86efed8615d534a6428053a4f521df88bc6762a2a9369...

I had dabbled with making something similar to ColdIron as an airgapped place to create Nostr identities and sign key delegation and revocation transactions.

I didn't go about it as thoroughly as you seem to have done. I basically started with Tails OS, asked an AI to strip out network functionality, and added the Inkan Management Utility, resulting in this:

https://gitlab.com/inkan_dev/inkan-offline-live

I wonder whether the Management Utility would run inside ColdIron. I may take a closer look.

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