This is just a concept, and the question is if it makes better offline money then eCash would do !?
I printed a small chip with a NTAG 424 inside.
It functions like a boltcard.
https://i.nostr.build...
I like the idea, though I had to look into the technical Workflow and test it to really get an opinion.
But why 4210?
But why 4210?
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