Somehow reminded me instantly of a galvanic isolation...
This message was generated on an offline device. Indeed this device was never connected to the internet.
It was shared from its local relay to my local relay via Bluetooth (and Negentorpy)
I were able to recover it with Amethyst and broadcast it to my online relays.
Everything thanks to nostr:nprofile1qqszfrv3m6acxyqy4ghuega2n74rntkrfg9sp4pmse94vul56gnul8cpz4mhxue69uhkummnw3ezummcw3ezuer9wchsxej3h9 🥳 I think I'm getting closer to an alpha version
Discussion
That's basically the concept of air gap in the Bitcoin community. I'm considering the use case for nostr:nprofile1qqszfrv3m6acxyqy4ghuega2n74rntkrfg9sp4pmse94vul56gnul8cpz4mhxue69uhhyetvv9ujuerpd46hxtnfduhs33xu96 where you can have an offline signer device broadcasting notes to another connected to the internet