It could be an interesting device, definitely unique idea on placing Bitcoin, nostr and Passwords all together!
The site seems like a test for pre-orders/building a mailing list and maybe gathering feedback so here it goes...
Nostr keys are an inherently hot thing, since you're using them to sign/encrypt/decrypt online communications regularly... a remote signer needs to be online
Bitcoin cold storage is the opposite, you're using it rarely, a cold device that's connected defeat the purpose
Maybe this could hold descriptors and be part of a multisig setup, but then it probably shouldn't position itself as cold storage... not sure what the right nomenclature would be though, standalone signer?
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bad grammar and spelling mistakes, not a good look if you are expecting a professional team to back the device that secures your net worth
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