what is it Dan?
https://github.com/nostr-protocol/nips/blob/master/46.md
that's like super sexy. any chance to have a compatibility with seedsigner and seedQR? would love to use a simple QR scan on my phone to extract the signed message from the signer. granted your HW design cannot be best
beat*
It doesn't have a camera or qr scanner but an idea worth considering.