I have sparrow + coldcard and im trying to sign message but I cant find 1 simple guide how to do it.
Im sure I saw and tested it in past from some BTC session video but I tried to look all his sparrow and coldcard tutorials but none of them have anything about signing messages.
EDIT: figured it out, I was using it in the USB mode but had selected airgapped mode from sparrow and thats why the button was greyed out.
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