I like Amber Signer... this article is pertinent to me. I'm just a user and even now i have questions about buying hardware signers like Foundation Passport Prime and how it would even work. I presume QR codes, but then I've also heard about nsec bunkers, multisig, etc. I like the apps that educate me. I go with those. I presume that the maxim holds true... "Not your keys, not your notes?"
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