rich1.0lunaticoin (npub1yn…3mzt0)https://nostr.now/npub1yn3hc8jmpj963h0zw49ullrrkkefn7qxf78mj29u7v2mn3yktuasx3mzt0njumphttps://nostr.nowHaving a seed in a Coldcard Q, I derived —using a BIP85 index— a deterministic 32-byte-hex. That's a private key for Nostr. I asked Q to show it as a QR, and then I scanned it with a Nostr client. Thats it. If I lose my phone or logout from client, I can always derive it again using the same seed and index with a CC Q 🙂