ColdHodl on Nostr: COLDCARD + Debifi = air-gapped collateral control. Borrow without exposing keys or ...

COLDCARD + Debifi = air-gapped collateral control. Borrow without exposing keys or compromising security.

Get yourself COLDCARD Q, COLDCARD Mk4 or TAPSIGNER at http://coldhodl.com 🚀

quoting
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Keep your keys offline. 🗝️

Debifi supports offline signing devices, so your private key never touches an internet-connected machine.

✅ Your own key
✅ Sign via SD card or NFC
✅ Battery-powered

Your Bitcoin stays secure. 🔐
Your sovereignty stays intact. 🔒