No Bullshit Bitcoin on Nostr: COLDCARD Mk4 v5.4.2 & Q v1.3.2: Co-sign and Key Teleport The latest firmware updates ...

COLDCARD Mk4 v5.4.2 & Q v1.3.2: Co-sign and Key Teleport

The latest firmware updates for COLDCARD devices introduce two major features: COLDCARD Co-sign (CCC) and Key Teleport between two COLDCARD Q devices using QR codes and/or NFC with a website.

https://www.nobsbitcoin.com/coldcard-mk4-v5-4-2-q-v1-3-2/