COLDCARD Mk4 Firmware 5.2.0 release 🍄⏫
## **TL;DR**: First #bitcoin Singing-Device to store MULTIPLE seeds 🎉. Switch between them effortlessly. Ideal for custodians (think Grandma's stash), d...
Is it ok if we don’t update this firmware for a month or two due to this key and device being in a different geographical location?