it's basically a 2 of 3 signature device: hardware, phone, cloud.
if you lose your phone and device, you set up a list of trusted contacts that can help you recover your cloud backup with a new hardware
i've been playing around with it, seems cool, even though I'm not still 100% sure what happens if bitkey servers ever go down or the company disappears

Bitkey
I lost both my phone AND my Bitkey hardware device. What should I do?
Before you begin:
If you only lost your phone, see:Β π I lost my phone. What should I do?
If you only lost your hardware device, see:Β π I l...