What you need

A Coldcard Mk.3 (buy here) 
5 metal seed plates (buy here)
Automatic center punch (buy here)
A USB-A to micro USB cable 
A microSD card 
An adapter to connect the USB-A cable to an electrical outlet or a power bank 
A desktop or laptop computer with one of the following operating systems:
MacOS 
Windows 
Debian / Ubuntu 
Linux
Paper and pen for the wallet backup process 
Felt tip marker
3 hours of your time 
An internet connection
Make sure you are in a secure location with no peering eyes
Close off any window blinds and make sure no camera can see what you’re doing (computer camera, phone camera, etc).
Last modified 1yr ago