What you need

• A Coldcard Mk.3 (buy here)

• A USB-A to micro USB cable

• A microSD card (32GB or less)

• An adapter to connect the USB-A cable and/or the microSD card to your computer

• 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

• 60 minutes 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).