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).
Export as PDF
Copy link