The Remnant
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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).