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SpecterDIY single seed multi-location backup scheme

The smartcard reader is part of the Specter Shield (out of stock currently) or can be used as a USB extension.

Do not encrypt the secret on the smartcard to be able to restore in any other SpecterDIY device. Use a long PIN for the smartcard. 8 or more digits are recommended.


Components grouped together by the requirement for a full restore

Full backup 1

  • SpecterDIY hardware wallet with a smartcard reader
  • Smartcard with the secret stored
  • Smartcard PIN
  • BIP39 passphrase

    Full backup 2

  • Any BIP39 compatible wallet
  • Seed mnemonic (12/24 words)
  • BIP39 passphrase

Packages for a 2-of-3 setup

Location 1

  • SpecterDIY hardware wallet with a smartcard reader
  • Smartcard with the secret stored
  • BIP39 passphrase

Location 2

  • SpecterDIY hardware wallet with a smartcard reader
  • Smartcard PIN
  • BIP39 passphrase

Location 3

  • Seed mnemonic (12/24 words)