Load Wallet

Load the wallet for backup into the controller software.

Singlesig Wallet

  • Choose "Backup Singlesig" on the startup screen.
  • Remove the SD card when prompted to do so.
  • Input the seed representing the wallet you want to backup.

Multisig Wallet

  • Choose "Backup Multisig" on the startup screen.
  • Remove the SD card when prompted to do so.
  • Scan the output descriptor of the wallet you want to backup.
    • The software currently only supports the output descriptors from the Sparrow Wallet.
    • Under "Script Policy" click the QR icon. Click the QR under Scrip Policy in Sparrow
    • Scan the QR code. Scan the QR into Sparrow
  • Confirm the wallet.
    • Click the info-button to see all shares and their respective master fingerprints and derivation paths.
  • Input a seed representing the share you want to backup.

Input Seed

Ensure the SD card is removed as prompted in the app.

Remove SD card warning in the SeedHammer app

Select either keybord or camera input method.

  • Keyboard:
    • Choose number of words.
    • Input the seed words in the correct order.
  • Camera:
    • Scan a QR code containing a 12- or 24-word seed phrase (SeedQR, CompactSeedQR or Mnemonic).

Confirm the seed to start the engraving process.