Samourai Wallet single seed multi-location backup scheme
Documentation on Samourai Wallet recovery:
https://support.samourai.io/article/18-restore-your-samourai-wallet-with-your-secret-words
https://support.samourai.io/article/8-restore-wallet-from-auto-backup-file
In case of restoring the wallet in different software (eg. Electrum) check
https://walletsrecovery.org for the derivation paths used.
Note that Samourai Wallet does not allow spaces in the passphrase.
Components grouped together by the requirement for a full restore
Full backup 1
- Seed (12 words)
- Passphrase (without spaces)
Full backup 2
- Backup file (encrypted text)
- Passphrase (without spaces)
Full backup 3
- Android device with the wallet loaded (locked with PIN codes)
- use a secondary, dedicated device for backup
- have 2*8 digits PINs which are different from the primary device
- have a locked bootloader with the latest security patches
- PIN codes to the Android Device AND Samourai Wallet
- test if the phone and the wallet can be unlocked with the PINs even after a restart
Packages for a 2-of-3 setup
Location 1
- Seed (12 words)
- Backup file (encrypted text)
- PIN codes to the Android Device AND Samourai Wallet
Location 2
- Passphrase (without spaces)
- PIN codes to the Android Device AND Samourai Wallet
Location 3
- Seed (12 words)
- Android device with the wallet loaded (locked with PIN codes)