Bip39 mnemonic phrase word list https://www.anobii.com/en/01000289012ff9b293/profile/activity You then plan to allow BIP-39 passphrase support in the hardware wallet and stamp the passphrase(s) over a hexagonal chrome steel rod and keep the rod inside a separate geographical site to the 24-word seed backup as a way to: BitBox02 - A successor https://cruxbookmarks.com/story20888392/bip39-mnemonic-code-detailed-notes-on-bip39-wallet-https-t-me-bip39-chat