Bip39 Seed Phrase. The passphrase is just not picked with the predefined list of 2048 words – it could be any word or phrase you decide on. BIP39 is usually a layout implementation that lays out how copyright wallets create the list of words (or "mnemonic codes") which make up https://bookmarkmoz.com/story18959690/bip39-https-linktr-ee-bip39-getting-my-bip39-passphrase-to-work