Bip39 Seed Phrase. The passphrase is just not selected with the predefined list of 2048 words – it could be any word or phrase you choose. BIP39 is a design and style implementation that lays out how copyright wallets create the set of words (or "mnemonic codes") that make up https://esocialmall.com/story4416270/bip39-mnemonic-https-linktr-ee-bip39-not-known-factual-statements-about-bip39-list