Bip39 Seed Phrase. The passphrase is just not selected in the predefined list of 2048 words – it can be any word or phrase you choose. BIP39 specifies a list of 2048 words from which the mnemonic phrase is picked out. Each word signifies a range within a binary sequence, https://getsocialnetwork.com/story4296920/bip39-wallets-https-linktr-ee-bip39-not-known-factual-statements-about-bip39-list