Bip39 Word List. The passphrase isn't picked in the predefined list of 2048 words – it might be any word or phrase you select. BIP39 is a structure implementation that lays out how copyright wallets build the list of words (or "mnemonic codes") which make up a mnemonic sentence, And https://kbookmarking.com/story19486953/bip-39-https-linktr-ee-bip39-top-guidelines-of-bip39-passphrase