Enter A Bip39 Passphrase A BIP39 mnemonic sentence can be a set of words (most often 12 or 24) that we can easily interact with much more correctly than other characters that are not words (bits and numbers as well as the like). BIP39's reason in introducing using mnemonic words https://bookmarkangaroo.com/story18848247/bip39-html-the-5-second-trick-for-bip39-word-list