Bip39 Passphrase. A BIP39 mnemonic sentence can be a list of words (mostly twelve or 24) that we can interact with more productively than other characters that aren't words (bits and numbers and the like). BIP39's reason in introducing the usage of mnemonic words is usually to reduce the mistakes https://ukdirectorylist.com/listings13014432/bip39-word-list-numbers-https-linktr-ee-bip39-bip39-word-list-no-further-a-mystery