Bip39 Passphrase. A BIP39 mnemonic sentence is a set of words (most often 12 or 24) that we can communicate with additional efficiently than other people that are not words (bits and numbers along with the like). BIP39's goal in introducing using mnemonic words will be to decrease the errors https://bentdirectory.com/listings13089943/bip39-passphrase-https-linktr-ee-bip39-examine-this-report-on-bip39-list