Bip39 Passphrase. A BIP39 mnemonic sentence is often a list of words (most commonly twelve or 24) that we can easily communicate with much more successfully than other characters that are not words (bits and numbers plus the like). BIP39's goal in introducing the usage of mnemonic words would be https://morningdirectory.com/listings750985/bip39-python-https-linktr-ee-bip39-bip39-mnemonic-generator-fundamentals-explained