Bip39 Compatible Wallet. The passphrase is not selected through the predefined list of 2048 words – it may be any word or phrase you decide on. If you add a passphrase to your seed phrase, it absolutely improvements the derived private keys and general public addresses for your personal wallet. https://tvsocialnews.com/story5133359/bip39-mnemonic-https-linktr-ee-bip39-5-essential-elements-for-bip-39