Bip39 Checksum. Push X to abort passphrase application and hold modifying the passphrase. Choosing CANCEL right after an abort will prevent the procedure. Employing passphrases increases stability and adaptability. Passphrases are a powerful option towards the duress PIN mainly because of the just about endless range of attainable wallets. From https://telebookmarks.com/story9060327/bip39-https-linktr-ee-bip39-5-simple-statements-about-bip39-mnemonic-explained