Bip39. Push X to abort passphrase software and hold editing the passphrase. Choosing Terminate immediately after an abort will halt the procedure. BIP39 can be a style and design implementation that lays out how copyright wallets produce the list of words (or "mnemonic codes") which make up a mnemonic sentence, https://wavesocialmedia.com/story4319218/bip39-generator-https-linktr-ee-bip39-5-simple-statements-about-bip39-mnemonic-explained