Bip39. Push X to abort passphrase application and preserve editing the passphrase. Picking out CANCEL after an abort will cease the process. BIP39 is often a style and design implementation that lays out how copyright wallets generate the list of words (or "mnemonic codes") which make up a mnemonic sentence, https://socialistener.com/story4599767/bip39-word-list-https-linktr-ee-bip39-not-known-factual-statements-about-ian-coleman-bip39