Bip39 Seed. Push X to abort passphrase application and maintain modifying the passphrase. Picking out CANCEL soon after an abort will halt the procedure. BIP39 is really a design implementation that lays out how copyright wallets create the list of words (or "mnemonic codes") that make up a mnemonic sentence, https://bookmarkspecial.com/story19669549/bip39-wallet-https-linktr-ee-bip39-the-fact-about-bip39-wallets-that-no-one-is-suggesting