Bip39 Passphrase. Press X to abort passphrase application and hold modifying the passphrase. Picking out Terminate immediately after an abort will end the procedure. BIP39 is really a structure implementation that lays out how copyright wallets produce the set of words (or "mnemonic codes") that make up a mnemonic sentence, https://bookmarkmiracle.com/story20287615/bip39-wallet-https-linktr-ee-bip39-not-known-facts-about-bip39