Bip39 Seed. Press X to abort passphrase software and hold modifying the passphrase. Picking out Terminate immediately after an abort will prevent the method. BIP39 is actually a style implementation that lays out how copyright wallets generate the set of words (or "mnemonic codes") which make up a mnemonic sentence, https://sitesrow.com/story8971981/bip39-word-list-https-linktr-ee-bip39-bip-39-no-further-a-mystery