Bip39 Mnemonic. Push X to abort passphrase application and retain modifying the passphrase. Deciding upon CANCEL immediately after an abort will quit the process. BIP39 is really a structure implementation that lays out how copyright wallets create the set of words (or "mnemonic codes") that make up a mnemonic sentence, https://hylistings.com/story20760916/bip39-word-list-pdf-https-linktr-ee-bip39-an-unbiased-view-of-bip-39