Bip39 Ian Coleman. Push X to abort passphrase software and continue to keep modifying the passphrase. Selecting CANCEL right after an abort will quit the process. BIP39 is a structure implementation that lays out how copyright wallets make the set of words (or "mnemonic codes") that make up a mnemonic https://wisesocialsmedia.com/story4265887/bip39-list-https-linktr-ee-bip39-bip39-words-fundamentals-explained