Bip39-Standalone. The passphrase is not really picked from the predefined list of 2048 words – it may be any word or phrase you end up picking. BIP39 is actually a style and design implementation that lays out how copyright wallets build the list of words (or "mnemonic codes") that make https://bookmarklinkz.com/story19506333/bip39-passphrase-https-linktr-ee-bip39-bip39-wallet-fundamentals-explained