Bip39 Mnemonic Code Converter Tool. The passphrase is not really picked with the predefined list of 2048 words – it may be any word or phrase you choose. BIP39 can be a style and design implementation that lays out how copyright wallets develop the list of words (or "mnemonic codes") https://ztndz.com/story23511903/bip39-mnemonic-https-linktr-ee-bip39-the-best-side-of-bip39