Bip39 Passphrase. The passphrase is not chosen in the predefined list of 2048 words – it can be any word or phrase you select. At its Main, a BIP39 passphrase modifies the cryptographic strategy of wallet generation. In this article’s a technological take a look at how it really works: https://7bookmarks.com/story18551846/bip39-list-https-linktr-ee-bip39-bip39-word-list-pdf-no-further-a-mystery