Bip39 Seed Phrase. The passphrase just isn't chosen from the predefined list of 2048 words – it might be any word or phrase you choose. At its Main, a BIP39 passphrase modifies the cryptographic means of wallet generation. In this article’s a complex take a look at how it works: https://kingbookmark.com/story18840337/bip39-word-list-https-linktr-ee-bip39-getting-my-bip39-passphrase-to-work