Bip39 Passphrase. The passphrase isn't selected with the predefined list of 2048 words – it may be any word or phrase you end up picking. At its core, a BIP39 passphrase modifies the cryptographic technique of wallet generation. Here’s a specialized have a look at how it really works: BIP-32 https://livebackpage.com/story5011783/bip39-https-linktr-ee-bip39-a-review-of-bip39-word-list-pdf