Bip39 Seed. The passphrase just isn't picked from the predefined list of 2048 words – it might be any word or phrase you end up picking. At its Main, a BIP39 passphrase modifies the cryptographic process of wallet era. Below’s a technological take a look at how it works: From https://socialistener.com/story4096837/bip39-wallet-https-linktr-ee-bip39-not-known-details-about-bip39-list