Bip39 Passphrase. The wallet handles the large lifting of changing the mnemonic words by way of a technique of complicated hashing, salting, and checksum operations into a binary "seed," which can be then accustomed to generate the all-vital personal and general public encryption keys. BIP39 Passphrase Wallet List Down below https://directory-engine.com/listings13038445/bip39-standard-https-linktr-ee-bip39-a-secret-weapon-for-bip39-npm