Bip39 Passphrase Generator. The wallet handles the large lifting of converting the mnemonic words by way of a technique of complex hashing, salting, and checksum operations right into a binary "seed," that is then accustomed to produce the all-critical private and community encryption keys. BIP32 and BIP44 are related standards https://webdirectorytalk.com/listings635197/bip39-online-https-linktr-ee-bip39-bip39-mnemonic-things-to-know-before-you-buy