Bip39 Vs Slip39. The wallet handles the large lifting of converting the mnemonic words via a process of advanced hashing, salting, and checksum operations into a binary "seed," and that is then accustomed to crank out the all-essential non-public and general public encryption keys. BIP32 and BIP44 are similar standards https://listedirectory.com/listings583907/bip39-mnemonic-https-linktr-ee-bip39-the-greatest-guide-to-bip39-checksum