Bip39. The wallet handles the weighty lifting of converting the mnemonic words through a means of complicated hashing, salting, and checksum functions into a binary "seed," which can be then utilized to deliver the all-significant personal and community encryption keys. BIP32 was the 1st seed standard for hierarchical deterministic wallets. https://mydirectorys.com/listings13124930/bip39-vs-slip39-https-linktr-ee-bip39-5-simple-statements-about-bip39-compatible-wallet-explained