Bip39 Checksum. The seed phrase is often converted to a range and that is applied because the seed integer into a deterministic wallet that generates all of the critical pairs used in the wallet. BIP32 and BIP44 are associated standards which have paved the way for other wallet options, which https://iseodirectory.com/listings13051930/bip39-seed-phrase-https-linktr-ee-bip39-5-simple-techniques-for-bip39-wallet