Bip39 Checksum. BIP32 and BIP44 work with each other to include flexibility, privateness, and interoperability to HD Wallets. HD Wallets increase the abilities of deterministic wallets, letting to the management of an enormous number of keys, all of that are derived from the first BIP39 mnemonic sentence (seed phrase). At https://bookmarkspy.com/story21018760/bip39-wallets-https-linktr-ee-bip39-bip39-wallet-fundamentals-explained