Bip39 Seed. BIP32 and BIP44 do the job together so as to add adaptability, privacy, and interoperability to HD Wallets. HD Wallets increase the capabilities of deterministic wallets, allowing for with the management of a big quantity of keys, all of which can be derived from the first BIP39 mnemonic https://socialbuzzfeed.com/story4130449/bip39-wallets-https-linktr-ee-bip39-how-much-you-need-to-expect-you-ll-pay-for-a-good-ian-coleman-bip39