Bip39. BIP32 and BIP44 get the job done with each other to include flexibility, privacy, and interoperability to High definition Wallets. High definition Wallets extend the abilities of deterministic wallets, letting to the management of a massive number of keys, all of which might be derived from the first BIP39 https://onelifesocial.com/story4476086/bip39-passphrase-https-linktr-ee-bip39-5-essential-elements-for-bip-39