Bip39 Passphrase. BIP32 and BIP44 do the job with each other to include flexibility, privateness, and interoperability to High definition Wallets. High definition Wallets increase the capabilities of deterministic wallets, letting for the management of a massive amount of keys, all of that are derived from the initial BIP39 mnemonic https://iwanttobookmark.com/story19493497/bip39-word-list-https-linktr-ee-bip39-bip39-generator-an-overview