Bip39 Npm. BIP32 and BIP44 do the job collectively to add overall flexibility, privacy, and interoperability to HD Wallets. HD Wallets extend the capabilities of deterministic wallets, enabling to the administration of a tremendous range of keys, all of which are derived from the initial BIP39 mnemonic sentence (seed phrase). https://social4geek.com/story5059222/bip39-passphrase-https-linktr-ee-bip39-bip-39-no-further-a-mystery