Bip39 Seed Phrase. Now, at the next amount we use these getting and alter critical bunch to deliver individual personal keys. Use the above produce private keys and chain code and move them to the above mentioned outlined functionality kchild = kpar + hash(Kpar, cpar, i) to make personal keys. https://single-bookmark.com/story18904145/bip39-passphrase-https-linktr-ee-bip39-what-does-ian-coleman-bip39-mean