Fortuitously, in 2012 the developer Pieter Wuille developed the BIP32 specification at The bottom from the hierarchical deterministic wallets. Alongside one another with it, Pieter designed a mathematical function to make a master essential from which to derive all other keys in a very deterministic way. Using BIP44 with BIP32 https://www.storeboard.com/blogs/beauty-and-fashion/opening-the-globe-of-bip39-a-comprehensive-guide-to-mnemonic-expressions-and-word-checklists/6026188