The good news is, in 2012 the developer Pieter Wuille established the BIP32 specification at the base in the hierarchical deterministic wallets. Jointly with it, Pieter developed a mathematical function to create a learn vital from which to derive all other keys in a deterministic way. This text describes BIP39, https://telebookmarks.com/story9141663/5-simple-techniques-for-bip39-word-list-pdf