The good news is, in 2012 the developer Pieter Wuille created the BIP32 specification at The bottom of the hierarchical deterministic wallets. Together with it, Pieter made a mathematical perform to produce a master critical from which to derive all other keys within a deterministic way. BIP39 and 44, However, https://express-page.com/story4208168/considerations-to-know-about-bip39-word-list-pdf