The good news is, in 2012 the developer Pieter Wuille established the BIP32 specification at the base from the hierarchical deterministic wallets. Together with it, Pieter established a mathematical operate to create a master critical from which to derive all other keys in the deterministic way. BIP39 and forty four, https://hubwebsites.com/story20104301/bip39-seed-phrase-fundamentals-explained