The good thing is, in 2012 the developer Pieter Wuille designed the BIP32 specification at the base of the hierarchical deterministic wallets. Jointly with it, Pieter produced a mathematical purpose to produce a grasp vital from which to derive all other keys in a very deterministic way. On this page https://bookmarkfavors.com/story4394201/facts-about-bip39-seed-phrase-github-revealed