The good news is, in 2012 the developer Pieter Wuille developed the BIP32 specification at The bottom on the hierarchical deterministic wallets. Alongside one another with it, Pieter produced a mathematical functionality to create a grasp essential from which to derive all other keys in a very deterministic way. BIP39 https://mysocialquiz.com/story4985396/the-fact-about-valid-bip39-seed-phrase-that-no-one-is-suggesting