Luckily, in 2012 the developer Pieter Wuille created the BIP32 specification at The bottom in the hierarchical deterministic wallets. Together with it, Pieter made a mathematical purpose to produce a grasp key from which to derive all other keys in a very deterministic way. The usage of BIP44 with BIP32 https://travialist.com/story9018882/invalid-bip39-phrase-things-to-know-before-you-buy