Luckily, in 2012 the developer Pieter Wuille developed the BIP32 specification at The bottom in the hierarchical deterministic wallets. Together with it, Pieter created a mathematical purpose to create a grasp key from which to derive all other keys in a very deterministic way. A different benefit of BIP39 is https://socialbuzztoday.com/story4225072/bip39-phrase-generator-can-be-fun-for-anyone