Fortuitously, in 2012 the developer Pieter Wuille developed the BIP32 specification at The bottom with the hierarchical deterministic wallets. With each other with it, Pieter created a mathematical purpose to make a grasp important from which to derive all other keys in the deterministic way. This informative article describes BIP39, https://peakbookmarks.com/story19069462/bip39-phrase-generator-can-be-fun-for-anyone