Luckily, in 2012 the developer Pieter Wuille made the BIP32 specification at the base from the hierarchical deterministic wallets. Together with it, Pieter produced a mathematical purpose to produce a grasp key from which to derive all other keys in a very deterministic way. This short article points out BIP39, https://bookmarkspedia.com/story4394782/details-fiction-and-bip39