Fortunately, in 2012 the developer Pieter Wuille developed the BIP32 specification at the base from the hierarchical deterministic wallets. Alongside one another with it, Pieter made a mathematical operate to create a learn vital from which to derive all other keys in a very deterministic way. This text clarifies BIP39, https://my-social-box.com/story4220068/fascination-about-bip39-english-words