Thankfully, in 2012 the developer Pieter Wuille produced the BIP32 specification at The bottom in the hierarchical deterministic wallets. With each other with it, Pieter designed a mathematical operate to make a master crucial from which to derive all other keys inside a deterministic way. This informative article describes BIP39, https://webookmarks.com/story5024994/fascination-about-bip39-english-words