The good thing is, in 2012 the developer Pieter Wuille created the BIP32 specification at the base with the hierarchical deterministic wallets. With each other with it, Pieter designed a mathematical function to produce a master key from which to derive all other keys within a deterministic way. Mnemonic words https://bookmarksusa.com/story18988375/facts-about-bip39-seed-phrase-word-list-revealed