Thankfully, in 2012 the developer Pieter Wuille established the BIP32 specification at The bottom on the hierarchical deterministic wallets. Collectively with it, Pieter produced a mathematical function to create a learn critical from which to derive all other keys in a deterministic way. The use of BIP44 with BIP32 helps https://hotbookmarkings.com/story19002618/bip39-phrase-generator-can-be-fun-for-anyone