The good news is, in 2012 the developer Pieter Wuille created the BIP32 specification at The bottom with the hierarchical deterministic wallets. Jointly with it, Pieter created a mathematical functionality to make a master key from which to derive all other keys within a deterministic way. BIP39 and forty four, https://bookmarkfame.com/story18682402/examine-this-report-on-bip39-mnemonic-phrase-tool