Luckily, in 2012 the developer Pieter Wuille designed the BIP32 specification at The bottom from the hierarchical deterministic wallets. With each other with it, Pieter developed a mathematical functionality to produce a master important from which to derive all other keys in a very deterministic way. Using BIP44 with BIP32 https://bookmarkalexa.com/story4687690/new-step-by-step-map-for-ledger-seed-phrase-bip39