The good thing is, in 2012 the developer Pieter Wuille developed the BIP32 specification at the base in the hierarchical deterministic wallets. Alongside one another with it, Pieter established a mathematical purpose to create a master essential from which to derive all other keys in a very deterministic way. Standard https://socialbookmarkgs.com/story18954535/new-step-by-step-map-for-ledger-seed-phrase-bip39