The good news is, in 2012 the developer Pieter Wuille created the BIP32 specification at the base of the hierarchical deterministic wallets. Jointly with it, Pieter produced a mathematical function to create a learn essential from which to derive all other keys in a deterministic way. By following the following https://classifylist.com/story20703261/ledger-seed-phrase-bip39-no-further-a-mystery