The good news is, in 2012 the developer Pieter Wuille produced the BIP32 specification at the base with the hierarchical deterministic wallets. Jointly with it, Pieter designed a mathematical functionality to create a grasp essential from which to derive all other keys in a very deterministic way. Standard recovery phrases https://socialimarketing.com/story4355145/ledger-seed-phrase-bip39-no-further-a-mystery