The good news is, in 2012 the developer Pieter Wuille developed the BIP32 specification at The bottom in the hierarchical deterministic wallets. Alongside one another with it, Pieter created a mathematical function to produce a master essential from which to derive all other keys in the deterministic way. Standard recovery https://worldsocialindex.com/story4129352/5-essential-elements-for-bip39-explained