Fortunately, in 2012 the developer Pieter Wuille developed the BIP32 specification at The bottom in the hierarchical deterministic wallets. Jointly with it, Pieter created a mathematical function to create a grasp critical from which to derive all other keys in a very deterministic way. This post explains BIP39, the standard https://mysocialport.com/story4593342/the-invalid-bip39-phrase-diaries