Luckily, in 2012 the developer Pieter Wuille created the BIP32 specification at The bottom of the hierarchical deterministic wallets. Jointly with it, Pieter created a mathematical function to create a learn important from which to derive all other keys in a very deterministic way. Security: Everyone with your seed phrase https://push2bookmark.com/story19105000/considerations-to-know-about-bip39-seed-phrase-generator