Fortuitously, in 2012 the developer Pieter Wuille designed the BIP32 specification at the base from the hierarchical deterministic wallets. Together with it, Pieter made a mathematical function to create a grasp crucial from which to derive all other keys in a deterministic way. BIP39 and 44, on the other hand, https://meshbookmarks.com/story19536014/a-review-of-bip39