Thankfully, in 2012 the developer Pieter Wuille established the BIP32 specification at The bottom on the hierarchical deterministic wallets. Collectively with it, Pieter made a mathematical purpose to create a master important from which to derive all other keys within a deterministic way. This text points out BIP39, the standard https://bookmarkinglive.com/story19622014/the-invalid-bip39-phrase-diaries