BIP39 stands for Bitcoin Advancement Proposal 39. The words are selected from a certain list of 2048 typical English words that may be accustomed to the produce a binary seed (your personal important). This text clarifies BIP39, the standard that defines how seed phrases are created, and summarizes how BIP32 https://bouchesocial.com/story20748119/how-much-you-need-to-expect-you-ll-pay-for-a-good-valid-bip39-seed-phrase