BIP39 stands for Bitcoin Enhancement Proposal 39. The words are selected from a certain list of 2048 common English words which can be used to the crank out a binary seed (your private important). BIP39 and 44, However, certainly are a More moderen kind of standardization of a particular list https://extrabookmarking.com/story18886514/the-ultimate-guide-to-bip39-seed-phrase-github