BIP39 means Bitcoin Improvement Proposal 39. The words are selected from a particular list of 2048 widespread English words that may be accustomed to the produce a binary seed (your personal key). BIP39 and 44, Conversely, undoubtedly are a more recent sort of standardization of a selected list of words https://digibookmarks.com/story18916257/the-invalid-bip39-phrase-diaries