BIP39 stands for Bitcoin Enhancement Proposal 39. The words are chosen from a particular list of 2048 widespread English words that may be utilized to the deliver a binary seed (your private key). BIP39 and 44, However, are a Newer sort of standardization of a selected list of words (passphrase) https://whitebookmarks.com/story19045102/5-simple-techniques-for-bip39-word-list-pdf