BIP39 stands for Bitcoin Advancement Proposal 39. The words are picked from a certain list of 2048 common English words that may be accustomed to the make a binary seed (your private important). Standard recovery phrases use a selected list of 2048 words subsequent the BIP39 standard (Bitcoin Advancement Proposal https://indexedbookmarks.com/story18750352/how-much-you-need-to-expect-you-ll-pay-for-a-good-bip39-seed-phrase-mnemonics-generator