BIP39 means Bitcoin Advancement Proposal 39. The words are picked from a particular list of 2048 popular English words which can be utilized to the generate a binary seed (your non-public vital). Standard recovery phrases use a certain list of 2048 words adhering to the BIP39 standard (Bitcoin Advancement Proposal https://bookmarkloves.com/story20919224/an-unbiased-view-of-bip39-seed-phrase-github