BIP39 stands for Bitcoin Improvement Proposal 39. The words are selected from a certain list of 2048 common English words which can be accustomed to the crank out a binary seed (your personal vital). This post points out BIP39, the standard that defines how seed phrases are made, and summarizes https://webookmarks.com/story5024517/the-ultimate-guide-to-bip39-seed-phrase-mnemonics-generator