BIP39 means Bitcoin Improvement Proposal 39. The words are selected from a certain list of 2048 frequent English words which can be utilized to the create a binary seed (your non-public important). This text points out BIP39, the standard that defines how seed phrases are made, and summarizes how BIP32 https://bookmarkeasier.com/story18690412/not-known-factual-statements-about-bip39-explained