BIP39 stands for Bitcoin Improvement Proposal 39. The words are picked from a selected list of 2048 common English words that may be used to the create a binary seed (your non-public crucial). This post clarifies BIP39, the standard that defines how seed phrases are created, and summarizes how BIP32 https://atozbookmark.com/story18737281/examine-this-report-on-bip39-passphrase