Bip39 Bitcoin Improvement Proposal 39 A BIP39 mnemonic sentence is often a list of words (most often 12 or 24) that we can connect with more successfully than other people that are not words (bits and figures as well as like). BIP39's intent in introducing the use of mnemonic words https://dmozbookmark.com/story18629950/seed-phrase-generator-copyright-rumored-buzz-on-bip39-phrase