Best Seed Phrase Generator A BIP39 mnemonic sentence is really a list of words (most commonly twelve or 24) that we are able to communicate with far more efficiently than other characters that aren't words (bits and numbers as well as the like). BIP39's intent in introducing using mnemonic words https://bookmarksusa.com/story18557334/bip39-checksum-the-fact-about-bip39-phrase-that-no-one-is-suggesting