Bip39 Library A BIP39 mnemonic sentence is usually a list of words (mostly twelve or 24) that we are able to connect with much more effectively than other characters that are not words (bits and figures as well as the like). BIP39's purpose in introducing the use of mnemonic words https://wise-social.com/story4088461/word-bib-the-smart-trick-of-bip39-phrase-that-no-one-is-discussing