Enter A Bip39 Passphrase A BIP39 mnemonic sentence is a set of words (mostly 12 or 24) that we can communicate with more properly than other characters that aren't words (bits and quantities as well as the like). BIP39's reason in introducing the use of mnemonic words would be to https://web.archive.org/web/20241123074420/https://bip39-phrase.com/