Bip39 App A BIP39 mnemonic sentence is usually a set of words (most commonly twelve or 24) that we are able to connect with a lot more properly than other characters that are not words (bits and quantities along with the like). BIP39's goal in introducing using mnemonic words is https://bookmarkbells.com/story18578777/bip39-passphrase-copyright-what-does-bip39-mean