Bip39 Dictionary. The passphrase is not selected with the predefined list of 2048 words – it may be any word or phrase you choose. By using a passphrase, you include an additional layer of security on your wallet, preserving your cash regardless of whether your seed phrase is compromised. From https://45listing.com/story20529888/bip39-wallet-https-linktr-ee-bip39-a-simple-key-for-bip39-unveiled