Bip39 Checksum. What this means is that should you set a passphrase when you configure your wallet, and You then place some copyright into your wallet - all is properly; the thing is your copyright! But then if you decide to install a next wallet, using just your seed phrase https://seek-directory.com/listings13028061/bip39-dictionary-https-linktr-ee-bip39-5-simple-techniques-for-bip39-wallet