Bip39 Checksum. At first you ought to retailer it Independently from your seed. Obtaining your seed along with your passphrase in the identical site defeats the purpose of having a passphrase to start with. inform your wallet How to define your cash guiding it in the tree and are described https://socialwoot.com/story20412867/bip39-wallet-https-linktr-ee-bip39-top-guidelines-of-bip39-mnemonic