Bip39 Vs Slip39. At the start you should retailer it Independently out of your seed. Possessing your seed and your passphrase in exactly the same site defeats the goal of aquiring a passphrase to start with. With out a passphrase, your funds are only as protected as your seed phrase. https://telebookmarks.com/story9214589/bip39-passphrase-https-linktr-ee-bip39-a-review-of-bip39-generator