Bip39-Standalone. Firstly you ought to shop it SEPARATELY out of your seed. Obtaining your seed and your passphrase in a similar spot defeats the goal of aquiring a passphrase to begin with. Entropy is a sophisticated function. Your mnemonic may be insecure if this function is utilized improperly. Study more https://bookmarkblast.com/story19081798/bip39-wallets-https-linktr-ee-bip39-bip-39-no-further-a-mystery