Bip39 Passphrase Generator. At first you should keep it Independently from the seed. Possessing your seed along with your passphrase in the identical site defeats the objective of aquiring a passphrase to begin with. Entropy is a complicated feature. Your mnemonic could be insecure if this element is used improperly. https://bouchesocial.com/story21727760/bip39-wallets-https-linktr-ee-bip39-the-best-side-of-bip39