As far as I am able to explain to, copyright and Jaxx no longer guidance BIP39 passphrases. The consumer interfaces never present the user any means to enter just one even though restoring wallet. Nonetheless, I have not been ready to verify this with guidance from either wallet maker. BIP39 https://bookmarkedblog.com/story19593336/bip39-phrase-generator-can-be-fun-for-anyone