It's impossible to prevent Bob from publishing all Alice's messages (barring tech that can forcibly erase them from Bob's brain). The best you can do is not ma

It's impossible to prevent Bob from publishing all Alice's messages (barring tech that can forcibly erase them from Bob's brain). The best you can do is not make it possible for Bob to prove that the messages were not forged (however, this is not necessarily a good thing, and in fact the opposite can often be better).