The first amendment does what protects all anonymous speech protects anonymous speech provided it is lawful does not protect anonymous speech or does not protect lawful speech

The first amendment protects all forms of speech, including anonymous speech, as long as it is lawful. This means that individuals have the right to express their opinions and ideas anonymously without fear of government censorship or punishment, as long as their speech does not violate any laws (such as incitement to violence or defamation). So, the first amendment protects anonymous speech as long as it is lawful.