The fight in the U.S. over publication of software for 3D-printed firearms highlights freedom-of-speech issues that may resurface in future attempts by governments to regulate crypto and distributed networks. Both cryptocurrency protocol software and AutoCAD files may be protected speech under the 1st Amendment. Nevertheless, if someone develops and implements software that runs afoul of U.S. law, they could face liability. For instance, illegal gambling software is has been denied First Amendment protections. Hypothetical possibility for abuse can drive the public to panic and lead to legal barriers.