In piracy, you had the _intent_ of doing something, and that's illegal, regardless of whether or not you had the knowledge it was illegal. In this case, you ha

In piracy, you had the _intent_ of doing something, and that's illegal, regardless of whether or not you had the knowledge it was illegal. In this case, you have an idea that child porn is illegal, but you had no idea it was coming through your blockchain. Those are very different cases.