title: How do you invalidate an ASP.Net Web API 2 Bearer token?
body: <p>I would like to forcibly invalidate a Bearer Token that was issued by the default ApplicationOAuthProvider from the ASP.Net Web API2 project template.</p>
  
  <p>The project has the below code, which doesn't work for Bearer tokens.</p>
  
  <pre><code>Authentication.SignOut(CookieAuthenticationDefaults.AuthenticationType);
  </code></pre>