&gt; it sends that cookie to you as part of a URL in the confirmation email<p>This certainly isn&#x27;t a web cookie in the sense that I&#x27;m used to (a cookie would be a part of the HTTP header, and you can&#x27;t specify that header in a URL). It is more like a token as I understand it. Maybe what you are describing is how the web cookie term was started (based on the behavior of generating a thing that someone else gives back to you) but it doesn&#x27;t sound like a cookie at all to me.