&gt; <i>And being &quot;anonymous&quot; is rather pointless. It&#x27;s ones DNA! That&#x27;s an ultimate biometric.</i><p>But unless it&#x27;s tied to my identity, I don&#x27;t care! It may be the ultimate biometric, but <i>that</i> only matters if they can compare it to my DNA by taking it from me directly - and at that point, they have my DNA, so it doesn&#x27;t matter whether I previously provided it anonymously or not!