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<p>[QUOTE=&quot;mlov43, post: 1805504, member: 16729&quot;]An encrypted code is about the only thing the TPGs can EASILY do and SHOULD be doing for the money they get.&nbsp; But they&#039;re not.&nbsp; That&#039;s really got to change, considering all the counterfeiting of their company&#039;s slabs.</p><p><br /></p><p>If they were to use a &quot;One Time Pad&quot; method to generate a &quot;grader-code&quot; for each slab, that would be the easiest.&nbsp; If you don&#039;t know what One Time Pad is, google it.&nbsp; It&#039;s worth a look.&nbsp; This is just one way to encrypt a code to ensure authenticity.&nbsp; There are others.</p><p><br /></p><p>As far as &quot;air tight&quot;... I think that&#039;s a lot harder than we think it is!&nbsp; I&#039;m no expert in packaging technology, but I think expecting air-tight slabs is a little much without having to pay a LOT more.&nbsp; Maybe I&#039;m wrong?[/QUOTE]</p><p><br /></p>

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