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<p>[QUOTE=&quot;-jeffB, post: 3785078, member: 27832&quot;]As an &quot;explanation&quot; the stuff from the RCM leaves a lot to be desired. &quot;We zoom in on microscopic die characteristics, which we won&#039;t specifically identify, because we want to make sure only our readers can distinguish them.&quot;</p><p><br /></p><p>Security through obscurity works until someone gets a peek behind the veil of obscurity. When you&#039;re minting millions of coins, and distributing hundreds or thousands of readers, someone is eventually going to peek.</p><p><br /></p><p>Maybe nobody&#039;s succeeded yet, and this authentication scheme adds value as a result. But if someone <i>ever</i> figures out how to produce (say) counterfeit 2018 Gold Maples, it ruins the authenticity test for <i>all</i> the 2018 Gold Maples sitting in vaults, SDBs, or dealer cases.[/QUOTE]</p><p><br /></p>

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