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<p>[QUOTE=&quot;krispy, post: 2066154, member: 19065&quot;]Models of so-called &quot;digital paper&quot; technology have been around for quite a few years. This BBC article I read and bookmarked long ago, goes back to 2007. <a href="http://news.bbc.co.uk/2/hi/technology/6723475.stm" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://news.bbc.co.uk/2/hi/technology/6723475.stm" rel="nofollow">Talking paper made by scientists.</a></p><p><br /></p><p>Embedding technology into paper (or cloth, clothes, etc.) which is a big area of research and development with the push towards wearable tech, would almost ensure precious metals are/will be used in paper and it could certainly be conceivably used in currency, though I doubt any will be developed due to the costs of the current technology. IF <u>secure</u> 3D printing that enables mass production of currency with such technology built in, that seems entirely within the realm of future potential, though all hinges on actual need and whether physical cash is even relevant at that point in time.</p><p><br /></p><p>Perhaps you already know of the <a href="https://www.valcambigold.com/products/gold/combibars" target="_blank" class="externalLink ProxyLink" data-proxy-href="https://www.valcambigold.com/products/gold/combibars" rel="nofollow">Valcombi cards </a>introduced a few years back, credit card sized 1 gram bars you can snap off and use in transactions.[/QUOTE]</p><p><br /></p>

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