Secure diamond smart cards and exchange systems therefor
a diamond and smart card technology, applied in the field of secure diamond smart cards and exchange systems therefor, can solve the problems of affecting the authenticity of active trading diamonds, the inability to value diamonds on the spot, and the substitution of fake or non-genuine diamonds for real diamonds, so as to achieve high security and reliable results
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[0028]Referring to FIG. 1, the diamond card 10 of the present invention comprises a generally rectangular, credit card shape device which is relatively thin and which has a body 12 with embedded visual patterns 14 that prevent counterfeiting. Also embedded in the card 10 is a PUF (physically uncontrollable feature) chip 16 which can be interrogated via first and second antennae 18 and 20 that enable communication and interrogation via the mobile device 11 as further described below. The interrogation can be via NFC (near field communication) and / or RFID (radio frequency identification) interfaces in well-known manner. The diamond package 10 also includes visual identification information 22, for example, serial number, bar code and other descriptive information. One portion of the body 12 defines a transparent pouch 26 in which are visibly housed diamonds 30 at a thickened portion 24 of the diamond package 10.
[0029]A key feature is the PUF chip 16. For this invention, one can utiliz...
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