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O ne challenge facing the Internet of Things 1,2 is labeling physical objects to let them participate in the digital world. Until now, most solutions addressed this issue by using either 1D or 2D bar codes or RFID. 3 Such RFID devices include the 2.4-GHz Hitachi µ-chip, 4 the widely deployed 13.56-MHz Mifare (http://mifare.net) and Felica(More)
We propose a new hardware and software solution for anti-counterfeiting that puts product authentication directly into the hands of end-users, enabling them to be confident of the authenticity of a product regardless of the integrity of the distribution chain. This is made possible by a new type of tamper-resistant hardware chip, called " memory spot " ,(More)
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