Sproxil?s Mobile Product Authentication? (MPA?) solution allows consumers to verify that the product they are buying is genuine, by using a mobile phone and a simple, free text message. The company uses a scratch card method, similar to that used for replenishing mobile talk-time, to allow users to reveal a one-time-use code on drugs and text the code to a ?911 for fake drugs? number which is identical on all mobile networks within a country
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