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Technology

The credit card that only works if you talk to it

By Celeste Biever

24 April 2004

A CREDIT card that will not work unless it hears its owner’s voice could become an important weapon in the fight against fraud.

The card requires users to give a spoken password that it authenticates using a built-in voice-recognition chip. The idea is to prevent thieves using a stolen card or fraudsters using someone else’s credit card details to buy goods online.

A prototype built by engineers at Beepcard in Santa Monica, California, represents the first attempt to pack a microphone, a loudspeaker, a battery and a voice-recognition chip into a standard-sized credit card. They are not quite there yet:…

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