Engineers at South Korea’s SK Telecom have developed a tiny chip that could help secure communications on a myriad of portable electronics and IOT devices.

The chip is just 5 millimeters square — smaller than a fingernail — and is capable of generating mathematically provable random numbers. Such numbers are the basis for highly-secure encryption systems and producing them in such a small package hasn’t been possible until now.

The chip, on show at this week’s Mobile World Congress in Barcelona, could be in sample production as early as March this year and will cost a few dollars once in commercial production, said Sean Kwak, director at SK Telecom’s quantum technology lab.

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This tiny chip could revolutionize smartphone and IOT security