From ars technica:

How much do you worry about your credit card information falling into the wrong hands, either due to online security breaches or a lost or stolen card?

Dynamics Inc. is a company that claims to have the solution: a credit card that generates a one-time use code every time it is used, both for online and physical transactions.

The company showed off a number of credit card options here at CES, including the ability to keep a single card for multiple accounts. The secret lies in the company's innovative magnetic strip, which can be...

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