Quantum computers are now a reality, although they are still too rudimentary to factor numbers of more than two digits. But it is only a matter of time until quantum computers threaten Internet encryption.
Nature caught up with Shor to ask him about the impact of his work — and where Internet security is heading.
Nature talks to Peter Shor 25 years after he showed how to make quantum computations feasible — and how they could endanger our data.
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