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This is an audio long read from nature.

In this episode, The Race to Save the Internet from Quantum Hackers.

Written by Davidae Castelvecki and read by me, Benjamin Thompson.

In cybersecurity circles, they call it Q-Day,

the day when quantum computers will break the internet. Almost everything we do online is made possible by the quiet, relentless hum of cryptographic algorithms.

These are systems that scramble data to protect our privacy, establish our identity and secure our payments.

And they work well, even with the best supercomputers available today, breaking the codes that the online world currently runs on would be an almost hopeless task.

But machines that will exploit the quirks of quantum physics threaten that entire deal.

If they reach their full scale, quantum computers would crack current encryption algorithms

exponentially faster than even the best non-quantam machines can.

A real quantum computer would be extremely dangerous, says Eric Raskola,

chief technology officer of the Firefox browser team at Mozilla in San Francisco, California.

...