The original version of this story appeared in Quanta Magazine. In our increasingly digital lives, security depends on cryptography. Send a private message or pay a bill online, and you’re relying on ...

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Members can download this article in PDF format. In our day-to-day lives, the use of cryptography is everywhere. For example, we use it to securely send passwords over vast networks for online ...

The quantum threat to cybersecurity is easy enough to state. A quantum computer of sufficient size can efficiently factor integers and compute discrete logarithms by Shor's algorithm, breaking much of ...

Having steered cybersecurity at major global banks for over two decades, I've seen technology change the game time and again. Now, quantum computing is stepping onto the field, bringing with it a ...

Author Nick Sullivan worked for six years at Apple on many of its most important cryptography efforts before recently joining CloudFlare, where he is a systems engineer. He has a degree in mathematics ...

Quantum computing is on the horizon, promising to solve complex problems beyond the capabilities of classical computers. But for Bitcoin and other cryptocurrencies, which rely on today’s cryptographic ...