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Guest Post: Quantum Security Won’t Take 20 Years — It’s Already Here

CEO of SeQure
CEO of SeQure
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Guest Post by Paulina Assmann
CEO of SeQure Quantum and expert on Chile’s Advisory Commission for Quantum Technologies

Recent statements by Nvidia’s CEO, Jensen Huang, have sparked an intriguing debate about the timeline for quantum computers to reach their full potential. Huang estimates that developing “truly useful” quantum devices could take anywhere from 15 to 30 years, with a general consensus around two decades.

While this perspective reflects the evolution of quantum computing as a tool for solving complex optimization and simulation problems, it overlooks what quantum technologies are already achieving today.

The truth is that the quantum world isn’t solely defined by the race toward universal quantum computers. There are tangible, highly functional applications already transforming key industries. Among them, quantum solutions for digital security stand out—a field where SeQure Quantum and other companies are making a significant impact.

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Today, we have quantum random number generators that provide unprecedented levels of entropy and automatic authentication, detecting cyberattack attempts in real time and ensuring robust protection for critical data. These technologies are neither prototypes nor future concepts; they are fully deployed and internationally certified tools that enhance the security of financial systems, communication networks, and government platforms.

Quantum security addresses urgent present-day needs. In an era of increasingly sophisticated cyber threats, protecting sensitive information requires advanced solutions. Quantum security isn’t just a natural evolution—it’s an immediate necessity for safeguarding our data.

Reducing the discussion about quantum technology’s value to the long wait for the “holy grail” of universal quantum computers limits our understanding of its real-world impact today. Current applications prove that the quantum revolution is already underway, reshaping how we protect information and strengthen digital security.

The challenge isn’t just reaching that long-term horizon; it’s also about educating and raising awareness of the tangible opportunities these technologies offer now. Businesses, governments, and individuals must recognize that their data security can be significantly enhanced by these innovations—without waiting decades.

The quantum promise is already being fulfilled. We just need to look beyond conventional expectations to recognize the opportunities available today.

Matt Swayne

With a several-decades long background in journalism and communications, Matt Swayne has worked as a science communicator for an R1 university for more than 12 years, specializing in translating high tech and deep tech for the general audience. He has served as a writer, editor and analyst at The Quantum Insider since its inception. In addition to his service as a science communicator, Matt also develops courses to improve the media and communications skills of scientists and has taught courses. [email protected]

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