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American Focus > Blog > Tech and Science > Quantum Computers Pose a Grave Risk to The Future. Here’s Why. : ScienceAlert
Tech and Science

Quantum Computers Pose a Grave Risk to The Future. Here’s Why. : ScienceAlert

Last updated: June 7, 2025 9:25 am
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Quantum Computers Pose a Grave Risk to The Future. Here’s Why. : ScienceAlert
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The potential impact of quantum computers on cryptographic codes has been a hot topic in recent news. With new estimates suggesting that cracking codes could be 20 times easier than previously thought, concerns about global security have been raised.

Cryptography plays a crucial role in securing various aspects of cyberspace, from wifi networks to online banking and digital currencies like bitcoin. The latest estimates indicate that a quantum computer with 1 million qubits could potentially crack the popular RSA algorithm, which was previously thought to require 20 million qubits.

While quantum computers exist today, their capabilities are limited due to technological barriers that need to be overcome. Different design approaches are being explored in the development of quantum computers, with significant investments being made in this field.

For commonly used cryptographic tools, such as symmetric cryptography, which encrypts most of our data, the impact of quantum computing may be minimal. However, public-key cryptography, which is used for setting up secure connections online, could be more vulnerable to quantum attacks.

Digital signatures, like those used in bitcoin transactions, rely on public-key cryptography and could be at risk from future quantum computers. The RSA algorithm, in particular, may be more vulnerable due to the type of mathematics it employs.

The timeline and capabilities of quantum computing development remain uncertain, with experts divided on when we can expect significant advancements in this field. Despite the uncertainty, it is crucial to prepare for the possibility of cryptographically relevant quantum computers in the future.

To address these challenges, the US National Institute for Standards and Technology (Nist) has initiated a competition to design new post-quantum cryptographic tools that can resist quantum attacks. The development of post-quantum encryption standards is underway to ensure the security of digital systems against future quantum threats.

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While the future of quantum computing and its impact on cryptography is still unclear, it is essential to evaluate risks and plan for the adoption of post-quantum cryptographic mechanisms. Organizations are advised to conduct cryptographic inventories and establish migration plans to ensure the security of their systems in the face of potential quantum threats.

In conclusion, while the prospect of quantum cryptography may seem daunting, it is important to approach the issue with caution and preparedness. By staying informed and proactive, we can ensure that our digital systems remain secure in the face of emerging technologies.

TAGGED:computersFutureGraveHeresposeQuantumRiskScienceAlert
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