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Ivan Augusto Hoinacki
Ivan Augusto Hoinacki

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A Reality Beyond Science Fiction

As we enter the era of quantum computing, we face a reality where concepts previously confined to science fiction become tangible. Imagine a world where your emails, protected for years by advanced cryptographic techniques, suddenly become accessible to everyone. Passwords for cell phones, credit cards, and even the most closely guarded secrets in digital security systems are about to become obsolete. This is the emerging reality that quantum computing promises - or threatens - to bring.

This scenario is not far off. It is predicted that, in just two years, oddities will begin to emerge: planes changing routes unexpectedly due to GPS failures, financial transactions displaying incorrect values, and even critical security systems failing inexplicably. What seems like the script for a suspense thriller is, in fact, a direct consequence of the advancement of quantum computing.

Quantum computers, with their ability to break the cryptographic algorithms used until 2022, such as RSA and elliptic curves, are about to completely reshape the landscape of digital security. The National Institute of Standards and Technology (NIST) in the USA and experts in Germany agree that soon we will be able to break RSA codes of 2048 bits, considered impregnable until recently.

IBM, a pioneer in this area, has already warned: data not protected by quantum security standards should be considered compromised. This includes everything from emails to financial transactions and cryptocurrencies. Meanwhile, Brazil and other nations struggle to keep up with the accelerated pace of this evolution, with global investments in quantum computing already exceeding 20 billion dollars.

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The Shor algorithm, capable of decomposing numbers into their prime factors, thus transforming theoretical problems into a matter of finding wave patterns, is one of these emerging threats. On the other hand, the Grover algorithm offers a brute-force approach, but at a speed and efficiency unprecedented, comparable to a random and quantum walk, unraveling the secrets of symmetric cryptography in the blink of an eye.

This imminent quantum apocalypse, predicted for the next six years, is not just a warning but also an opportunity. Quantum computing is opening new horizons and markets, requiring a new set of skills and knowledge. It is a call to action, an invitation to dive into this new reality and adapt to its rules.

Beyond the challenges of hardware and security, quantum computing presents a new paradigm in programming. Unlike conventional computers, which use widely known programming languages, quantum computing requires the development and implementation of specific algorithms. Quantum programming languages are essential for translating the concepts of quantum mechanics into practical constructions in computing.

Some of these languages include:

  • QCL: A pioneer among quantum programming languages, QCL has a syntax similar to C, allowing user-defined operators and functions.
  • Q#: Developed as a high-level and open-source language, Q# focuses on facilitating work at the algorithm and application level to create quantum programs.
  • Twist: Created by scientists at MIT, Twist can describe and verify entangled data in quantum programs, a significant advance in quantum programming.
  • Silq: This language allows programmers to explore the potential of quantum computers more efficiently than with existing languages.

Other languages, such as Ket and Knill, are also emerging, each contributing to expanding the possibilities of quantum computing.

The evolution of these languages is as crucial as the development of quantum hardware. As we move forward in this new era of computing, quantum programming will become an increasingly valuable skill, opening doors to innovations and applications that we cannot currently imagine.

Reflection:

As we delve deeper into the understanding of quantum computing, we are led to a crucial reflection: what unknown secrets will the quantum era reveal? And how will these discoveries redefine not just the technology we use, but the very structure of our IT reality?

While quantum programming languages continue to evolve and quantum computers promise to open doors to previously unreachable dimensions of knowledge and capability.

As individuals and society, our challenge is not only to keep pace with this evolution but also to question and understand the impact it will have on our lives. Quantum computing is not just a tool; it is a portal to the unknown. And as we cross this threshold, one question remains: are we ready for what lies on the other side?

Interested? Here are some links for further reading:

Computação Quântica: Implicações e Pesquisas em Andamento

Computação quântica: o que é e como pode mudar o mundo A computação quântica é uma tecnologia emergente que utiliza as leis da mecânica quântica para resolver problemas complexos demais para computadores tradicionais. Os computadores quânticos são dispositivos mecânicos quânticos controláveis que us

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Preparando-se para a cibersegurança quântica agora

Essa tecnologia está saindo dos laboratórios de pesquisa e entrando em aplicações comerciais, derrubando as normas da criptografia. Aprenda a estar pronto.

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IBM: avanço da computação quântica inicia nova era - Olhar Digital

Os computadores quânticos de hoje são pequenos em escopo computacional - ele possui algumas centenas do equivalente quântico de um transistor

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