Quantum computers can crack encrypted sensitive data between minutes

Welcome to the future of data transparency: Quantum computers can reveal all the secret data currently encrypted, and this scene will appear in just a few years.

The head of the IBM Research Center warned that quantum computers can crack encrypted sensitive data protected by today's most powerful security technologies.

Due to the rapid advancement of quantum computer technology, this may happen in a few years.

Arvind Krishna, director of the IBM Research Center, said: "Who wants to ensure that their data is protected for more than 10 years, you should switch to other forms of encryption now."

Krishna made this statement at a meeting of the Churchill Club in San Francisco, when the panel of experts explored the quantum computer in the business world (second from the right). Members of the panel include Sam Moler, a professor of physics at Stanford University, and Bob Stolte, general manager of JPMorgan Chase, hosted by journalist Martin Giles (MarTInGiles, The first place on the left of the figure).

Quantum computers can solve certain types of problems almost instantaneously, and it takes billions of years to process them using traditional computers.

Moller said that people may feel safe because they have done everything they can to protect existing data, but quantum computers will be easy to crack. She said: "I do think this is terrible."

As far as the 1980s were concerned, quantum computers were good at decomposing large numbers, which is the basis of public key cryptography. But at that time, it was impossible to develop a quantum computer that was large enough.

Advances in new materials and cryogenic physics have led to many breakthroughs in the field of quantum computing in recent years, and large commercial quantum computer systems will soon be practical and operational within five years.

Krishna said there is an encryption method called LatTIce Field, which is believed to protect against quantum computing attacks.

He said: "The good news is that this encryption is as efficient as our current encryption, so it won't cost more."

Quantum computers can crack encrypted sensitive data between minutes

Quantum computer machines are currently rare and expensive, but are expected to solve many tricky computing problems. IBM Q is an attempt to develop a commercial system that has enabled more than 80,000 developers to run applications through a cloud-based interface.

Not all types of applications will benefit from quantum computers. It is best suited to solve problems that can be broken down into parallel processes, which require different coding techniques.

Krishna said: "We still don't know which applications are best for running on quantum computers. We need a lot of new algorithms."

In addition to solving tough computing problems, quantum computers are expected to save a lot of energy because of the proliferation of server farms and the growing computational demands of applications such as Bitcoin. Although it takes only a few watts per calculation, if you are running on a traditional system, you may need several server clusters to complete the calculation task.

Moller said that we still need another breakthrough, such as new materials with specific properties when the temperature is close to absolute zero.

A single atom (qubit) stays in place, but temperature changes can cause a lot of noise, which leads to errors. The extra qubits greatly increase the computational power of the system, but this requires more qubits for error correction.

The optimal number of qubits for each problem is not yet known.

There has also been considerable progress in the software technology required to make full use of the quantum system's computing power. In addition, new algorithms must be developed to handle error correction.

Krishna is convinced that quantum computers will be widely used in business within five years. He said, but don't wait, "I should start trying now."

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