The published study raises heated debates and some concerns 23rd of December by some Chinese researchers. The authors of the paper claim to have achieved the ability to “crack” the most widely used encryptions thanks to the use of quantum computers. Among them are those complex algorithms on which cryptocurrencies are based, Bitcoin at the top. researcher they proclaim they can, but not that they can’t yet. The question arises whether this hypothesis is justified. Quantum computers, among other things, have a much higher speed than traditional when performing calculations, this makes them potential able to quickly “crack” encrypted data., which poses security risks for currently used systems. A theoretical threat that has been known for some time, but that the Chinese study seems to concretize. Quantum computers are still in an embryonic stage of development and cannot be said at this time a clear superiority over conventional computers. The most advanced computer known to date was developed by IBM, who made a chip out of it 433 qubits, the basic units of quantum computing that would allow it to outperform traditional devices. However, little is known about the actual performance of this machine and its actual accuracy, as error control is one of the great challenges of this technology.
However, the Chinese study shows that security risks have already reached possible alert levels, with tools possibly already available. The first evaluations of the reviewers describe the content of the work as “solid”. Interview with the Financial Times RogerGrimesa cybersecurity expert explains that the Chinese announcement is very far-reaching. Among other things, it could mean that a government could easily take possession of (and not only) enemy countries’ protected files using these methods. However, other experts stress that the study is flawed in quantifying time which would serve to break encryption with existing technologies. That could be years or centuries. The Chinese study builds on a publication by the German mathematician from last year Claus-Peter Schnorr containing an algorithm potentially capable of penetrating security systems. However, some of the necessary calculations are translated on quantum systems, do, theoretically, faster execution. Regardless of the actual possibility, the experts point out that the Chinese study outlines a path that could attract growing investment to actually make it viable. The stakes are high, everyone agrees.
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