A classic computer cannot generate Really random numbers. The algorithms used in computer science to produce this type of numbers resort to an initial value usually known as “seed”, so that making mathematical calculations with it is possible Generate one or several pseudo -elementary numbers. In this context it is necessary to use the ‘pseudo’ prefix because the need to resort to that initial value, to that seed, causes the numbers that we obtain Don’t be really random.
In fact, when taking the seed we have several options. Some algorithms resort to the system clock, and it is even possible to increase the apparent randomness of the generated numbers sequence using entropy sourcessuch as the mouse movement or the temperature of the CPU in a certain moment. Even so, the numbers that we will obtain will not be really random because it is possible to predict them if we know the seed and the operations that have been carried out to generate them.
Quantum computers, rescue
For the gigantic American financial conglomerate JPMorgan the random numbers are very important. A priori may seem strange that a bank is interested in the procedures for generating this type of numbers, but, in reality, this capacity lies in the heart of their business. And it is that random numbers are fundamental in cryptography techniques Employees, for example, to transmit encrypted information, work with cryptocurrencies, develop gambling, and, in general, in any process in which it is necessary to have a randomly as possible randomness.
To test their plan they executed their algorithm on a quantum computer of 56 cubits with ion traps manufactured by Quantinuum
For this reason, in May 2023, several JPMorgan cryptographers wrote an algorithm of random generation generation that was designed to be executed in a quantum computer. Its strategy was to take advantage of the randomness inherent in the behavior of the cubits, whose functioning is governed by The rules of quantum physics, To generate bits whose randomness It could be proven afterwards.
To test their plan they executed their algorithm on a quantum computer of 56 cubits with ion traps manufactured by the American company Quantinuum, which belongs to Honeywell. And it worked. They have detailed the result of their experiment in a very interesting article that they have published in Nature.
To check if the numbers given by their quantum algorithm are really random JPMorgan researchers worked side by side with scientists from the National Argonne Laboratory, the National Laboratory OAK RIDGE and the University of Texas in Austin. In Your article develop the method they have used to Mathematically demonstrate using super -touches of the US Department of Energy that the numbers delivered by the quantum computer are genuinely random. “It is a revolutionary result (…) the next step requires understanding where we can apply this technology,” Asses Marco Pistoialeader of the project and head of applied research in Global Technology of JPMorgan.
Image | Honeywell
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