BlueQubit claims it can find a cryptographic key that a supercomputer would take 'years' to uncover in ‘just a few hours.’
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(Image credit: BlueQubit ) Share Share by: Copy link Facebook X Whatsapp Reddit Pinterest Flipboard Email Share this article 0 Join the conversation Follow us Add us as a preferred source on Google Quantum-software firm BlueQubit has launched its Quantum Advantage Challenge, offering a 0.25 BTC wallet prize to the winner. The overall goal of the competition is to prove that a ‘ Quantum Advantage ’ exists in solving a real-world cryptography problem. BlueQubit says it can find a hidden bitstring in a 2 56 search space, the key to its 0.25 BTC prize wallet, in “under two hours.” Conversely, it reckons that even the fastest classical supercomputer would take “years” to solve the problem. The challenge is now open at www.bluequbit.io .
“We wanted a clear, public, and verifiable way to demonstrate quantum advantage,” said Hayk Tepanyan, BlueQubit CTO, explaining the idea behind the Quantum Advantage Challenge. “There’s no better proof than a problem where a quantum computer can extract a real cryptographic key in hours and where classical algorithms may simply be outmatched.”
A blog post published ahead of the prize launch explained how the challenge works and how the result is verifiable. It started by sympathizing with industry watchers being bamboozled with various solutions already claiming to have demonstrated a ‘Quantum Advantage’ or even 'Quantum Supremacy.'
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The BlueQubit problem takes the form of a random circuit design with 2 56 possible output bitstrings, which is about 72 quadrillion possibilities. Specifically, the problem is built around peaked circuits, which are quantum circuits engineered to produce an extremely concentrated probability distribution, ‘peaking’ on a single hidden bitstring. An elegant verification protocol has been devised like this:
Alice constructs a peaked circuit, knowing which bitstring is the peak
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Reference reading
- https://www.tomshardware.com/tech-industry/quantum-computing/SPONSORED_LINK_URL
- https://www.tomshardware.com/tech-industry/quantum-computing/quantum-computing-firm-dangles-usd22-500-bitcoin-prize-all-you-have-to-do-is-uncover-a-private-key-hidden-inside-a-quantum-optimized-problem#main
- https://www.tomshardware.com
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Informational only. No financial advice. Do your own research.