Definition ∞ Provable quantum advantage refers to a demonstrated computational task that a quantum computer can complete significantly faster than any classical computer. This concept signifies a point where quantum machines perform a specific calculation beyond the practical capabilities of even the most powerful conventional supercomputers. It requires not only speed but also verifiable evidence that the quantum device achieved the result using quantum phenomena. This achievement marks a significant milestone in the development of quantum computing.
Context ∞ In the context of cryptography and digital asset security, provable quantum advantage raises concerns about the future vulnerability of current encryption standards to quantum attacks. News often reports on advancements in quantum computing nearing this threshold, prompting urgent research into post-quantum cryptographic solutions. The race to achieve robust quantum advantage continues to shape long-term security strategies for blockchain networks.
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