Q-Day
For quantum computing and post-quantum realted answers, you can use the AI tool that answers questions using a curated corpus of information from PostQuantum.com, NIST, NSA, and ENISA and other reliable sources. Ask anything related to quantum computing or quantum security. Or just check out below the selection of Q-Day related articles from PostQuantum.com.
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Capability D.3: Continuous Operation (Long-Duration Stability)
One of the most critical requirements for a cryptographically relevant quantum computer (CRQC) is continuous operation - the ability to…
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Capability D.2: Decoder Performance (Real‑Time Error Correction Processing)
In a fault-tolerant quantum computer, qubits are continuously monitored via stabilizer measurements (producing “syndrome” bits) to detect errors. The decoder…
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Capability D.1: Full Fault-Tolerant Algorithm Integration
Imagine a quantum computer that can execute an entire algorithm start-to-finish with errors actively corrected throughout. Full fault-tolerant algorithm integration…
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Capability C.2: Magic State Production & Injection (Non-Clifford Gates)
Magic states are an essential “extra ingredient” for universal quantum computing, often metaphorically likened to a magic catalyst enabling otherwise…
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Capability C.1: High-Fidelity Logical Clifford Gates
Cryptographically Relevant Quantum Computers (CRQCs) will rely on a suite of core capabilities - and high-fidelity logical Clifford gates are…
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Capability B.3: Below-Threshold Operation & Scaling
“Below-threshold operation” refers to running a quantum processor at error rates below the critical threshold of a quantum error-correcting code.…
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Capability B.1: Quantum Error Correction (QEC)
Quantum Error Correction (QEC) is the first and arguably most critical capability in the roadmap toward a cryptographically relevant quantum…
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Shor’s Algorithm: A Quantum Threat to Modern Cryptography
Shor’s Algorithm is more than just a theoretical curiosity – it’s a wake-up call for the security community. By understanding…
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Grover’s Algorithm and Its Impact on Cybersecurity
Grover’s algorithm was one of the first demonstrations of quantum advantage on a general problem. It highlighted how quantum phenomena…
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Quantum Computing Hype and Fear: Same Song, New Verse
Another year, another wave of "quantum computers are about to crack all our encryption" fear-mongering. It’s 2012, and I’m getting…
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Are Quantum Computers a Real Threat?
Our conclusion is that quantum computers are not an imminent threat to cybersecurity. They are a fascinating technology and potential…
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Quantum Snake Oil
Don’t get me wrong - as a techno-geek at heart, I love the science of quantum computing. One day, it…
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