Q-Day
PostQuantum.com by Marin Ivezic – Quantum Security, PQC, Quantum Resistance, CRQC, Q-Day, Y2Q
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How You, Too, Can Predict Q‑Day (Without the Hype)
For three decades, Q-Day has been “just a few years away.” I want to show you how to make your…
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CRQC Readiness Benchmark vs. Quantum Threat Tracker (QTT)
I will try and compare my proposed CRQC Readiness Benchmark with QTT, highlighting fundamental differences in methodology, assumptions, and philosophy,…
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Quantum Threat Tracker (QTT) Review Praising the Tool Questioning the Demo
The Quantum Threat Tracker (QTT) is a newly released open-source tool by Cambridge Consultants and the University of Edinburgh that…
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CRQC Readiness Benchmark – Benchmarking Quantum Computers on the Path to Breaking RSA-2048
Benchmarking quantum capabilities for cryptography is both critical and challenging. We can’t rely on any single metric like qubit count…
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Q-Day Revisited – RSA-2048 Broken by 2030: Detailed Analysis
It’s time to mark a controversial date on the calendar: 2030 is the year RSA-2048 will be broken by a…
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What Is Q-Day (Y2Q)?
Q-Day, sometimes called “Y2Q” or the “Quantum Apocalypse”, refers to the future moment when a quantum computer becomes powerful enough…
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The Enormous Energy Cost of Breaking RSA‑2048 with Quantum Computers
The energy requirements for breaking RSA-2048 with a quantum computer underscore how different the post-quantum threat is from conventional hacking.…
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Q-Day Predictions: Anticipating the Arrival of CRQC
While CRQCs capable of breaking current public key encryption algorithms have not yet materialized, technological advancements are pushing us towards…
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Harvest Now, Decrypt Later (HNDL) Risk
"Harvest Now, Decrypt Later" (HNDL), also known as "Store Now, Decrypt Later" (SNDL), is a concerning risk where adversaries collect…
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Cryptographically Relevant Quantum Computers (CRQCs)
Cryptographically Relevant Quantum Computers (CRQCs) represent a seismic shift on the horizon of cybersecurity. In this article, we’ve seen that…
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Neven’s Law: The Doubly Exponential Surge of Quantum Computing
In 2019, Google’s Quantum AI director Hartmut Neven noticed something remarkable: within a matter of months, the computing muscle of…
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CRQC Readiness Index Proposal
This proposal outlines a composite, vendor‑neutral “CRQC Readiness” indicator. It intentionally avoids one‑number vanity metrics (like only counting qubits) and…
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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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