Marin’s Q-Day Prediction Countdown:

Here is my personal Q-Day prediction. For an understanding of the factors I am considering and recent events that are influencing this prediction, please see Marin’s Q-Day Prediction page.

Most Popular Articles This Week

    August 23, 2024

    Full Stack of AI Concerns: Responsible, Safe, Secure AI

    As AI continues to evolve and integrate deeper into societal frameworks, the strategies for its governance, alignment, and security must…
    April 18, 2025

    What Quantum Computers Can Do Better Than Classical Computers

    Quantum computers already outperform classical computers on a few specialized tasks, and over the coming years that list of tasks…
    November 1, 2023

    Taxonomy of Quantum Computing: Modalities & Architectures

    Over the past few decades, researchers have devised multiple quantum computing paradigms – different models and physical implementations of quantum…
    November 1, 2021

    Ready for Quantum: Practical Steps for Cybersecurity Teams

    The journey towards quantum resistance is not merely about staying ahead of a theoretical threat but about evolving our cybersecurity…
    January 1, 2024

    Marin’s Statement on AI Risks

    The rapid development of AI brings both extraordinary potential and unprecedented risks. AI systems are increasingly demonstrating emergent behaviors, and…
    June 19, 2025

    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…

    Microsoft’s Majorana‑1 Chip Demonstrates X and Z Loop Parity Measurements

    Microsoft’s Azure Quantum team has released a new scientific paper (Distinct Lifetimes for X and Z Loop Measurements in a Majorana Tetron Device) presenting the first experimental evidence of complementary Pauli-X and Pauli-Z parity measurements on a topological qubit. The results, announced by Microsoft Quantum Technical Fellow Chetan Nayak in ... Read More

    Quantum-Readiness Roadmap: BIS Calls Finance to Prepare for the Post-Quantum Era

    On July 7, 2025 the Bank for International Settlements (BIS) – often called the “central bank of central banks” – published a major paper titled “Quantum-readiness for the financial system: a roadmap.” This BIS Paper No. 158, authored by experts from BIS’s Innovation Hub and several central banks, provides a ... Read More

    Quantum Europe Strategy: Europe’s Five-Pillar Plan to Lead the Quantum Revolution

    On July 2, 2025, the European Commission unveiled the Quantum Europe Strategy – a comprehensive roadmap to transform Europe into a “quantum industrial powerhouse” and global leader in quantum technologies by 2030. This strategy arrives at a pivotal moment: quantum computing, communication, and sensing are advancing from lab experiments to ... Read More

    Preparing for the Quantum Age – U.S. Congressional Hearing Recap and Analysis

    On June 24, 2025, a House Oversight Subcommittee held a hearing titled “Preparing for the Quantum Age: When Cryptography Breaks.” This hearing convened government, industry, and academic experts to discuss the looming threat quantum computing poses to our current cryptographic systems and what the United States should do to prepare ... Read More

    Government of Canada Launches Post-Quantum Cryptography (PQC) Migration Roadmap

    On June 23, 2025 The Canadian Centre for Cyber Security (Cyber Centre) has issued a new roadmap for migrating the Government of Canada’s IT systems to post-quantum cryptography (PQC). Effective June 23, 2025, this guidance, "Roadmap for the migration to post-quantum cryptography for the Government of Canada (ITSM.40.001)" lays out clear ... Read More
    GAO Quantum Computing

    The U.S. GAO Publishes a Quantum Threat Report – Right on Strategy but Wrong on Timing

    The U.S. Government Accountability Office (GAO) has issued a June 2025 report titled “Quantum Computing: Leadership Needed to Coordinate Cyber Threat Mitigation Strategy” (GAO-25-108590). GAO makes many spot-on recommendations – calling for strong federal leadership, workforce development, investment in post-quantum readiness, and securing the quantum tech supply chain – and ... Read More

    EU Commission Roadmap Targets 2030 for Post-Quantum Cryptography Transition

    On June 23, 2025, the European Commission and EU Member States unveiled a coordinated roadmap to transition Europe’s digital infrastructure to post-quantum cryptography (PQC). This plan lays out a clear timeline for moving to quantum-resistant encryption, recognizing the urgent threat that future quantum computers pose to classical cryptography. PQC is ... Read More

    Microsoft Unveils New 4D Quantum Error-Correcting Codes

    Microsoft Quantum's researchers have introduced a new family of four-dimensional (4D) geometric quantum error-correcting codes that promise to dramatically outperform today’s standard 2D surface codes. Revealed in a new preprint "A Topologically Fault-Tolerant Quantum Computer with Four Dimensional Geometric Codes" (arXiv:2506.15130v1) and an accompanying Microsoft blog post, these novel 4D ... Read More
    Loading...

    How CISOs Can Use Quantum Readiness to Secure Bigger Budgets (and Fix Today’s Problems)

    Quantum readiness is not an exercise in science fiction – it’s a very practical program that yields benefits immediately. Regulators are pushing us all in this direction, which means boards are willing to fund it. The journey forces you to finally catalog your cryptographic assets and clean up long-standing weaknesses, ... Read More

    Quantum Readiness / PQC Migration Is The Largest, Most Complex IT/OT Overhaul Ever – So Why Wait?

    Preparing for the quantum era is arguably the largest and most complicated digital infrastructure overhaul in history. Yes, far bigger than Y2K, because back in 1999 we didn’t have millions of network-connected “things” to worry about. Yet despite clear warnings and rapidly approaching milestones, far too many organizations still treat ... Read More

    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 quantum computer. That’s my bold prediction, and I don’t make it lightly. In cybersecurity circles, the countdown to “Q-Day” or Y2Q (the day a cryptographically relevant quantum computer cracks our ... Read More

    Global Quantum Innovation Ecosystems: Lessons for TTOs from Around the World

    For universities and tech transfer offices (TTOs), understanding global diverse quantum innovation ecosystems is more than a matter of curiosity – it’s a practical guide for positioning academic spin‑offs for success on the world stage. Government investment is a key differentiator: by 2025, governments worldwide have committed over $40 billion in ... Read More

    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. It’s not just about qubits and math; it’s about megawatts, cooling systems, and power grids. Today, that reality means only the most potent actors would even contemplate such attacks, and ... Read More

    Building the Quantum Workforce: Talent Challenges and Opportunities

    Amid quantum revolution, a bottleneck has emerged: a lack of skilled people. In fact, the quantum talent shortage is now seen as one of the primary hurdles to translating lab discoveries into real-world innovations. One industry expert even warned that developing a “quantum-literate workforce” will be a key factor in ... Read More

    The Many Faces of Decoherence

    Quantum computers hold enormous promise, but they face a stubborn adversary: decoherence. This is the process by which a qubit’s fragile quantum state (its superposition or entanglement) leaks into the environment and effectively "forgets" the information it was carrying. For today’s leading quantum hardware modalities – superconducting circuits, trapped-ion qubits, ... Read More

    Marin Ivezic

    Marin Ivezic I am the Founder of Applied Quantum, a research-driven professional services firm dedicated to helping organizations unlock the transformative power of quantum technologies. Alongside leading its specialized service, Secure Quantum—focused on quantum resilience and post-quantum cryptography—I also invest in cutting-edge quantum ventures through Quantum.Partners. Currently, I’m completing a PhD in Quantum Computing and authoring an upcoming book “Practical Quantum Resistance,”while regularly sharing news and insights on quantum computing and quantum security at PostQuantum.com. More about me.

    Post-Quantum Cryptography (PQC) and Post-Quantum Security Articles

    Quantum Computing Articles

    Quantum Computing Modalities / Architectures / Paradigms

    Quantum Networks Articles

    Quantum AI Articles