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The Post-Quantum World

The Post-Quantum World

Written by: Protiviti
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Follow The Post-Quantum World, where Protiviti and our guests explore quantum computing and its business impacts, benefits and threats.

Quantum computing capabilities are exploding, causing disruption and opportunities, but many technology and business leaders still don’t understand the impact quantum will have on their business. Protiviti is helping organizations get post-quantum ready. In our bi-weekly podcast series, The Post-Quantum World, Protiviti Associate Director and host Konstantinos Karagiannis is joined by quantum computing experts to discuss hot topics in quantum computing, including the business impact, benefits and threats of this exciting new capability.

Visit www.protiviti.com/postquantum to learn more about how Protiviti is helping organizations get post-quantum ready.

For questions or additional information, contact Konstantinos Karagiannis: konstantinos.karagiannis@protiviti.com.Copyright Protiviti
Episodes
  • NVIDIA Architect Warns We Might Need to Rip and Replace Hardware for PQC – with TCG

    NVIDIA Architect Warns We Might Need to Rip and Replace Hardware for PQC – with TCG
    May 27 2026
    Quantum technical debt is the idea that some devices cannot be upgraded to PQC. In this episode, Thorsten Stremlau, a Systems Principal Architect at NVIDIA and Co-Chair of the Trusted Computing Group (TCG) Marketing Work Group, joins host Konstantinos Karagiannis to discuss the critical role of hardware roots of trust in protecting against the quantum computing threat. Stremlau outlines the challenges of integrating heavier PQC algorithms into resource-constrained chips like the Trusted Platform Module (TPM), highlighting technical hurdles such as increased computational intensity, memory bloat, and heightened vulnerability to side-channel and denial-of-service attacks. To counter these quantum threats while maintaining historical stability, the TCG has released the TPM 2.0 library version 1.85 paired with the platform specification 107. This combination leverages built-in crypto-agility to implement mature algorithms like ML-KEM and ML-DSA, while still supporting hybrid classical-quantum models to ensure a smoother migration path for enterprises.

    However, Stremlau issues a stark warning regarding the industry's timeline and the reality of quantum technical debt, revealing that achieving full PQC readiness will require a complete hardware replacement rather than simple in-field firmware updates. Government entities are aggressively mandating PQC compliance for procurement by 2027. But the enterprise sector, particularly critical infrastructure and server environments, faces an incredibly long transition cycle due to a traditional preference for operational stability over rapid upgrades. While a PQC-ready TPM is a foundational piece of the puzzle that secures firmware signing, boot processes and platform attestation, it is not a silver bullet. True quantum resilience requires a defense-in-depth strategy where the entire software and data ecosystem, including AI workloads, edge networks and data pipelines, is systematically upgraded alongside the hardware foundation.

    For more information on Trusted Computing Group, visit https://trustedcomputinggroup.org/.


    Visit Protiviti at www.protiviti.com/US-en/technology-consulting/quantum-computing-services to learn more about how Protiviti is helping organizations get post-quantum ready.
    Follow host Konstantinos Karagiannis on all socials: @KonstantHacker
    Questions and comments are welcome!
    Theme song by David Schwartz, copyright 2021.
    The views expressed by the participants of this program are their own and do not represent the views of, nor are they endorsed by, Protiviti Inc., The Post-Quantum World, or their respective officers, directors, employees, agents, representatives, shareholders, or subsidiaries. None of the content should be considered investment advice, as an offer or solicitation of an offer to buy or sell, or as an endorsement of any company, security, fund, or other securities or non-securities offering. Thanks for listening to this podcast. Protiviti Inc. is an equal opportunity employer, including minorities, females, people with disabilities, and veterans.
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    41 mins
  • Slashing the Time to Quantum Advantage – with Toby Cubitt of Phasecraft

    Slashing the Time to Quantum Advantage – with Toby Cubitt of Phasecraft
    May 13 2026
    What if the timelines for world-changing quantum computing aren’t dictated only by hardware manufacturers, but also by the sheer power of a better idea? In this episode, host Konstantinos Karagiannis sits down with Toby Cubitt, the co-founder and CTO of Phasecraft, to explore how clever mathematics and algorithmic breakthroughs are slashing the requirements for quantum advantage by orders of magnitude. Toby shares how his team has already knocked factors of one million off the gate counts for critical simulations, effectively buying a decade of hardware development through pure software innovation. Q-Day and the shifting goalposts of breaking RSA encryption are a reality, but the discussion also covers revolutionizing the very materials that power our batteries and industrial catalysts.
    Beyond the technical benchmarks, Toby pulls back the curtain on the Wild West era of quantum computing, drawing fascinating parallels to the vacuum tubes and mercury delay lines of the 1950s. He also moves on to myths such as: Will AI make quantum computing obsolete? Can you actually run ChatGPT on a quantum processor? Whether you are a business leader looking to "Nitro-inject" your classical optimization workflows or a science enthusiast eager to hear from a world expert who has access to every major quantum machine on the planet (from Google’s Willow chip to IBM and Quantinuum) this episode is a hype-free must.
    For more information on Phasecraft, visit www.phasecraft.io/.

    Visit Protiviti at www.protiviti.com/US-en/technology-consulting/quantum-computing-services to learn more about how Protiviti is helping organizations get post-quantum ready.
    Follow host Konstantinos Karagiannis on all socials: @KonstantHacker
    Questions and comments are welcome!
    Theme song by David Schwartz, copyright 2021.
    The views expressed by the participants of this program are their own and do not represent the views of, nor are they endorsed by, Protiviti Inc., The Post-Quantum World, or their respective officers, directors, employees, agents, representatives, shareholders, or subsidiaries. None of the content should be considered investment advice, as an offer or solicitation of an offer to buy or sell, or as an endorsement of any company, security, fund, or other securities or non-securities offering. Thanks for listening to this podcast. Protiviti Inc. is an equal opportunity employer, including minorities, females, people with disabilities, and veterans.
    Show More Show Less
    42 mins
  • Quantum Vibe Coding – with Vincent van Wingerden of Classiq

    Quantum Vibe Coding – with Vincent van Wingerden of Classiq
    Apr 29 2026
    How do you go from a quantum computing research paper to a circuit you can run on a real machine? Can AI help bridge the gap between complex mathematical theory and functional quantum code? In this episode, Vincent van Wingerden, Director of Strategic Partnerships at Classiq, joins host Konstantinos Karagiannis to discuss the dawn of quantum vibe coding. While traditional quantum programming often requires tedious manual manipulation of gates and hardware-specific constraints, Classiq’s platform introduces a high-level abstraction that allows users to focus on intent rather than implementation. Vincent explains how their AI-driven assistant, powered by Claude, can ingest an academic paper from arXiv and generate a working implementation in minutes, a task that once took experts weeks of effort.
    Beyond the vibe, this episode dives into the practical mechanics of how Classiq’s compiler optimizes code across diverse hardware modalities, from IonQ to IBM. You’ll hear about real-world collaborations with Comcast and AMD, as well as a fascinating example of how an AI agent suggested improvements to an image-edge-detection algorithm that outperformed its original human design. Whether you are a seasoned computer scientist or a curious beginner looking to bypass the gate-level barrier, this conversation reveals how the synergy between high-level languages and AI is dismantling the quantum talent gap and scaling the industry toward the future.
    For more information on Classiq, visit www.classiq.io/.
    An example of quantum code aided by AI https://github.com/Classiq/classiq-library/tree/main/applications/image_processing/quantum_hadamard_edge_detection.

    Visit Protiviti at www.protiviti.com/US-en/technology-consulting/quantum-computing-services to learn more about how Protiviti is helping organizations get post-quantum ready.
    Follow host Konstantinos Karagiannis on all socials: @KonstantHacker
    Questions and comments are welcome!
    Theme song by David Schwartz, copyright 2021.
    The views expressed by the participants of this program are their own and do not represent the views of, nor are they endorsed by, Protiviti Inc., The Post-Quantum World, or their respective officers, directors, employees, agents, representatives, shareholders, or subsidiaries. None of the content should be considered investment advice, as an offer or solicitation of an offer to buy or sell, or as an endorsement of any company, security, fund, or other securities or non-securities offering. Thanks for listening to this podcast. Protiviti Inc. is an equal opportunity employer, including minorities, females, people with disabilities, and veterans.
    Show More Show Less
    31 mins
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