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The Post-Quantum World

The Post-Quantum World

Protiviti 129 episodes Latest Jun 10, 2026

The Post-Quantum World is a bi-weekly podcast from Protiviti that explores quantum computing and its business impacts, benefits, and threats. Host Konstantinos Karagiannis and guests discuss hot topics in quantum computing, helping organizations understand and prepare for the post-quantum era. The podcast covers the disruption and opportunities created by quantum computing capabilities.

Episodes

The Race to Save Bitcoin – with Chris Tam of BTQ Jun 10, 2026 2214 Is the ultimate cryptocurrency ticking toward a sudden, quantum-powered collapse? In this episode, Chris Tam, President and Head of Innovation at BTQ, joins host Konstantinos Karagiannis to shatter the comforting illusions many Bitcoiners still hold about the quantum computing threat. While many assume that a Q-Day attack would only disrupt future mining, Tam exposes the true, terrifying reality:
NVIDIA Architect Warns We Might Need to Rip and Replace Hardware for PQC – with TCG May 27, 2026 2464 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 challe
Slashing the Time to Quantum Advantage – with Toby Cubitt of Phasecraft May 13, 2026 2492 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 magni
Quantum Vibe Coding – with Vincent van Wingerden of Classiq Apr 29, 2026 1877 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
Computing on PQC-Encrypted Data – with Dr. Kurt Rohloff of Duality Technologies Apr 15, 2026 1947 What if you could crunch numbers on a dataset without ever actually seeing the sensitive information inside? Dr. Kurt Rohloff, co-founder and CTO of Duality Technologies, joins host Konstantinos Karagiannis to explain the wild capabilities of Fully Homomorphic Encryption (FHE), which allows for computation on data while it remains fully encrypted. Because FHE is built on lattice-based cryptography
PQC Job Market Soaring and the Year of Quantum Seriousness – with YouTuber Addie LaMarr Apr 1, 2026 1846 In this landmark five-year special episode, host Konstantinos Karagiannis welcomes Addie LaMarr, a YouTuber and former cryptographer with eight years of experience in the Air Force and a history of writing cybersecurity policy for the Department of Justice. LaMarr identifies 2026 as the “beginning of quantum seriousness,” a year where global regulations are forcing a transition to protect critical
The Fall and Rise of a Quantum Company Boosting Algorithmic Development – with Sumit Kapur of Zapata Quantum Mar 18, 2026 1933 Zapata’s back! A tough stretch including a difficult SPAC deal, a brief move into AI, and a $20 million debt forced the company to shut down in 2024. But in this episode, Sumit Kapur, CEO of Zapata Quantum, talks with host Konstantinos Karagiannis about how the company made a remarkable comeback. They discuss the intense restructuring, the strong support from the quantum computing industry, and ho
Q-Day 10x Closer Than We Thought—Pinnacle Paper Accelerates RSA Factoring — with Felix Thomsen and Paul Webster of Iceberg Quantum Mar 4, 2026 1926 The groundbreaking Pinnacle Architecture paper has sent shockwaves through the quantum computing industry by demonstrating that RSA-2048 encryption could potentially be cracked with just 100,000 physical qubits. This is a massive order-of-magnitude reduction from previous estimates that once reached into the millions. Join host Konstantinos Karagiannis as he sits down with Felix Thomsen and Paul W
Quantum Money and Self-Destructing Signatures — with NTT Feb 18, 2026 1724 A one-shot signature is a new quantum computing tool that lets people verify information publicly using a quantum signing key that destroys itself after use. This “proof of destruction” makes sure the key can only be used once, which could lead to cryptographic solutions that classical math could not achieve. Host Konstantinos Karagiannis talks with Omri Shmueli, a cryptographer and postdoctoral r
A VC Shares His 5-Layer Quantum Investing Strategy — with Intel Capital Feb 4, 2026 2426 Explore the high-stakes world of quantum venture capital. Host Konstantinos Karagiannis sits down with Kike Miralles, Investment Director at Intel Capital. Moving beyond surface-level hype, Miralles introduces his “five-layer stack” philosophy — a strategic framework that evaluates everything from physical infrastructure and QPUs to middleware and end-user applications. He shares candid insights i
AI-Powered Digital Twins for Quantum Hardware — with Quantum Elements Jan 21, 2026 1955 The “Constellation Platform” is revolutionizing the path to fault-tolerant quantum computing. Rather than relying on traditional state vector simulations that hit a wall at 50 qubits, this platform from Quantum Elements uses a breakthrough method, stochastic compression, to create realistic digital twins of quantum hardware at scale. This approach allows developers to simulate the complex time evo
2026 Predictions and the Road to 40,000 Logical Qubits — with Photonic Jan 7, 2026 2835 Let’s look to 2026 and recap a pivotal 2025 with Paul Terry, CEO of Photonic. Explore why the industry has officially moved past the era of noisy qubits into the race for fault-tolerant, "gold-standard" logical qubits. Paul joins host Konstantinos Karagiannis to break down Photonic’s selection for DARPA’s Quantum Benchmarking Initiative Stage B and explains how their unique distributed architectur

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