The Post-Quantum World

Protiviti

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.

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21 episodes
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Avg 35 min
English

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#121
Yesterday · 32 min
Diamonds in the Rack: Room-Temp Quantum Computing – with Marius Grundmann of SAXON Q
Quantum computing has long been trapped inside massive dilution refrigerators, but SAXON Q is looking to change that. CEO Marius Grundmann joins host Konstantinos Karagiannis breaks down how his company uses artificial diamond chips and atomic-scale...
#136
September 2 · 37 min
Q-Day Before 2030 Remains Firm – with Cameron Chehreh of IonQ
IonQ’s VP of Engineering and CTO, Cameron Chehreh, joins host Konstantinos Karagiannis to break down why the race to scalable quantum computing is accelerating far faster than expected. Bringing a pragmatic, classical compute mindset to quantum...
#135
August 19 · 36 min
Preventing Some PQC Rip-and-Replace – with José Rosas of EigenQ
The quantum computing threat isn't a far-off problem anymore, with deadlines rapidly shifting closer to 2029. Organizations are scrambling to secure $30 trillion in legacy IT infrastructure. Dr. José Rosas, CEO of EigenQ, joins host Konstantinos...
#134
August 5 · 31 min
Quantum Navigation Takes to the Skies – with Sanket Deshpande and Ashwarya Das of Dirac Labs
While quantum computing garners most of the headlines, quantum sensing is silently revolutionizing how we navigate a world where GPS can no longer be taken for granted. Host Konstantinos Karagiannis sits down with Sanket Deshpande (CEO) and Ashwarya...
#133
July 22 · 38 min
Building the “Worst” Quantum Devices at DEF CON – with Mark Carney and Victoria Kumran of Quantum Village
In this episode, host Konstantinos Karagiannis reunites with longtime friends and co-founders of the Quantum Village, Mark Carney and Victoria Kumran, to preview their upcoming plans for DEF CON 34. Celebrating their fifth anniversary, the duo...
#132
July 8 · 33 min
Fraud Detection via Photonics – with Pouya Dianat of Quantum Computing Inc.
Is quantum technology purely a science of the future, or can it solve major enterprise problems today? In this episode, Pouya Dianat, Chief Revenue Officer of Quantum Computing Inc. (QCi), joins host Konstantinos Karagiannis to discuss how his company...
#131
June 24 · 40 min
1000x Faster and Cheaper – with Richard Givhan of Haiqu
Is quantum computing trapped behind a hardware bottleneck? In this episode, host Konstantinos Karagiannis sits down with Richard Givhan, the CEO of Haiqu, who challenges this long-standing narrative. While the industry has historically focused on...
#130
June 10 · 36 min
The Race to Save Bitcoin – with Chris Tam of BTQ
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...
#129
May 27 · 41 min
NVIDIA Architect Warns We Might Need to Rip and Replace Hardware for PQC – with TCG
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...
#128
May 13 · 41 min
Slashing the Time to Quantum Advantage – with Toby Cubitt of Phasecraft
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...
#127
April 29 · 31 min
Quantum Vibe Coding – with Vincent van Wingerden of Classiq
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...
#126
April 15 · 32 min
Computing on PQC-Encrypted Data – with Dr. Kurt Rohloff of Duality Technologies
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...
#125
April 1 · 30 min
PQC Job Market Soaring and the Year of Quantum Seriousness – with YouTuber Addie LaMarr
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...
#124
March 18 · 32 min
The Fall and Rise of a Quantum Company Boosting Algorithmic Development – with Sumit Kapur of Zapata Quantum
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...
#123
March 4 · 32 min
Q-Day 10x Closer Than We Thought—Pinnacle Paper Accelerates RSA Factoring — with Felix Thomsen and Paul Webster of Iceberg Quantum
The groundbreaking Pinnacle Architecture paper has sent shockwaves through the https://www.protiviti.com/us-en/quantum-computing-services industry by demonstrating that RSA-2048 encryption could potentially be cracked with just 100,000 physical...
#122
February 18 · 28 min
Quantum Money and Self-Destructing Signatures — with NTT
A one-shot signature is a new https://www.protiviti.com/us-en/quantum-computing-services 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...
#121
February 4 · 40 min
A VC Shares His 5-Layer Quantum Investing Strategy — with Intel Capital
Explore the high-stakes world of quantum venture capital. Host https://x.com/KonstantHacker sits down with Kike Miralles, Investment Director at https://www.intelcapital.com/. Moving beyond surface-level hype, Miralles introduces his “five-layer...
#120
January 21 · 32 min
AI-Powered Digital Twins for Quantum Hardware — with Quantum Elements
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,...
#119
January 7 · 47 min
2026 Predictions and the Road to 40,000 Logical Qubits — with Photonic
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...
#118
Dec 10, 2025 · 29 min
Quantum vs. Traffic: A Real-World Optimization Use Case — with Tal David of Quantum Art
Traffic congestion isn't just a daily annoyance; it’s a multi-billion dollar drain on the global economy. In this episode, we explore a concrete, real-world application of quantum computing that aims to solve this problem today. Tal David, Co-founder...

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