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Artwork for The Post-Quantum World

The Post-Quantum World

Protiviti
Quantum Computing
Post-Quantum Cryptography
NIST
Artificial Intelligence
Cybersecurity
Logical Qubits
Error Correction
Quantum Networking
Microsoft
Quantum Sensing
Material Science
Ionq
Quantum Information Science
Infosec Global
Quantum Error Correction
D-Wave
Quantum Dots
Cryptography Standards
Quantum Internet
Atom Computing

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... more

PublishesTwice monthlyEpisodes127Founded5 years ago
Number of ListenersCategory
Technology

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Artwork for The Post-Quantum World

Latest Episodes

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... more

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 Strategi... more

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 H... more

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 J... more

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Recent Guests

Toby Cubitt
Co-founder and CTO of Phasecraft
Phasecraft
Episode: Slashing the Time to Quantum Advantage – with Toby Cubitt of Phasecraft
Vincent van Wingerden
Director of Strategic Partnerships at Classiq
Classiq
Episode: Quantum Vibe Coding – with Vincent van Wingerden of Classiq
Dr. Kurt Rohloff
Co-founder and CTO of Duality Technologies
Duality Technologies
Episode: Computing on PQC-Encrypted Data – with Dr. Kurt Rohloff of Duality Technologies
Addie LaMarr
Popular cybersecurity educator and YouTuber with a background as an Air Force cryptographer
YouTube creator, cybersecurity educator
Episode: PQC Job Market Soaring and the Year of Quantum Seriousness – with YouTuber Addie LaMarr
Sumit Kapur
CEO of Zapata Quantum
Zapata Quantum
Episode: The Fall and Rise of a Quantum Company Boosting Algorithmic Development – with Sumit Kapur of Zapata Quantum
Omri Shmueli
Cryptographer and postdoc research fellow at NTT Research.
NTT
Episode: Quantum Money and Self-Destructing Signatures — with NTT
Kike Miralles
Investment Director at Intel Capital
Intel Capital
Episode: A VC Shares His 5-Layer Quantum Investing Strategy — with Intel Capital
Izhar Medalsy
Co-founder and CEO of Quantum Elements
Quantum Elements
Episode: AI-Powered Digital Twins for Quantum Hardware — with Quantum Elements
Paul Terry
CEO of Photonic
Photonic
Episode: 2026 Predictions and the Road to 40,000 Logical Qubits — with Photonic

Host

Konstantinos Karagiannis
Host of The Post-Quantum World

Reviews

4.8 out of 5 stars from 40 ratings
  • Interesting interviews with quantum innovators

    This is an excellent podcast to keep up with the latest innovations across the quantum ecosystem.

    Apple Podcasts
    5
    Sarah S 🥂
    United States2 years ago
  • Hi

    Hi my name is zeke and you are amazing

    Apple Podcasts
    5
    Hi dad I’m gay
    United States3 years ago
  • Great guests, cringey host

    Have to unsubscribe, the host asks the most basic questions as if he has put in no prep, doesn’t let guests really continue their line of logic.

    Apple Podcasts
    2
    Dr JTP
    United States4 years ago
  • Great content - good mix of technical and business concepts

    High quantity guests and content. Hits technical concepts without diving so deep you get lost.

    Apple Podcasts
    5
    patrioticcyber
    United States5 years ago

Listeners Say

Key themes from listener reviews, highlighting what works and what could be improved about the show.

Strong content with a good mix of technical depth and business relevance.
The show spotlights strong guests and practical quantum insights.
High-quality technical and business balance with a broad guest mix.
The host can feel underprepared at times, which can hinder guest flow.

Chart Rankings

How this podcast ranks in the Apple Podcasts, Spotify and YouTube charts.

Apple Podcasts
#219
France/Technology
Apple Podcasts
#182
Hong Kong/Technology

Talking Points

Recent interactions between the hosts and their guests.

Slashing the Time to Quantum Advantage – with Toby Cubitt of Phasecraft
Q: But it's this idea where the need for the qubits keeps plummeting now and the actual physical qubits we have keep rising. So at some point, those two lines are going to cross. How should we think about that?
The guest explains that hardware progress has been steady and that algorithmic breakthroughs can dramatically reduce required quantum resources, potentially crossing timelines sooner than hardware alone would suggest; the emphasis is on hybrid, problem-specific approaches that maximize value with fewer cubits.
Computing on PQC-Encrypted Data – with Dr. Kurt Rohloff of Duality Technologies
Q: What are the most impactful use cases you foresee for FHE in regulated industries?
Key use cases include secure financial crime collaboration to identify threats across institutions without revealing sensitive data, rare-disease analytics by aggregating data from multiple healthcare sites, and secure AI workloads where queries and data are protected during inference and training, enabling collaborations that were previously impractical due to confidentiality concerns.
Computing on PQC-Encrypted Data – with Dr. Kurt Rohloff of Duality Technologies
Q: What are the real-world deployment models for these technologies?
There are multiple deployment models: a client-driven query workflow where you encrypt a query on your device, send it to a data source to compute, and receive an encrypted result; server-side processing at the data source; and a setup with data providers and a centralized or distributed processing layer, all designed to keep data encrypted end-to-end and manage keys securely.
Computing on PQC-Encrypted Data – with Dr. Kurt Rohloff of Duality Technologies
Q: Can you start with a high-level overview of homomorphic encryption for our audience?
Homomorphic encryption lets you compute on data while it's encrypted, enabling end-to-end protection. There are different flavors (fully, somewhat, and leveled), with FHE allowing arbitrarily complex computations on encrypted data, though with overhead and practicality trade-offs. The goal is to expand what you can do with data without revealing the underlying content.
PQC Job Market Soaring and the Year of Quantum Seriousness – with YouTuber Addie LaMarr
Q: How should individuals think about legacy systems during the transition?
Expect long upgrade cycles due to legacy architectures; plan timelines with dependencies in mind and focus on crown jewels or mission-critical components first to minimize risk.

Audience Metrics

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Frequently Asked Questions About The Post-Quantum World

What is The Post-Quantum World about and what kind of topics does it cover?

A tech-forward business podcast exploring how quantum computing will reshape industries, security, and strategy. Episodes frequently center on real-world applications, from post-quantum cryptography migrations to enterprise-ready software stacks, and the roadmaps of quantum hardware makers and startups. Guests range from cryptographers and researchers to investors and senior security leaders, offering practical guidance on managing risk, investment, and implementation as organizations prepare for near-term value and longer-term disruption. A standout trait is the blend of deep technical insight with clear business implications, making it useful for leaders evaluating quantum risk, opportunities, and vendor partnerships.

Noteworthy angles i... more

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Which podcasts are similar to The Post-Quantum World?

These podcasts share a similar audience with The Post-Quantum World:

1. The New Quantum Era - innovation in quantum computing, science and technology
2. Physics World Weekly Podcast
3. The Quanta Podcast
4. Freakonomics Radio
5. Darknet Diaries

How many episodes of The Post-Quantum World are there?

The Post-Quantum World launched 5 years ago and published 127 episodes to date. You can find more information about this podcast including rankings, audience demographics and engagement in our podcast database.

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What guests have appeared on The Post-Quantum World?

Recent guests on The Post-Quantum World include:

1. Toby Cubitt
2. Vincent van Wingerden
3. Dr. Kurt Rohloff
4. Addie LaMarr
5. Sumit Kapur
6. Omri Shmueli
7. Kike Miralles
8. Izhar Medalsy

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