Episodes

Episode 304: Exploring FRI, LogUp and using M31 for STARKs with Ulrich Haböck

In this week’s episode, host Anna Rose and cohost Nico Mohnblatt catch up with Ulrich Haböck, an applied cryptographer at Polygon Labs. This episode revolves around Ulrich’s journey into applied zero-knowledge cryptography, transitioning from an academic environment to being a full-time practitioner. They discuss his contributions to the field, including his many write-ups and manuscripts as well as his breakthrough research on Multivariate lookups with his work logUp. They also cover his work on logarithmic derivative lookups using GKR with Shahar Papini, as well as his innovative approaches to STARKs over finite fields that are not ‘NTT-friendly’. This episode offers a deep dive into the complexities and breakthroughs in applied cryptography.

Episode 303: A Dive into Binius with Ulvetanna

In this week’s episode, Anna and cohost Brendan Farmer catch up with Jim Posen and Radi Cojbasic from Ulvetanna. They cover the origin story of Ulvetanna and their work on the ZK hardware/software intersection before moving on to discuss Binius, a new proving system they developed which is optimised for hardware. Binius is built on towers of binary fields and draws on recent breakthroughs on SNARKs. This work continues the trend towards the use of smaller fields and was inspired by the development of new lookup arguments, work done on multilinear provers and sum-check as well as the use of recursive composition in SNARKs.

Episode 302: ZK for web2 interop with zkLogin & ZK Email

This week Anna and cohost Kobi chat with both Kostas Kryptos from Mysten Labs, discussing the zkLogin project and Aayush Gupta representing the ZK Email + Email Wallet projects. They explore the use case of web2 onboarding into web3, through the lens of these two different projects which emerged independently but share a lot of the same characteristics.

They discuss the way this use case problem was first identified, the solution that each project came up with independently, the decisions that each project took and the future use cases they would enable.

Episode 301: EigenLayer @ Devconnect

This week, Anna catches up with Tarun Chitra and Sreeram Kannan during a spontaneous session recorded at Devconnect 2023 in Istanbul! They cover a variety of topics seen at the event, including zk toolkits, intents and Data Availability, shedding light on how these ideas are reshaping the framework of digital interaction and governance. Their chat covers the challenges and opportunities these technologies present, highlighting their significance in the current ecosystem. Later, they explore the complexities and nuances of EigenLayer, offering detailed insights into its functionalities, applications, and potential impact on the industry.

Episode 300: A ZK Podcast Retrospective

In this week’s episode, Anna takes a look back at the last 6 years of the Zero Knowledge Podcast, how it came to be and the journey the show has been on since that very first episode in 2017. Anna reviews the highs and lows of the show, touching on episodes which made a profound impact on her own journey in the ZK space, as well as episodes she wouldn’t rush to listen to again! Discover key show learnings, how the zkSummit formed and take a trip down memory lane in the 300th episode of Zero Knowledge Podcast.

Episode 299: Catch up on zkSync with Alex G

In this week’s episode, Anna chats with Alex Gluchowski, CEO of Matter Labs & co-creator of the zkSync network. They catch up on the zkSync project since it launched in Feb 2023. They dive into recent initiatives like the ZK Stack framework, Hyperchains, and the ZK Credo mission statement. They also explore the upcoming Boojum proof system upgrade planned for zkSync Era and discuss the future of the zkSync project as a whole.

Episode 298: Mina’s zkApps and o1js with Brandon and Steve

In this week’s episode Anna Rose chats with Brandon Kase, CTO, and Steve Pack, Head of Product at O(1)Labs, focusing on the Mina Protocol. The discussion covers their journeys leading to their work on the project, developments in the Mina Protocol since the last appearance on ZK Podcast, and insights into the zkApps building environment. They delve into the technical aspects of o1js and the underlying philosophy that drives its design. The episode wraps with a forward-looking perspective on the potential applications of zero-knowledge proofs as the industry shifts from a research-centric to a builder-centric approach.

Bonus: ZK Hack Istanbul

Just a quick message to say that if you are an experienced hacker ready to jump in and build some cool zk-based applications, be sure to join our IRL hackathon on Nov 10-12. All details about ZK Hack Istanbul can be found at zkistanbul.com

Episode 297: Quantum Cryptography Part 2 with Or Sattath

In this week’s episode, Anna and Nico interview Or Sattath, Assistant Professor at the Ben-Gurion University in the Computer Science department. This is the 2nd episode with Or on this show, continuing the conversation around Quantum Cryptography. This time, he describes how we can transition from a pre-quantum to a post-quantum environment, looking at existing systems like Bitcoin and Ethereum. He covers why the methods used in the transition will be important, techniques on how this could be executed and the challenges in designing these techniques and the complications that can arise. Finally, they go on to discuss Quantum Money and recent works in this area.

Episode 296: Zeth, Bonsai and RISC Zero with Brian and Jeremy

In this week’s episode, host Anna Rose and co host Nico Mohnblatt catch up with Brian Retford and Jeremy Bruestle from RISC Zero. Together they delve into the current status of the project, breaking down the components of the stack, from the innovative RISC Zero zkVM leveraging the RISC-V instruction set architecture to the Bonsai proving service and the intriguing Type Zero zkEVM, Zeth. They also touch on their design methodology, how the system components integrate and future developments for RISC Zero.

Episode 295: Return to MPC with Nigel Smart

In this week’s episode, Anna Rose is joined by Nigel Smart, Professor at KU Leuven and Chief Academic Officer at Zama to discuss the advancements in MPC over recent years. Nigel unpacks core components of MPC systems, including garbled circuits, secret sharing, and FHE. They discuss both systems-level applications like DKGs and Threshold Signature Schemes and actual real-world deployments. Throughout the episode, they also discuss how MPC and ZK differ, but how they can be used together to enhance each other’s capabilities.

Episode 294: Succinct Proofs and Linear Algebra with Guillermo and Alex

In this week’s episode, host Anna Rose and co-host Kobi Gurkan chat with Alex Evans and Guillermo Angeris about their new research paper on Succinct Proofs in Linear Algebra. The paper introduces a framework that simplifies the construction of succinct proofs and offers a toolkit of useful techniques. Their conversation also covers the use of randomized reductions in zero-knowledge proofs, the security of the FRI protocol, and the potential applications of the framework in other systems.

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