Episode 156: Stateless Validation with Alin Tomescu

In this week’s episode, Anna and Fredrik chat with Alin Tomescu, a post-doc researcher at VMWare Research Group, about the concept of stateless systems. Specifically, they explore his work on stateless validation, why this would be desirable and what is the state of the research around this topic.

Have a look at Alin’s previous zkStudy Club episodes: zkStudyClub: Alin Tomescu on authenticated dictionaries and cross-incremental proof (dis)aggregation & zkStudyClub: Aggregatable Subvector Commitments with Alin Tomescu (VMWare Research)

This episode is packed full of info and Alin shared an amazing list of resources to help navigate this :
RMCI17e, Improving Authenticated Dynamic Dictionaries, with Applications to Cryptocurrencies, Leonid Reyzin and Dmitry Meshkov and Alexander Chepurnoy and Sasha Ivanov
CPZ18, Edrax: A Cryptocurrency with Stateless Transaction Validation, 2018, Alexander Chepurnoy and Charalampos Papamanthou and Yupeng Zhang
BBF18, Batching Techniques for Accumulators with Applications to IOPs and Stateless Blockchains, 2018, Dan Boneh and Benedikt Bünz and Ben Fisch
Tome20, How to Keep a Secret and Share a Public Key (Using Polynomial Commitments), 2020, Tomescu, Alin,
CFG+20, [Vector Commitment Techniques and Applications to Verifiable Decentralized Storage](https://eprint.iacr.org/2020/149], 2020, Matteo Campanelli and Dario Fiore and Nicola Greco and Dimitris Kolonelos and Luca Nizzardo
GRWZ20, Pointproofs: Aggregating Proofs for Multiple Vector Commitments, 2020, Sergey Gorbunov and Leonid Reyzin and Hoeteck Wee and Zhenfei Zhang
TAB+20e, Aggregatable Subvector Commitments for Stateless Cryptocurrencies, 2020, Alin Tomescu and Ittai Abraham and Vitalik Buterin and Justin Drake and Dankrad Feist and Dmitry Khovratovich
LGG+20, Aardvark: A Concurrent Authenticated Dictionary with Short Proofs, 2020, Derek Leung and Yossi Gilad and Sergey Gorbunov and Leonid Reyzin and Nickolai Zeldovich
AR20, KVaC: Key-Value Commitments for Blockchains and Beyond, 2020, Shashank Agrawal and Srinivasan Raghuraman
TXN20, Authenticated Dictionaries with Cross-Incremental Proof (Dis)aggregation, 2020, Alin Tomescu and Yu Xia and Zachary Newman


zkSummit6 is happening on Nov 23-24 2020 – grab your spot: https://www.zksummit.com/


Thanks to this week's sponsor Parity Technologies.

Check out Polkadot Decoded happening on December 3rd.

This free online event is the Polkadot community conference and the first Polkadot gathering since the multi-chain network’s launch and decentralization.

Featuring a full program of talks on all aspects of Polkadot by the teams building the network’s core technology, as well as those building ecosystem parachains, applications, and cross-network bridges Whether you’re new to Polkadot or an experienced Polkadot community member, be sure to learn the latest and future developments in the Polkadot ecosystem and connect with the Polkadot community.

Check out the full program for Polkadot Decoded and register for free at decoded.polkadot.network

Thanks again Parity Technologies!


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Previous Episodes

Episode 317: Enhancing On-Chain Intelligence with Ritual

This week, Anna and Tarun chat with Niraj Pant and Anish Agnihotri from Ritual. They kick off by revisiting the AIxCrypto intersection before diving into the Ritual product and its goals around developing open access AI infrastructure. They explore the opportunities that open up when you bring ML to smart contracts.

Bonus: zkSummit11 reminder!

Quick reminder about our upcoming zkSummit 11 event. Happening in Athens on April 10th, we once again bring together the top researchers and engineers working in zk to share their latest research and new findings.

Episode 316: Alin Tomescu on Distributed On-chain Randomness and Keyless Accounts

In this week’s episode, Anna and Nico chat with Alin Tomescu, founding team member and Head of Cryptography at Aptos Labs. They discuss Alin’s journey to Aptos and his work on distributed on-chain randomness as well as the new Aptos Keyless project. They cover the Keyless accounts architecture, how the flow works for the user and some of the subtleties in the approach they have taken.

Episode 315: ZK Hack Ecosystem & Winners of ZK Hack IV

This week’s episode is a little different from the usual and is split into two parts with Anna and Kobi exploring the history of ZK Hack, its origins and how the event has evolved into what it is today, including current activity in the ZK Hack ecosystem. The second half of the show splits off into Anna and Nico chatting the top 3 hackers from ZK Hack IV Online, which wrapped back in February. Each mini interview catches up with one of the winners and dives into what it was like to hack on the puzzles, which their favourites were and how they can be improved in the future.

Episode 314: Succinct’s Platform, Prover Network and SP1

In this week’s episode, Anna and Tarun catch up with Uma Roy, CEO and cofounder of Succinct. They dive into Succinct’s developments over the last year ranging from the work they did on the ZK bridge infrastructure to the Succinct platform, the Succinct prover network and their most recent release of SP1. They discuss connections between these products, how their development evolved, the competitive landscape, the future for the project and much more.

Episode 313: Revisiting Hardware with Ingonyama

In this week’s episode, Anna chats with Omer Shlomovits and Yuval Domb from Ingonyama. They go back to the start of the project, exploring Ingonyama’s initial vision for what ZK Hardware could be, how the field has evolved and how they are accelerating ZK Hardware today. The group discuss hardware product cycles, the hardware and algorithmic components, how a ZK ASIC is developed, they review some of the latest research from Ingonyama and more.

Episode 312: ZKP2P with Brian & Richard

In this week’s episode, Anna and Tarun interview Brian Weickmann & Richard Liang from the ZKP2P project. They cover the opportunities and challenges of building ZK applications with the current tools available, as well as revisit the topic of ZK Email and explore how this lies at the heart of the current version of ZKP2P. They also discuss the goals of ZKP2P, what’s happening under the hood, the types of experiments and initiatives the project is running, how a user can already use the existing product and the opportunities systems like ZKP2P open up.

Episode 311: The Launch of Celestia and Beyond

In this week’s episode, Anna and Guillermo chat with Yaz Khoury and Ismail Khoffi from Celestia. They share how the team prepared for the launch of the Celestia mainnet and what has been happening at Celestia since. They revisit the topic of DA (Data Availability) and explore how rollups and dApp developers can already use the Celestia DA layer. The group discusses Blobstream, which brings the benefits of Celestia to Ethereum and helps to scale the network, as well as community building, the modular thesis and much more.

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