Episode 186: ZKPs for Spam Protection & Decentralized Messaging with Status

This week, Anna chats with Oskar Thoren and Sanaz Taheri-Boshrooyeh from Status to learn about their work on Waku, a decentralized messaging protocol incorporating zk-SNARKs for spam protection. Waku is the successor of Whisper, a messaging protocol that turned out to be too resource-heavy and vulnerable to spamming.
Oskar and Sanaz explain how Waku V2 changes things, from ZKP-based spam protection to how its new networking system based on libp2p and Gossipsub can scale globally.

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Thank you to this week’s sponsor, Least Authority!

Least Authority has a long history of working with privacy enhancing technologies, including Zero Knowledge Proofs.

With current projects like the MoonMath Manual – a beginner’s guide to zk-SNARKS – and the soon to be released whitepaper on ZKAPs – Zero Knowledge Access Passes, Least Authority is contributing to the advancement of learning and development in the field.

Least Authority also carries out security audits, including reviews of circuits and cryptographic code. They are committed to helping teams improve the security of their protocols and products, along with publishing their security research on these topics for the broader community to benefit from.

Be sure to check out the new Community Matters page on their website to read about how they engage with various communities, such as human rights organizations, to promote the use of secure systems and privacy-enhancing technologies.

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Previous Episodes

Episode 230: Designing Optimistic Interoperability with Nomad

In this week’s episode, Anna catches up with Anna Caroll and James Prestwich from Nomad. Together they explore the Nomad optimistic interoperability solution, how it first was developed, what lessons it takes from previous attempts at interoperability and cross-chain bridging, how the system works and more.

Episode 229: Going Cross-Chain with Polkadot’s XCM

In this week’s episode, Anna dives back into the Polkadot world with friend and occasional co-host Rob Habermeier from Parity. They cover XCM – the Cross-Consensus Messaging format – and how XCM allows parachains to speak to one another, passing messages through the validators on the relay chain via XCMP Cross-Chain Message Passing.

Episode 228: Catch-up at DevConnect AMS with Tarun, Guillermo and Brendan

In this week’s episode, Anna catches up with Tarun, Guillermo and Brendan at DevConnect Amsterdam to cover a range of interesting and random topics like how blockchain and AI thinking differs, where it could intersect and how ZK tech could be implemented, how science could benefit from more adversarial testing, why peer review is broken, math theory, takeaways from DevConnect and more!

Episode 227: Move & Sui with Sam Blackshear from Mysten Labs

In this week’s episode, [Anna](https://twitter.com/annarrose) chats with [Sam Blackshear](https://twitter.com/b1ackd0g), co-founder and CTO at Mysten Labs. Sam has a background in programming language research and is one of the authors of the Move language, a language that can be used to implement custom transactions and smart contracts. They chat about Mysten’s concept of programmable objects and what properties are necessary to make this functional for a blockchain context. They also cover Sui, a smart contracts platform which is a generalized L1 with a new asset centric data model for parallel transaction commits being developed by Mysten.

Episode 226: Interoperability with Sergey Gorbunov from Axelar

This week, Anna catches up with Sergey Gorbunov from Axelar and revisits the topic of bridges. They chat about what led Sergey to work on interoperability, the problems these solutions try to solve, how it compares to existing solutions, and what’s next for the project. They also chat about some of the challenges of a multi bridge landscape and the fragmentation of liquidity.

Episode 225: Dark Forest and 0xPARC with Gubsheep

This week, Anna catches up with Gubsheep from 0xPARC. They chat about Dark Forest – a decentralized zk-based RTS game, built on Ethereum. They cover how it has evolved in the past 2 years and what’s upcoming in the Dark Forest’s community, governance and experiments. They recap the recent Gitcoin GR13 ZK Tech side round, review some moonshot ideas for ZK projects of the future and discuss potential avenues of funding in the ZK space. Lastly, they dive deeper into the 0xPARC ecosystem by exploring the public goods and research projects 0xPARC has in the works from their support of application level R&D on decentralized systems to experimental applications of ZK for end-user facing apps.

Episode 224: Foundry with Georgios Konstantopoulos

This week, Anna & Tarun catch up with Georgios Konstantopoulos from Paradigm – a key crypto VC. They chat about his move to CTO at the firm, the team he has built and what they are working on. Then they dive into Foundry – a fast, portable, modular testing toolkit for Ethereum app dev written in Rust. They discuss the tooling landscape, why Foundry is making a bet on solidity, the different types of testing that developers are doing and other open questions in the field.

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