Episode 223: Connecting Cosmos and Ethereum with Gravity Bridge

This week, Anna chats with Deborah Simpier and Justin Kilpatrick, co-founders of Althea and the team working on Gravity Bridge. They start with the history of the Althea project and how they aim to build an open marketplace for independent entities to create their own ISPs, providing bandwidth to users in under-connected areas. They then dive into the larger topic of bridges and the work being done on Gravity Bridge – a bridge that links Ethereum with IBC and the Cosmos ecosystem. They touch on the larger bridge landscape in Cosmos, the new initiatives and challenges that come with a multichain architecture, the opportunities and hazards of the current wave of stakedrop airdrops in Cosmos, Gravity’s roadmap and more!

Here are some links for the episode:


If you’re looking to jump into ZK professionally, the ZK Jobs Board is where some of the top teams working in zero knowledge are posting jobs. Teams like: Anoma, Polygon Hermez, O(1) Labs and Ethereum Foundation have openings.

Check it out: https://jobsboard.zeroknowledge.fm/


ZKValidator is hosting a Privacy in Cosmos event in Amsterdam on April 15th. Free to sign up here.

zkSummit is back on April 21 for a one-day in-person event in Amsterdam! Must apply here to attend. Spots are limited.


Today’s episode is sponsored by Aleo.

Aleo is a new Layer-1 blockchain that uses cutting edge cryptography to achieve the programmability of Ethereum, the privacy of Zcash, and the scalability of a rollup.

It also features a new programming language called Leo that enables non-cryptographers to harness the power of ZKPs to build private applications. Roll up your sleeves and visit leo-lang.org to start building.

Aleo will also be participating in ZPrize – a competition accelerating the future of zero-knowledge cryptography. Visit zprize.io to learn more!


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Previous Episodes

Episode 256: New ZK Use Cases with Dan Boneh

On this week’s episode, Anna and Kobi Gurkan chat with Dan Boneh, Professor of Computer Science at Stanford and Director of the Stanford Center for Blockchain Research.

They discuss Dan’s more recent work in ZK Tech, both in education and in research, and review innovative use cases both Dan and his students have been working on since our last episode. It was great to have Dan back on the show, and we hope some of these ideas inspire listeners to jump in on the research or to build some products using these concepts.

Episode 255: Verifying Consensus On-Chain with Succinct

In this week’s episode, Anna and Tarun speak with Succinct Labs. Guests Uma Roy and John Guibas discuss their interest in ZK, their work with 0xparc and the goals of Succinct Labs, which aims to provide proof of consensus through SNARK-based light clients.

Episode 254: Matt Green on bringing ZK into the wild and the compliance debate

In this week’s episode, Anna and Josh Cincinnati chat with Matt Green, a cryptographer and professor at Johns Hopkins University. They explore Matt’s background in security, blockchain and privacy technologies. He shares his thoughts on early ZK blockchain research, the founding of Zcash, growth in the ZK space, how the industry is ready for tangible use-cases and navigating anonymity and regulatory bodies. This episode closes with a review of Matt’s perspective on the Tornado Cash sanctions and what this means for the space.

Episode 252: From Wireless to Blockchains with Pramod Viswanath

In this week’s episode, Anna and Tarun chat with Pramod Viswanath, Professor of Engineering at Princeton and co-founder of Witness Chain. They discuss Pramod’s early work on wireless networks and the introduction of adversarial thinking into his research, his move over to blockchain, how the incentives of blockchain could be used within the wireless industry

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