Marek Olszewski and Kobi Gurkan from Celo discuss their proof-of-stake protocol and work on a mobile-ready light client. They explore how zero knowledge proofs can make a light client "lighter" and the potential of such a construction. They also discuss managing ETH off-chain, reducing data and trust for light clients in Ethereum, universal setups, zero knowledge proofs for interoperability, and the implementation of the ZEXIE code base.
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Quick takeaways
Celo's proof-of-stake protocol focuses on making financial tools accessible to anyone with a mobile phone.
Celo has developed a lightweight, censorship-resistant light client protocol that allows fast syncing and reduces data requirements for users with limited resources.
Deep dives
C.Lo: Making Financial Tools Accessible
C.Lo is a permissionless platform that focuses on making financial tools accessible to anyone with a mobile phone. They prioritize end-user usability and financial inclusion, and have conducted extensive user research to guide their development. They employ a full-stack approach to ensure a great mobile experience and have developed a lightweight, censorship-resistant light client protocol.
The Journey of Merrick and Kobe
Merrick and Kobe, co-founders of C.Lo, come from diverse backgrounds. Merrick has a background in computer science and entrepreneurship, while Kobe has been involved with Bitcoin since 2013 and later Ethereum. They met at a ZK proof workshop and now play important roles in C.Lo as the CTO and leading developer, respectively.
Building on Ethereum and the Decision to Fork Geth
Initially, C.Lo attempted to build on Ethereum to achieve a great mobile experience but faced challenges due to scalability and usability issues. They decided to build their own layer one platform and opted to fork Geth instead of Parity due to Parity's lack of compatibility for mobile platforms at the time. Their goal was to create a more user-friendly and intuitive platform for mobile users.
Efficient Light Client Protocol and Financial Inclusion
C.Lo has developed an efficient light client protocol that allows for fast syncing and reduces data requirements. This protocol enables users with limited resources, such as 3G connections, to access and verify blockchain data without overwhelming bandwidth constraints. By prioritizing usability and reducing data usage, C.Lo aims to advance financial inclusion and provide a more accessible financial platform.
In this episode, we chat with the Marek Olszewski & Kobi Gurkan from Celo about their proof-of-stake protocol, their work on making a mobile-ready light client, how zero knowledge proofs can help to make a light client “lighter”, why this would be desirable and what potential such a construction could unlock.
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