
Marek Olszewski
CEO of cLabs, the organization behind the Celo blockchain; eight years into building Celo with a focus on mobile peer-to-peer payments, stablecoins, on-chain FX, and identity solutions.
Top 5 podcasts with Marek Olszewski
Ranked by the Snipd community

37 snips
Jan 29, 2026 • 1h 12min
The Most Underrated Chain: Celo’s Surprising Traction Around the World | Marek Olszewski
Marek Olszewski, CEO of cLabs and longtime builder of the Celo mobile-first blockchain. He discusses Celo’s focus on cheap, mobile peer-to-peer payments and real-world traction like MiniPay and Opera integration. Conversation covers stablecoins for remittances, on-chain FX and hedging, identity with Self.xyz, and why fast, low-cost payments matter globally.

30 snips
Jul 2, 2025 • 1h 13min
Bringing ID Onchain with Self
Florent Tavernier and Marek Olszewski from Self discuss the transformative potential of on-chain identity using zero-knowledge technology. They explore the challenges of varying cryptographic standards and the innovative Open Passport initiative aimed at enhancing identity verification. The conversation highlights how blockchain can bolster Sybil resistance and the necessity of user privacy in digital identity. They also reflect on the importance of integrating traditional systems with Web3 innovations, advocating for secure, decentralized identity options that empower users.

Jun 2, 2025 • 1h
ETHPrague: ETH Renaissance - Austin Griffith, Brenda Loya, Joseph Schweitzer, Marek Olszewski
Join Joseph Schweitzer, co-organizer of ETHPrague, alongside blockchain innovators Austin Griffith, Marek Olszewski, and Brenda Loya. They dive into the vision for ETHPrague and its welcoming atmosphere for developers. Discover the challenges facing Ethereum amidst competition and the innovative strategies for Layer 2 scaling. The guests also discuss ethical considerations in tech, meaningful hackathon engagement, and unexpected collaborations that spark innovation. This lively conversation highlights the future of blockchain and its transformative potential.

Dec 1, 2023 • 1h 7min
Marek Olszewski & Rene Reinsberg: Celo – The Mobile-First High-Throughput Blockchain
Marek Olszewski & Rene Reinsberg of Celo discuss building a mobile-first blockchain with low fees and high throughput. Topics covered include: Celo's design principles, scalability, mobile compatibility, stablecoins as gas tokens, optimising mobile accessibility, transition to Ethereum OP L2, sequencer decentralisation, lowering costs with EigenDA, Credit Collective, and Mento DAO.

Sep 4, 2019 • 50min
Light clients & ZKPs with Celo
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.


