# Fireside Chat with Kartik Talwar & Evgeny Yurtaev at Pragma Prague 2025

- Speakers: [Evgeny Yurtaev](https://streameth.org/speakers/evgeny-yurtaev), [Kartik Talwar](https://streameth.org/speakers/kartik-talwar)
- Channel: [ETHGlobal](https://streameth.org/ethglobal)
- Date: 2025-10-09
- Duration: 20:21
- Topics: Zerion, self-custodial wallet, blockchain API, multi-chain data, RPC vs API, crypto infrastructure, Zero Network, L2 scaling, embedded finance, wallet trends, DeFi, developer tools, blockchain integration, AI agents, permissionless networks, Ethereum, EVM, Rainbow Wallet, Tenderly, Alchemy, The Graph, fintech, neo banks, wallet UX, transaction APIs, blockchain specialization
- Watch: https://streameth.org/watch/yt-uRvvPRzda18
- YouTube: https://www.youtube.com/watch?v=uRvvPRzda18

## Description

In this fireside chat at Pragma Prague 2025, Kartik Talwar sits down with Evgeny Yurtaev, co-founder of Zerion, to discuss the evolution of self-custodial wallets, the rise of specialized blockchain APIs, and the future of crypto infrastructure.

Topics include Zerion’s transition from a wallet to a developer API, challenges in managing multi-chain data, the role of RPCs vs. APIs, and the impact of AI on crypto transactions. Evgeny also shares insights on wallet trends, embedded finance, and the lessons learned from launching Zero Network, Zerion’s experimental L2.

00:00 Introduction to Evgeny Yurtaev and Zerion
00:47 What Zerion does: Wallet and API evolution
01:56 Zerion API for developers and third-party use
02:27 Origins of Zerion API and first clients
03:32 How wallets like Rainbow use Zerion API
04:05 Challenges in building multi-chain data APIs
05:45 The cost of maintaining blockchain infrastructure
07:34 Future of RPCs vs. specialized APIs
09:12 Trends in wallet adoption and embedded finance
11:28 Will users have one wallet or many?
12:30 Simplifying Zerion’s wallet experience
14:21 Lessons from launching Zero Network L2
15:33 Advice for new blockchain builders
17:19 Missing pieces in crypto infrastructure
18:27 AI integration with Zerion API
19:27 AI agents and permissionless networks

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🇨🇿 *Pragma Prague*
Pragma Prague 2025 was held on May 29th at Holešovice Market in Prague, Czech Republic and was an in-person summit for builders and leaders in the web3 ecosystem. This event was in collaboration with ETH Prague. Watch the full Pragma Prague YouTube Playlist here: https://youtube.com/playlist?list=PLXzKMXK2aHh7vLS72NelQ2dOx2VgPNxJZ&si=uwzTuItQTdcQqkTE 

ETHGlobal's Pragma series takes place in cities around the world, and is designed to be a different kind of event. Pragma is a one-stage conference with founders-only on stage, bringing together a small group of curated attendees and speakers to discuss the future of web3 and reflect on the past. 

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✅ Follow Evgeny Yurtaev
X: https://x.com/evgeth_

✅ Follow Zerion
X: https://x.com/zerion

✅ Follow Kartik Talwar
X: https://x.com/TheRealKartik

✅ Follow ETHGlobal
X: https://x.com/ETHGlobal​
Warpcast: https://warpcast.com/ethglobal
Website: https://ethglobal.com
YouTube: https://www.youtube.com/@UCfF9ZO8Ug4xk_AJd4aeT5HA 

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