ETHPragueConf 2025

Building High Performance onchain apps with Modern APIs & AI Tools
05-28, 15:00–15:25 (CET), Workshop

Learn how to build fast, efficient onchain applications using modern APIs & AI tools. This session covers transaction optimization, real-time event tracking, account abstraction, and data indexing—featuring hands-on demos to improve performance and user experience using AI tools like Cursor, Replit, ChatGPT, ai16z


Building onchain applications isn’t just about writing smart contracts—it’s about making them fast, scalable, and user-friendly. This session covers how AI and modern APIs can optimize transactions, reduce gas fees, enable real-time event tracking, and streamline account abstraction.

With hands-on demos, we’ll explore AI-driven tools like Cursor, Replit, ChatGPT, and ai16z to improve performance and automate key processes. Walk away with practical techniques to build smarter, faster, and more efficient dApps.

Uttam Singh is a Blockchain Engineer and Ethereum Educator, currently working as a Sen. DevRel Engineer at Alchemy. He has previously contributed to leading Web3 companies such as Polygon, Flare, and Binance. Uttam has been public speaker at events like ETH CC, ETH DAM, ETH Belgrade, ETH Oxford, NFT NYC & multiple tech universities.

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