Aditya Arora I Pyth Workshop I ETHGlobal Prague 2025

Learn how to integrate Pyth Network’s real-time price feeds and VRF-based random numbers into your blockchain projects in this ETHGlobal Prague 2025 workshop with Aditya Arora. Discover the difference between push vs. pull oracles, how to fetch on-chain/off-chain data via Pythnet, and optimize gas costs with multi-price updates. Explore use cases for crypto, forex, stocks, and metals, and master the Entropy VRF system for secure randomness. Includes live coding demos, bounty details, and Q&A. Perfect for DeFi builders, hackathon participants, and Web3 developers! 00:00 - Introduction to Pyth Network & Oracles 00:52 - Pyth’s Price Feeds: Crypto, Forex, Stocks, Metals 01:46 - Push vs. Pull Oracles Explained 02:20 - On-Chain Price Updates & Gas Costs 03:41 - Pythnet: Decentralized Data Aggregation 04:24 - How to Pull Real-Time Prices (Demo Prep) 05:40 - On-Chain Price Verification & Security 06:21 - Hermes API: Fetching Price Updates 07:14 - Live Q&A: Block Latency & Data Freshness 09:03 - Step-by-Step Price Update Demo 10:21 - Bounty Requirements & Best Practices 11:37 - Handling Price Timestamps & Conflicts 14:06 - Hermes API Walkthrough (Code Demo) 15:25 - Formatting Data for On-Chain Use 16:46 - Price Feed IDs & Cross-Chain Compatibility 17:23 - Historical Data & Off-Chain Lookups 18:09 - Data Authenticity & Publisher Networks 19:25 - Entropy VRF: Decentralized Randomness 20:43 - Hash Chains & Callback Workflow 21:54 - Implementing VRF in Smart Contracts 23:12 - Price Pusher Bot for Push Oracle Mode 24:38 - Final Q&A & Hackathon Tips _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 🇨🇿 *ETHGlobal Prague* This workshop is specifically for ETHGlobal Prague, a 3-day hackathon held May 30 - June 1 2025, bringing together the most skilled web3 developers, designers and product builders from all around the globe for a weekend-long adventure to advance the Ethereum ecosystem! Watch the full ETHGlobal Prague 2025 playlist here: https://youtube.com/playlist?list=PLXzKMXK2aHh5Vv-ZobDU2YMWekDFYvOqd&si=SoQ5O2TOAK8RkYf- _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ ✅ *Follow ETHGlobal* X: https://x.com/ETHGlobal​ Warpcast: https://warpcast.com/ethglobal Website: https://ethglobal.com YouTube: https://www.youtube.com/c/ETHGlobal _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _Are you interested in Ethereum development and entrepreneurship?_ 👉 Sign up for the next ETHGlobal event: https://ethglobal.com/events 🎁 Get exclusive access and perks with ETHGlobal Plus! https://ethglobal.com/plus 📣 Want us to throw an event in your city? Tell us where! https://ethglobal.com/city _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _