# Aditya Arora I Pyth Workshop I ETHGlobal Prague 2025

- Channel: [ETHGlobal](https://streameth.org/ethglobal)
- Date: 2025-10-07
- Duration: 25:00
- Watch: https://streameth.org/watch/yt-qmW47wEChx8
- YouTube: https://www.youtube.com/watch?v=qmW47wEChx8

## Description

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

_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _