The latest articles on DEV Community by MaranathaD12 (@maranathad12). https://dev.to/maranathad12 https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F3829419%2F087a1577-153f-4a34-9cd1-cfee0797fb2d.PNG https://dev.to/maranathad12 en MaranathaD12 Tue, 17 Mar 2026 12:31:37 +0000 https://dev.to/maranathad12/pyth-sentinel-real-time-crypto-alerts-prediction-game-powered-by-pyth-network-3hbe https://dev.to/maranathad12/pyth-sentinel-real-time-crypto-alerts-prediction-game-powered-by-pyth-network-3hbe <h2> What I Built </h2> <p>Pyth Sentinel is a real-time crypto monitoring and alert platform built on Pyth Network's price feeds and Pyth Entropy.</p> <h2> Features </h2> <ul> <li>📡 Live prices for BTC, ETH, SOL, BNB, PYTH powered by Pyth Hermes API</li> <li>📊 Live price history chart that auto-updates every 10 seconds</li> <li>🚨 Custom price alerts with email and webhook notifications</li> <li>🎲 Price Prediction Game powered by Pyth Entropy for verifiable randomness</li> </ul> <h2> Pyth Features Used </h2> <ul> <li>Pyth Price Feeds — institutional grade real-time price data</li> <li>Pyth Entropy — verifiable randomness for the prediction game</li> </ul> <h2> Live Demo </h2> <p><a href="https://pyth-sentinel-production.up.railway.app" rel="noopener noreferrer">https://pyth-sentinel-production.up.railway.app</a></p> <h2> Source Code </h2> <p><a href="https://github.com/MaranathaD12/pyth-sentinel" rel="noopener noreferrer">https://github.com/MaranathaD12/pyth-sentinel</a></p> <h2> Tech Stack </h2> <ul> <li>Node.js + Express.js</li> <li>@pythnetwork/hermes-client</li> <li>@pythnetwork/entropy-sdk-solidity</li> <li>Chart.js</li> <li>Nodemailer</li> </ul> <p>Built for the Pyth Community Hackathon 2026!</p> cryptocurrency node showdev web3