Tutorial: Build a Live Crypto Dashboard Using Python, WebSockets, and React

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A new developer tutorial outlines how to build a real-time cryptocurrency trading dashboard using Python, WebSockets, and React without paid data feeds or heavy frameworks. The stack uses Binance's free WebSocket API to stream live BTC/USDT trade prices into a Python backend built with FastAPI. A simple momentum signal generator flags price deviations greater than 0.3% from a 20-trade rolling average. A React frontend, scaffolded with Vite, polls the FastAPI server every two seconds to display live prices and recent signals. The guide targets developers with Python 3.11+ and Node 20+ and requires only a read-only Binance API key to get started.

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