How to implement WebSocket for real-time order book updates in a cryptocurrency exchange?
Micheal Klein

Micheal Klein @michealklein

About: A Software Developer & Tech Blogger specializing in web, blockchain, AI, and game development. Passionate about building scalable solutions and sharing insights to simplify complex tech for developers

Location:
California, USA
Joined:
Jan 30, 2025

How to implement WebSocket for real-time order book updates in a cryptocurrency exchange?

Publish Date: Jan 30
0 0

Problem Faced:

  • Traditional HTTP-based API polling is inefficient for high-frequency trading.
  • Delays in order book updates lead to stale data, impacting traders’ decision-making.

Solution:

  • Implement WebSockets to push live updates to connected clients.
  • Use Redis Pub/Sub to broadcast changes across multiple exchange nodes.

Implementation in Node.js (WebSocket server):
JavaScript

const WebSocket = require('ws');
const wss = new WebSocket.Server({ port: 8080 });

wss.on('connection', (ws) => {
    console.log('New client connected');

    ws.on('message', (message) => {
        console.log(`Received: ${message}`);
        ws.send(`Echo: ${message}`);
    });

    ws.on('close', () => console.log('Client disconnected'));
});
Enter fullscreen mode Exit fullscreen mode

Build secure, scalable, and feature-rich platforms tailored to your business needs. From blockchain integration to real-time trading, get end-to-end solutions for your crypto exchange project. Let's create the future of digital trading together with Cryptocurrency Exchange Development Services.

Comments 0 total

    Add comment