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Gowrishankar Rangasamy
Gowrishankar Rangasamy

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Hello Dev.to! Building a Privacy-First Random Chat Platform in 2026 (The CHATZYO Build Log)

#networking #privacy #showdev #webdev

Hello, fellow developers!

I’m thrilled to join the Dev.to community. My name is [Your Name], and I’m a full-stack developer based in Coimbatore, India, with a deep passion for real-time communication technologies and digital privacy.

I’ve spent the last few months deeply immersed in signaling servers, STUN/TURN traversal, and connection latency. Today, I’m excited to introduce the project that has kept me busy: CHATZYO.

Why Another Chat Platform?
The random chat landscape in 2026 is often characterized by two things: complex login requirements or a complete disregard for user privacy. Users are increasingly skeptical of platforms that monetize their data.

Our goal with CHATZYO was simple: Build the fastest, most private way to connect with the world, with zero mandatory signup.

The Technical Challenge (WebRTC + Socket.io)
Building a functional random video chat isn't easy. The primary challenge isn't the video stream itself (WebRTC handles that beautifully), but the signaling layer—the initial handshake that connects two strangers.

We chose to build our architecture with:

  • Node.js & Socket.io: For highly efficient, real-time signaling. This is the logic engine that manages user states and facilitates the "random match" in sub-200ms.

  • Firebase: To handle scalable backend operations without the overhead of managing dedicated database infrastructure.

  • The "Zero-Data" Architecture: Crucially, we use these tools only for the connection handshake. Once the WebRTC Peer-to-Peer connection is established, the media data flows directly between users. Our servers never touch the video or voice stream.

Focusing on Vernacular & Low-Latency
A massive part of our mission is optimizing connections for users in South Asia. We are heavily focused on providing excellent video quality with low latency in India, especially for Tamil-speaking users.

What's Next?
I plan to use my Dev.to profile to share our build logs, focusing on:

  1. Optimizing signaling servers with Socket.io v5.x.
  2. Managing TURN server costs and performance.
  3. Implementing real-time AI moderation locally in the browser.

I’d love for you to check out what we’ve built so far:
👉 Live Project: (https://chatzyo.in/)

If you have experience with WebRTC or just love chatting about scalable real-time tech, let’s connect in the comments!

Happy coding!
Gowrishankar

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