How I Built a 100% Private Yes-No Oracle in Pure JavaScript (No Backend, No Tracking)

📰 Hackernoon

Build a private Yes-No Oracle using vanilla JavaScript with no backend or tracking

intermediate Published 2 Apr 2026

Action Steps

Create a new HTML file and add a basic UI for the Yes-No Oracle
Write vanilla JavaScript code to generate random Yes or No answers
Implement a simple algorithm to ensure the oracle's answers are unpredictable and private
Test the oracle in a browser to ensure it works as expected

Who Needs to Know This

Developers and designers on a team can benefit from this tutorial to create private and tracking-free web applications, and product managers can understand the importance of user privacy

Key Insight

💡 It's possible to build private web applications without relying on backend servers or cloud AI services