Blockchain-based Online Social Prediction Platform

Popular Vote

Convergence Platform of Knowledge based on Prediction



If you have any other questions, please feel free to ask us!

Cojam Service

Operate the Service Through Advanced Technology


Google Cloud Platform

Our Service based on Google Cloud Platformfor Security and Stability.


It ensures transparency and stability and can participate in predictive platforms.

HTML5 Web Standard

Developed by HTML5 Web Standard to support a variety of browsers.

Mobile App

Any Where! Any Time! You can enjoy with Mobile.

Responsive Web

It is possible to participate in services from browsers on various devices through responsive Web.

Realtime Service

All our prediction contents are fully run by Smart Contracts.