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Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

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The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

User Guide

This guide provides step-by-step instructions for site visitor and public solver use of Challenge.Gov. Navigate through the right side menu to select an area to learn more.

Log Out of Solver Portal

  1. From the Solver Portal, click [Your email address] in the top right corner.
  2. Select Logout from the menu.