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Who can participate?

Who can participate?

Individuals who are U.S. citizens or permanent residents, and private entities incorporated in and maintaining a primary place of business in the U.S. are eligible to win prizes. There are no restrictions on participation and solution submission.

Federal employees are eligible to win prizes provided that they do not work on their submissions during duty hours, and do not use Federal facilities or consult with Federal employees that are not made available equitably to other challenge participants.