Losing Property rights to the Communities Challange competition

You shall lose all rights to your ideas including any patents once you
submit. Even if you don't win anything at all.

http://communities.challenge.my/rules#4-intellectual-property-rights
4. Intellectual Property Rights

Each Contestant acknowledges and consents that the ideas contained in
his/ her or their Submissions may be used by any third party
(including but not limited to other Contestants) for any purpose
whatsoever without any compensation to the Contestant. Each Contestant
grants to the Administrators, and their agents, a perpetual, royalty-
free, non-exclusive, worldwide license with the right to sublicense
under all of the Contestant's intellectual property rights in and to
each Submission submitted by the Contestant to use, copy for use, make
derivative works of, perform publicly, and display publicly, for any
non-commercial purpose.