Participate in a Challenge
In order to participate in a Challenge, you must first create an account on grand-challenge.org. Please register by navigating to this link. It is also recommended that you verify your account. More instructions on verification can be found here.
Requesting to join a Challenge
After you have created an account on grand-challenge.org, you can join any Challenge by going to the challenge page and clicking the Join button.
Your request for joining the Challenge will have to be approved by the Challenge organizer. This normally takes time, so a bit of patience is highly appreciated.