Confirm you are old enough to use the contest application. This is an access check, not a login.
Know the minimum age for this site (shown on the check page; the Terms use 18+)
This is not an ID scan and not an account
Open any application page (login, a public form, or a page you already had bookmarked).
If the age check is on and you have not confirmed yet, the app stays hidden. You only see the age card.
If the page asks you to confirm, tap I am [age] or older. If it asks for a date of birth, enter month, day, and year. The date is used to check your age and is not stored. This application currently shows the confirm-button card (screenshots): I am 18 or older / I am not 18.




Clearing cookies or a policy change can ask you to confirm again.
Signing in is still required for contest work. Age confirmation is not an account.
Removing the page overlay in developer tools does not unlock protected pages. The server still requires the eligibility cookie.