Run giveaways, authenticate the winner, and eliminate e-mail back and forth.
We generate a prize URL that only the authenticated winner can unlock. This URL can be shared publicly. Anybody can click on the link to see the prize summary, but only the authenticated winner can claim it.
For a physical prize, the winner is presented with a form to privately share their mailing address with the giveaway administrator.
Digital prizes are fulfilled with a secret redeem code that reveals itself only to the authentic winner.