If you click on a Task inside the Offerwall, you can see an “In Progress” tab, where you can track your progress on every offer.
The Offers’ status will change according to your progress:
(The Offerwall design might vary from app to app, but the color of the status bar will always be according to the status of the offer).

Blue color: your starting offers
Green color: your completed offers
Red color: your blocked and denied offers
Gray color: your pending offers