Download the 7-Eleven app and get 800 complementary 7Rewards points. It's no cryptocurrency, but you can use them to get yourself a free two-pack of chocolate chunk cookies, made fresh in the 7-Eleven bakery daily.
Chuck E. Cheese:
Grab a free dessert from the mouse with the purchase of any large pizza. Dessert options include a giant warm cookie (hey! cookie day!), cinnamon dessert pizza, small Dippin’ Dots, and churros. All you have to do is mention the coupon code #5585 to your server.
Potbelly Sandwich Shop:
New app users get a free oatmeal chocolate chip cookie when they enroll in Potbelly Perks.
Nestlé Tollhouse Café:
Get five of Nestlé's for $5.15.
BJ's Restaurant and Brewhouse:
If you place an order of at least $9.95 you get a free Big Cookie, or for $3 without a purchase.