Can I use cash at FORMAT Festival? Updated April 03, 2023 15:56 FORMAT Festival is a completely cashless. Purchases can only be made using credit card or your RFID wristband. Related articles Can I leave and re-enter the festival on the same day? Is there a current map of the festival grounds? What time do the gates open each day? Does the festival have lockers available for rent? What is Allowed & Prohibited at the festival?