Abstract: Wearable devices, such as wrist bands, mobile devices, cards, name tags, or the like, are provided for facilitating various transactions at events. Further, a system is provided that allows an event organizer to manage transactions among various entities in an event via the wearable devices. In particular, a wearable device with unique identification may be given to each attendee. The attendee may use the wearable device to gain access to various parts of the event and make purchases at various vendors or merchants. The system may manage transactions made by the attendees using the wearable devices.