Abstract: Methods and systems for secure SMS or e-mail message tokenization are described. A user may process a transaction and/or register with a billing platform at least partly through a SMS or e-mail message. The user account information may be tokenized. Future payments from the user may be processed through tokenized SMS or e-mail messages sent by a billing management platform according to the registered user account information.

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.