A method and system for mobile commerce, communication, and transaction processing to real-world POS, web, e-commerce, virtual terminal, mobile personal digital assistant, mobile phone, mobile device, or other computer based transactions involving either one or both financial and non-financial such as loyalty based transactions as a mobile payment system is described. One embodiment comprises using a mobile phone via a consumer mobile software application (CMA) in lieu of a consumer card (examples include physical, virtual, or chips) to conduct payment transactions in the Real or Virtual World of commerce. An embodiment is related to making payments to real-world stores via having the CMA on a mobile device on behalf of the consumer present to conduct transactions and no physical card required.