The use of electronic cash is gaining popularity. Particularly the use of electronic cash transfer through cellular services is increasing rapidly in the developing world. It is estimated that electronic currency system will improve lives of more than 2 billion people, who live on less than 2 dollars per day. Use of electronic transaction system will facilitate more secure, accessible, and reliable ways to store and transfer money than are currently available. The most important thing in this context is the role of agents conducting cash for electronic value and vice-versa. By developing such a network a robust and efficient banking system can be developed. To know more read: http://papers.ssrn.com/sol3/papers.cfm?abstract_id=2549171