The emergence of mobile banking in the United States will have a significant impact on the future of consumer banking. Central to the success of mobile banking is finding the right balance between security and customer convenience. One specific deployment approach - the mobile wallet - presents particular security concerns for many financial institutions. This TowerGroup ViewPoint provides insight on key issues surrounding handset application, Wireless Application Protocol (WAP)-based mobile banking authentication and security, and the challenges of balancing customer trust with convenience.