M-Payments mean that the mobile device, becoming a personal trust device (PTD) can be used as a payment instrument in the physical world A payment capability is embedded in the mobile device, which supports both physical face-to-face transactions, extending different payment methods to the mobile PDA with care of ease of use and overall convenience. The main issue, more than in the case for e-Payments, is strict security requirement, which include customer transaction authentication, confidentiality, integrity, non repudiation in an environment composed of heterogeneous wireless networks, such as PAN, LAN, WAX, with different security weaknesses. This paper aims to provide a technology overview of security of local mobile payments, presenting different existing standards and a basic, ease-to-develop local payment system application framework for PDA WinCE.
