respected admin, i need ppt on e-cash payment system topic.......which contains basic information abt e-cash, its security system, how to slove incomplete transaction , al new emege of this topic....thanks

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(02-10-2012, 10:18 AM)Guest Wrote: respected admin, i need ppt on e-cash payment system topic.......which contains basic information abt e-cash, its security system, how to slove incomplete transaction , al new emege of this topic....thanks