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  ______     ___      ____     _    _    __   __  
 /_   _//   / _ \\   |  _ \\  | || | ||  \ \\/ // 
 `-| |,-   / //\ \\  | |_| || | || | ||   \   //  
   | ||   |  ___  || | .  //  | \\_/ ||   / . \\  
   |_||   |_||  |_|| |_|\_\\   \____//   /_//\_\\ 
   `-`'   `-`   `-`  `-` --`    `---`    `-`  --`

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Text this: A Security-Enhanced One-Time Payment Scheme for Credit-Card