Abstract: A method in a first server for secure and flexible providing of customer reward data, the method comprising generating a first set of reward ticket data values, wherein generating said first set further comprises determine each reward ticket data value as either a reward generating value or a non-reward generating value; obtaining a predefined ordered second set of instances of reward ticket data value bins configured to comprise reward ticket data values and descriptive metadata; assigning exclusive subsets of said first set of reward ticket data values to said second set of instances of reward ticket data value bins based on said descriptive metadata; receiving a request for delivery of a third set of reward ticket data values from a second server, wherein said request for delivery of a third set of ticket data values comprises a second parameter set; selecting said third set of reward ticket data values from said second set of instances of reward ticket data value bins based on said second parameter set; m