摘要 |
<p>There is provided a computer based system for arranging exchanges between individuals of a first group wishing to exchange a first type of items for a second type of items, and individuals of a second group wishing to exchange the second type of items for the first type of items. The system comprises a computer server with an offer interface for receiving offers from individuals of the first and second groups to exchange items at first exchange rates and second exchange rates, a display interface for outputting the offers for display, a request interface for receiving requests from the individuals of the first and second groups to make exchanges at the first exchange rates and second exchange rates, and a processor for confirming exchanges based on the requests and updating the offers that are sent for display based on the items remaining after each exchange.</p> |