Processing transactions involving participants that do not support the same currency generally involves incrementing and decrementing currencies associated with the participants. This allows the participants to participate in transactions where they would not ordinarily be able to do so. A request is received from a first participant to process a transaction using a first currency that is not recognized by a second participant in the transaction. In response to receiving the request from the first participant, an amount of the first currency associated with the first participant is decremented. Also in response to receiving the request from the first participant, an amount of second currency associated with the first participant is incremented. The second participant recognizes the second currency. The transaction is processed using the amount of second currency associated with the first participant.