METHODS FOR DISCOVERING AND PAYING DEBTS OWED BY A GROUP

Ranking payment requests includes a peer-to-peer payment system that employs a server configured for receiving a payment request from a requester computing device; receiving location data of the requester network device; receiving a request for a ranking of payment requests; searching social network information of the payor for occurrences of the requester of the payment request; receiving location data of the payor network device, the location data comprising a location of the payor computing device and a location history of the payor computing device; searching a transaction history of the payor; ranking the payment requests based at least in part on one or more of the location of the requester, a strength of social network connections to the payor for each of the payment requesters, and number of previous transactions between the payor and the requester; and providing the ranking of the payment requests to the payor.