The present invention provides a device for processing electronic transaction request messages from financial institutions, each transaction request message instructing payment of funds from one financial account in a first financial institution to another financial account in a second financial institution, the device comprising: a plurality of switches located at a location, each switch being operable to receive a transaction request message from a financial institution; and a clustered database connected to the plurality of switches, the clustered database comprising a plurality of synchronised databases, wherein the clustered database is con figured to generate a transaction summary record on the basis of the received transaction request message that allows settlement of the funds between the financial accounts defined by the received transaction request message.