A method for financing a purchase order includes receiving a purchase order from a customer node communicatively connected to a server, wherein the purchase order includes information regarding a customer associated with the customer node, a supplier of goods, at least one item to be purchased, a cost of the purchase order and a preferable loan term; collecting metadata related to the customer associated with the customer node; analyzing the purchase order and the collected metadata to compute a credit standing for the customer; determining whether the credit standing crosses a predetermined threshold, wherein the predetermined threshold is set respective of the purchase order; requesting from a supplier node communicatively connected to the server an electronic authentication respective of the purchase order, when the credit standing crosses the predetermined threshold; and sending an electronic guarantee to finance the purchase order to the supplier node, upon reception of the electronic authentication.