Patent ID: 6442571
Filing Date: 2002-08-27
Classification: G06F,H04L,Y10S

Abstract:
A receiving data transfer device that receives data and data transfer attributes electronically transferred from at least one remote device originating a data transfer, the receiving data transfer device comprising:a delivery receipt system that generates a delivery receipt comprising data transfer attributes verification after successfully verifying that the received data is the same as the data sent by the at least one remote device; a certifying system that communicates with an independent certifying processing device that certifies delivery receipts, the independent certifying processing device sending receipt certification to at least one of the devices involved in the data transfer after processing a delivery receipt, which certification comprises authentication of the data transfer using a postmark of a postal authority which postmark is a unique digital characterization of the delivery receipt, wherein at least one successful data transfer to the receiving data transfer device is certified by the independent certifying processing device.