Patent ID: 7216105

Claim:
An offline-based reload device, for a portable value storage medium (“medium”) comprising: a medium reader reading a stored Transaction Sequence Number (“TSN”) and at least one purse address stored on said medium; a Card Identifier Code (“CIC”) input means for receiving a presented CIC; an One Time Number (“OTN”) input means for receiving an OTN containing encrypted TSN, CIC, purse address and value components; a decoder decoding said OTN to determine said encrypted TSN, CIC, purse address and value components; a comparator communicating with said medium reader, CIC input means, OTN input means and decoder comparing at least said encrypted TSN, CIC and purse address with said stored TSN, purse address and presented CIC; a loader loading value onto a purse on said medium identified by said purse address in an amount corresponding to said value, said loader communicating with said comparator and being configured to only load said value if said encrypted TSN and CIC components accord with said stored TSN and said presented CIC; and, a TSN updater updating said stored TSN to a next sequential TSN an OTN input means for receiving a One Time Number (“OTN”) containing encrypted TSN, CIC purse address and value components.