NetBill Protocol

The NetBill Protocol aims at ruling the purchase of electronic information goods over a network. It involves two parties: a customer and a merchant. Intuitively, (1) the customer requests the price of certain goods to the merchant, (2) the merchant answers by quoting the goods, (3) the customer can either accept or reject the quote, (4) if the customer accepts, the requested information goods are sent in an encrypted form, (5) the customer pays the merchant, (6) the merchant sends the key for the decryption and the receipt of the payment to the customer.

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