Patent ID: 8725651

Claim:
A computerized online system for private fixed cost digital goods pricing, comprising: an e-commerce server with a processor and a memory configured to execute code, comprising: a database to store an encrypted price of identically-priced digital goods offered for sale on an online vendor system; a pricing module to adjust the stored encrypted price by a constant to determine a target price; a seller module to update the original stored encrypted price of the digital good with the adjusted encrypted price, wherein said updated encrypted price is not known to the seller module and approaches the target price; and an encryption module to homomorphically encrypt the adjusted encrypted price to create a homomorphically encrypted price; and a purchaser client with a processor and memory to execute code to provide to the online vendor system purchasing decision information about a particular digital good at the homomorphically encrypted price regardless of whether the decision is to purchase the particular digital good, wherein the purchasing decision information does not include the identity of the particular digital good.