The disclosed embodiments relate to a method of exchanging information between at least one party and a plurality of intermediaries, the plurality of intermediaries including a selected intermediary. The method may comprise providing correct information to the selected intermediary, providing incorrect information to each of the plurality of intermediaries who are not the selected intermediary, receiving modified information based on the correct information from the selected intermediary, receiving modified information based on the incorrect information from each of the plurality of intermediaries who are not the selected intermediaries, and wherein the plurality of intermediaries do not know the identity of the selected intermediary.