Abstract: The invention relates to systems and methods for trading financial products over a computer network, such as the Internet. In one embodiment, the invention provides a method for trading financial products over a computer network. Seller information is received from a first client, the seller information relating to a financial product offered for sale on behalf of a seller, at least some of the seller information comprising due diligence information, the due diligence information capable of fulfilling at least a portion of a request for due diligence on the financial product. The seller information about the financial product is stored in a database. A second client is provided with an opportunity to obtain the due diligence information on behalf of a potential buyer of the financial product. A bid is stored for the financial product from the second client in the database, if it can be shown that second client has obtained the due diligence information.

Abstract: The invention relates to systems and methods for trading products and services over a computer network, such as the Internet. In one embodiment, the invention provides a method for trading financial products over a computer network. The system ranks buyers based on the likelihood that they will bid on the products being offered. The system can track the users by certain user information, as well as block a certain user's access to the system based on the user's information.