A method of facilitating a transaction between a merchant and a buyer using a computerized system including a set of titles. The method includes storing the set of titles in a merchant site corresponding to a set of products for sale; browsing the merchant site using a client device and selecting a product for purchase; and generating a payment slip title for the product including information relating to a payment amount and a buyer identifier. The method further includes selecting a payment structure from a set of available payment structures; modifying the payment slip title to include information corresponding to the selected payment structure; releasing the product title to the buyer; and transmitting the payment amount to the merchant.