Patent attributes
A method begins with storing, by an enterprise storage, an exchange item database, an agreements database, and a rules database. The method continues with an enterprise server initially validating exchange items and creating records in the exchange item database for validated exchange items, where each of the exchange items includes data regarding a quantifiable value, a serial number, and issuance information. The method continues with the enterprise server securely transferring a selected exchange item from a first computing device to a second computing device in accordance with an offer for sale of the selected exchange item and securely applying the selected exchange item to a closed loop digital transaction between two computing entities in accordance with an agreement of the agreements database. The method continues with the enterprise server securely modifying the data of the selected exchange item in accordance with an applicable set of rules from the rules database.