“…integrity, authentication, fairness, nonoverspending, anonymity, transferability, unlinkability, etc.). E-ticket schemes are classified into different types: transferable tickets [6], [7], untransferable tickets [4], [14], multiuse tickets [4], [5] and single-use tickets [4], [6], [7], [15]. Our scheme falls into the untransferable, single-use tickets categories while providing anonymity, unlinkability, nonoverspending and flexibility.…”