In 1983 Congress adopted the most significant change in the Medicare program since its inception in 1965. Along with measures to ensure the solvency of the Social Security System into the next century, Congress approved a system of prospective payment for hospital inpatient services, whereby hospitals are paid a fixed sum per case according to a schedule of diagnosis related groups (DRGs). The ...

A potentially serious problem with current payment systems is that their underlying hard problems from number theory may be solved by either a quantum computer or unanticipated future advances in algorithms and hardware. A new quantum payment system is proposed in this paper. The suggested system makes use of fundamental principles of quantum mechanics to ensure the unconditional security witho...

The Smart Card Alliance is a not-for-profit, multi-industry association working to stimulate the understanding, adoption, use and widespread application of smart card technology. Through specific projects such as education programs, market research, advocacy, industry relations and open forums, the Alliance keeps its members connected to industry leaders and innovative thought. The Alliance is ...