What are the benefits provided by a payment system? What are the tradeoffs in public versus private payment systems and in restricted versus open payments arrangements? Modern payment systems encompass a variety of institutional designs with varying degrees of counterparty protection. We develop a framework which allows for an examination and comparison of payment systems, and specification of ...

In December 2014, a group of Australian financial institutions announced that funding had been secured for the next phase of the New Payments Platform (NPP), which will provide the capability for Australian consumers and businesses to make and receive payments in near to real time. The NPP is one example of a fast retail payment system, a number of which have been implemented in other countries...

With the development of digital rights management systems, new commercial applications for the trade with digital goods will be introduced, and new information services will be provided. As digital goods or services can be delivered over networks, it is also desired that they can immediately be paid electronically. Thus, it is assumed that the trade with digital goods stimulates the deployment ...

As business is moving from face-to-face trading, mail order, and telephone order to electronic commerce over open networks such as the Internet, crucial security issues are being raised. Whereas Electronic Funds Transfer over financial networks is reasonably secure, securing payments over open networks connecting commercial servers and consumer workstations poses challenges of a new dimension. ...

This note is an introduction to the area of electronic cash (eCash) schemes. The note presents an informal definition of security of an eCash scheme and presents two examples of eCash schemes, each along with an informal analysis of its security.

Credit-based electronic payment systems are considered to play important roles in future automated payment systems. Like most other types of payment systems, however, credit-based systems proposed so far generally involve computationally expensive cryptographic operations. Such a relatively heavy computational load is preventing credit-based systems from being used in applications which require...