I present some debatable propositions about financial systems and financial cryptography. (Warning: the propositions expressed may or may not be believed by the author, and may be phrased in a deliberately provocative manner. They may contradict each other. This paper follows the author's slides closely, and does not have all of the ancillary comments of the author and the audience.) 1 I n t e ...

This paper introduces a new credit card payment scheme called No Number Credit Card that can significantly reduce the possibility of credit card fraud. The proposed payment system is loosely based on Kerberos, a cryptographic framework that has stood the test of time. In No Number Credit Card, instead of card numbers, only payment tokens are exchanged between the customers and merchants. The to...

In recent years, with the continuous development of E-commerce, the third-party online payment pattern is gaining increasingly popularity among users. Characterized by its convenience, high-credibility and safety, it has become the mainstream pattern of online payment. With its rapid development, the third-party online payment has drawn more and more attention among people from all circles. And...

Development of e-banking has empirically modified the structure and characters of banks’ performance, efficiency, risk and challenges which have also been articulately recognized based on the international best practices. E-banking brazenly accelerates and restructures financial transactions via enhancing technology and expanding the banking services in comparison with conventional banking. Acc...

E-banking has grown dramatically with the development of ICT industry and banks offer their services to customers from different channels. Nowadays, considering the great economic benefits of electronic banking systems, the need to pay attention to the expansion of electronic banking is increasingly felt in terms of reducing costs and increasing the bank's profitability. The purpose of this stu...

Because many current payment systems are poorly implemented, or of incompetence, private data of consumers such as payment details, addresses and their purchase history can be compromised. Furthermore, current payment systems do not offer any non-repudiable verification to a completed transaction, which poses risks to all the parties of the transaction – the consumer, the merchant and the finan...

it has been tried to compare the “price payment method” in iranian law with “principles of international commercial contracts” and “convention on contracts for international sale of goods vienna, 1980” in this study. different law regulations in various countries should be unified in order to extend rapid and insured trusted law relations among the nations and people all over the world because ...

The security of electronic payment protocols is of interest to researchers in academia and industry. While the ultimate objective is the safest and most secure protocol, convenience and usability should not be ignored, or the protocol may not be suitable for large-scale deployment. Our aim in this paper is to design a practical electronic payment protocol which is both secure and convenient. AN...