2228 search results - page 22 / 446 » Electronic Payment Systems |
ACISICIS
2008
IEEE
14 years 1 months ago
2008
IEEE
In recent years, many Mobile Payment (MP) schemes have been proposed and used in practise. However, a prerequisite for extended acceptance and adoption of MP technologies is to de...
ISTCS
1997
Springer
13 years 11 months ago
1997
Springer
We introduce the k-payment problem: given a total budget of N units, the problem is to represent this budget as a set of coins, so that any k exact payments of total value at most ...
SNPD
2004
13 years 8 months ago
2004
Spam is a major problem facing email today, and current solutions are ineffective. This paper presents our progress towards defining and implementing a payment-based email deliver...
CDC
2009
IEEE
14 years 2 days ago
2009
IEEE
— We consider a scenario where an application service provider (ASP) hires a network service provider (NSP) to deliver its service and pays for the employment of the NSP. We stud...
ACSAC
1998
IEEE
13 years 11 months ago
1998
IEEE
This paper describes various possible attacks on temporal properties such as temporal records of payment times and declarations of the closing times for electronic submissions, an...