Design of a secure unified e-payment system in Nigeria: A case study.


Charles K. Ayo and Wilfred Isioma Ukpere*

The automatic teller machine (ATM) is the most widely used e-Payment instrument in Nigeria. It is responsible for about 89% (in volume) of all e- Payment instruments since 2006 to 2008. Some customers have at least two ATM cards depending on the number of accounts operated by them and they represent the active users of the ATM cards. Furthermore, identity theft has been identified as one of the most prominent problems hindering the wider adoption of e-Business, particularly e-Banking, hence the need for a more secure platform of operation. Therefore, in this paper we propose a unified (single) smart card-based ATM card with biometricbased cash dispenser for all banking transactions. This is to reduce the number of ATM cards carried by an individual and the biometric facility is to introduce another level of security in addition to the PIN which is currently being used. A set of questionnaire was designed to evaluate the acceptability of this concept among users and the architecture of the proposed system is presented.

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