With the technological development of e-commerce and the increasing necessity to use online transactions, more and more online electronic payments systems have appeared to meet global demand. Furthermore, user acceptance of these kinds of systems is different for individuals in different cultures, and culture could be a factor that has great potential impact on predictions of user acceptance. The world has evolved to a degree where transactions occur between different cultural environments. This study aims to provide an understanding of how culture affects users’ intentions of electronic payment systems. Based on the purpose of this study, a questionnaire has been conducted in the interest of collecting data for statistical purposes. To make more sense about the results, a case study on PayEx (an electronic payment system) in Linnaeus University has been conducted through analysing twenty users’ interview records. Finally, this study expands on user acceptance research through looking at the role of culture and social influence. In practice, the results of this study give the thought for accurate forecasting of user acceptance towards electronic payment systems with considering cultural influence.

A día de hoy un amplio número de propuestas han aparecido para intentar ofrecer sistemas de pago seguros y frameworks para realizar transacciones de pago. Sin embargo, a pesar de estas propuestas, todavía quedan determinados aspectos por cubrir.Desde el punto de vista de los sistemas de pago, las características a mejorar para los escenarios del tipo B2C (Business to Customer) de productos electrónicos son el no repudio y el intercambio equitativo. El uso de monederos electrónicos puede contribuir a incrementar la seguridad estos sistemas, facilitar la movilidad del dinero electrónico y su uso en distintos escenarios. Sin embargo, actualmente su uso para realizar pagos en la red es reducido. El principal problema que presentan las soluciones de pago basadas en monederos es la necesidad de que los distintos vendedores incorporen el uso de dispositivos hardware con módulos SAM (Secure Application Module) que pueden llevar a que el proceso de pago sea lento.Por otro lado, cada vez existen más protocolos de pagos, con distintas características y que según éstas se adaptan mejor a la compra de unos determinados productos o servicios en determinados escenarios. Para facilitar el uso de distintos protocolos de pago en un mismo escenario aparecen los frameworks de pagos. Sin embargo, hasta ahora, no existenframeworks de pagos suficientemente genéricos que contemplen todos los elementos necesarios para utilizar estos protocolos de una forma genérica.En respuesta a estas necesidades este trabajo de tesis presenta distintas soluciones. Por un lado presenta dos soluciones de pago basadas en monedero inteligente que pretenden facilitar el uso de estos dispositivos de una forma progresiva. En primer lugar, facilitando el pago con los monederos existentes y, en segundo lugar, proponiendo un nuevo monedero que facilite su uso para pagos en la Web.Por otro lado se han definido distintos frameworks de pagos que permitirán la adquisición de los principales tipos de productos y servicios electrónicos: contenidos Web, contenidos distribuidos bajo streaming, servicios Web y, finalmente, servicios multimedia basados en sesiones. Estos frameworks se basan en la definición de varios componentes genéricos, como son los wallets para soportar distintos protocolos de pago, un protocolo de pagos genérico que soporta la negociación y elección de las opciones de pago a utilizar y sus precios y, finalmente, la descripción de la información de pago de una forma genérica.[ / ]Nowadays a large number of proposals have emerged to offer secure payment systems and frameworks to perform payment transactions. However, in spite of these proposals, there are still some issues to be covered.From the payment systems point of view, the features to improve in B2C (Business to Customer) scenarios of electronic products are non repudiation and fair exchange. The use of e-purses can contribute to increase the security of these systems, facilitating the mobility of electronic money and its use in different scenarios. However, currently its use to make payments on the Internet is reduced. The main problem that payment-based solution present is the requirement, for vendors, of incorporating hardware devices with SAM (Secure Application Module) modules that could lead the payment process is slow.On the other hand, there are more and more payment protocols, with different features and that depending on them can be adapted better to the purchase of certain products or services in specific scenarios. With the aim of facilitating the use of different payment protocols in the same scenario, payment frameworks appeared. However, until now, there is no payment frameworks secure enough that take into account all the elements needed to use these protocols in a generic way.As a response to these needs, this PhD thesis presents several solutions. On the one hand, we propose two payment solutions based on e-purse that intend to facilitate the use of these devices progressively. Firstly, by facilitating the payment with the existing e-purses and, secondly, by proposing a new e-purse that facilitates the use of e-purses to make payments on the Web.On the other hand, different payment frameworks that will allow the purchase of the main types of electronic products and services (Web contents, contents distributed by streaming, Web services and multimedia services based on sessions) have been defined.These frameworks are based on the definition of several generic components, as wallets for supporting the negotiation and choice of payment options to use and their prices, and, finally, the description of payment information in a generic way.Thus, the proposals presented offer secure payment protocols based on e-purses and different frameworks for the main electronic products and services that facilitate the use of the protocols as well as any other payment protocol. Furthermore, these proposals can improve the use of payment systems in a trusted way.

Electronic Payment Systems (EPS) are gaining popularity all over the world. An EPS consists of many component technologies which facilitate cashless payments for services. The focus of this thesis is on device associated technologies that an end customer uses to initiate an e-payment for a particular service via a Payment Service Provider (PSP). A technology solution in an EPS is developed by a Payment Solution Developer (PSD). The market between a PSP and a PSD is a B2B market. A PSD must understand and develop that combination of technology and service which will successfully diffuse. The success of a PSP therefore depends a lot on what a PSD develops. A theoretical framework to measure diffusion of e-payment technologies, services and their combinations in the B2B market was developed and empirically assessed in this thesis. Two concepts namely concept of breadth and concept of spread were defined. The concept of breadth and spread were applied to e-payment technologies, services and their combinations. The derived concepts namely technology breadth, service breadth, technology spread, service spread and technology-service combination spread were defined and measured. We then extended the concept of breadth to understand utilization of technologies and services within an EPS. Set theory was used to describe the framework. A sample of 45 EPS was compiled from various sources. This secondary data of EPS consisted of 8 technologies and 16 services. The 8 technologies are Interactive Voice Response (IVR), text messaging using Short Messaging Service (SMS), text messaging using Unstructured Supplementary Service Data (USSD), mobile internet using Wireless Application Protocol (WAP), mobile application, Near Field Communication (NFC), Personal Computer (PC) internet and smart card. The 16 services are retail shopping payment, banking, health payment, insurance payment, mobile bill payment, mobile recharge, money transfer, movie ticket booking, parking fee payment, restaurant payment, payment at sports/swimming club, toll payment, transportation payment, tuition fee payment, utilities payment, and vending machine payment. Three categories of PSPs namely core payment service providers (n=18), non-core payment service providers (n=12) and merchants (n=15) were identified from the 45 EPS. Binomial proportion test was used to verify the concepts of breadth and spread. Spearman correlation was used to find correlation between the concept of breadth and spread of technologies and services. The 45 EPS in the sample were then grouped under three sub groups based on the categories of their PSPs. Binomial tests were used within each sub group to understand the preferences of technologies, services and their combinations by each category. The results verified that certain e-payment technologies possess more breadth i.e., capability to deliver many e-payment services and certain e-payment services possess more breadth i.e., delivered by many e-payment technologies. A difference in diffusion i.e., spread of technologies, services and their combinations were observed. Details of these differences are discussed in this thesis for technologies, services and their combinations. A positive correlation was observed between the concept of breadth and spread. Specialization of technologies, services and their combinations within categories of PSPs were observed. Variations in utilization of technologies and services by EPS were observed.

The work deals with the analysis of security management in company selling goods trought the stone shop and the electronic commerce. The assets and threats affecting them were identified and an analysis of risks and selected measures was evaluated. The work is based on the theoretical background from series of standards ISO/IEC 27000 given in the first part of it.

This diploma thesis is focused on new trends in payment systems for digital content. In the introductory chapter are briefly described the current types of electronic payment systems. The next part of the thesis introduces a foreign research studies and compares their results with results of the questionnaire survey conducted within the frame of the thesis. The following chapters are devoted to Czech and foreign electronic payment systems, focusing on the sale of digital content, the general development of the Czech micropayment systems and comparison of functionalities of the payment systems in order to compose a summary of recommendations for selected individuals involved in the field of electronic commerce. Following parts of this thesis are focused on the identification of the main trends in charging for Czech and foreign media content and presentation of the results of the questionnaire survey. The core of the work is to identify the main problems of the development of electronic payment systems, the identification of new trends in the pricing of media content and the summary of recommendations for the selected entities in the area of electronic commerce according to the knowledge gained in the diploma thesis.

As today, the traditional payment systems of cash, cheques and credit cards are being supplemented by electronic cheques, electronic credit card-based systems, and token-based systems, online security is of utmost importance and one of the biggest criteria used for evaluating electronic payment systems. Electronic payment systems must guarantee the essential security requirements: confidentiality, privacy, integrity, availability. authentication, non-repudiation as well as anonymity and trust. This paper compares the various payment systems (both traditional and electronic) available today mainly according to their security aspects. Secure processing can be accomplished including access controls and detection techniques, such as, encrypted communication channels, user and/or message authentication, symmetric and asymmetric encryption, digital certificates and firewalls. These effective security measures, which are outlined in detail in this paper, will protect the information and payment systems against security risks that currently threaten the Internet / Computing / M.Sc. (Information Systems)

As today, the traditional payment systems of cash, cheques and credit cards are being supplemented by electronic cheques, electronic credit card-based systems, and token-based systems, online security is of utmost importance and one of the biggest criteria used for evaluating electronic payment systems. Electronic payment systems must guarantee the essential security requirements: confidentiality, privacy, integrity, availability. authentication, non-repudiation as well as anonymity and trust. This paper compares the various payment systems (both traditional and electronic) available today mainly according to their security aspects. Secure processing can be accomplished including access controls and detection techniques, such as, encrypted communication channels, user and/or message authentication, symmetric and asymmetric encryption, digital certificates and firewalls. These effective security measures, which are outlined in detail in this paper, will protect the information and payment systems against security risks that currently threaten the Internet / Computing / M.Sc. (Information Systems)