While artificial intelligence is widely employed in many applications, it is vulnerable to bias
and unethical use. Therefore, fairness evaluation tools and bias mitigation algorithms have …

Internet of Things (IoT)-based E-commerce is a new business model that relies on
autonomous transaction management on IoT-devices. The management system toward IoT …

We consider the free-rider problem that arises in peer-to-peer file sharing networks such as
Napster: the problem that individual users are provided with no incentive for adding value to …

This paper describes the architecture of a time-multiplexed FPGA. Eight configurations of the
FPGA are stored in on-chip memory. This inactive on-chip memory is distributed around the …

We attempt to formally de ne the strong fair exchange problem and present a proof that it is
impossible to solve strong fair exchange without a trusted third party. The proof is …

The advent of e-commerce together with the growth of the Internet promoted the digitisation
of the payment process with the provision of various online payment methods like electronic …

This paper discusses the design, implementation, and deployment of a secure and practical
payment system for electronic commerce on the Internet. The system is based on the iKP …

Nonrepudiation is a security service that plays an important role in many Internet
applications. Traditional two-party nonrepudiation has been studied intensively in the …

Motivated by the great success and adoption of Bitcoin, a number of cryptocurrencies such
as Litecoin, Dogecoin, and Ethereum are becoming increasingly popular. Although existing …

We present a new theoretical generic protocol that offers non-repudiation services. We first
go through the state of the art about non-repudiation. We will see that in order to achieve …