In recent years, the rapid development of blockchain technology and cryptocurrencies has
influenced the financial industry by creating a new crypto-economy. Then, next-generation …

The highly fragmented blockchain and cryptocurrency ecosystem necessitates
interoperability mechanisms as a requirement for blockchain-technology acceptance. The …

Since the inception of Bitcoin, a plethora of distributed ledgers differing in design and
purpose has been created. While by design, blockchains provide no means to securely …

Trading goods lies at the backbone of the modern economy and the recent advent of
cryptocurrencies has opened the door for trading decentralized (digital) assets: A large …

Abstract Electronic Commodity Trading has a pivotal role in our economic activities. In the
literature, there is a classic problem called “Fair Exchange” which is fundamental to …

A new era awaits the development of cryptocurrency and blockchain technologies. This
study highlights the influential and conceptual aspects of blockchain and cryptocurrency …

We introduce a blockchain Fair Data Exchange (FDE) protocol, enabling a storage server to
transfer a data file to a client atomically: the client receives the file if and only if the server …

Cryptocurrency exchange services are either trusted central entities that have been routinely
hacked (losing over 8 billion USD), or decentralized services that make all orders public …

Machine Learning as a Service (MLaaS) allows clients with limited resources to outsource
their expensive ML tasks to powerful servers. Despite the huge benefits, current MLaaS …

Outsourcing computations have been widely used to meet the growing computing demands,
although achieving trust in an untrusted (or a zero-trust) environment can be challenging in …