In just a few years, central banks have rapidly ramped up their research and development
efforts on central bank digital currencies (CBDCs). A growing body of economic research …

Big data has generated strong interest in various scientific and engineering domains over
the last few years. Despite many advantages and applications, there are many challenges in …

The intersection of finance and technology, known as fintech, has resulted in the dramatic
growth of innovations and has changed the entire financial landscape. While fintech has a …

The core technical component of blockchains is consensus: how to reach agreement among
a distributed network of nodes. A plethora of blockchain consensus protocols have been …

We model cryptocurrencies as utility tokens used by a decentralized digital platform to
facilitate transactions between users of certain goods or services. The network effect …

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 …

We examine decentralization of digital platforms through tokenization as an innovation to
resolve the conflict between platforms and users. By delegating control to users, tokenization …

Blockchain, a promising decentralized para-digm, can be exploited not only to overcome the
shortcomings of the traditional crowdsourcing systems, but also to bring technical …

Bitcoin introduced delegation of control over a monetary system from a select few to all who
participate in that system. This delegation is known as the decentralization of controlling …

Selfish mining attacks sabotage the blockchain systems by utilizing the vulnerabilities of
consensus mechanism. The attackers' main target is to obtain higher revenues compared …