We show that there cannot be common knowledge trade in a truly decentralised environment, such as in a blockchain. A trade is an agreement to buy and sell a security that pays according to some state of nature; it is settled when the security's value is verified by an oracle, an intermediary who...

The main drawback of the Bitcoin cryptocurrency is its low scalability, which somehow is a consequence of the Proof-of-Work (PoW) consensus algorithm. So many other cryptocurrencies use the Proof-of-Stake (PoS) algorithm. In this paper, we present an outline of the architectural design of ARAM...

In this paper we provide a brief survey of the potential of blockchain technology to propel a process of private entrepreneurial discovery of institutions that challenge state hegemony. Entrepreneurs now have access to new tools to develop decentralised private governance across areas which have...

The "Blockchain" is a revolutionary database that does away with the weaknesses of traditional solutions for storing big data. It provides a transparent record of the entire business network, allowing buyers and sellers of each vehicle to track where the vehicle is in its lifecycle. The...

This work investigates whether several types of blockchains could fall under the scope of application of the database-directive (DBD). It starts with a technical chapter which explains blockchain-technology in order to provide the reader with the necessary background information. Two...

Purpose - The purpose of this paper is to examine the blockchain as a trusted computing platform. Understanding the strengths and limitations of this platform is essential to execute large-scale real-world applications in blockchains. Design/methodology/approach - This paper proposes several...