How well can a cryptocurrency serve as a means of payment? We study the optimal design of cryptocurrencies and assess quantitatively how well such currencies can support bilateral trade. The challenge for cryptocurrencies is to overcome double-spending by relying on competition to update the...

Concluding thoughts and outlook for the future of the technologies affording digital currencies, cryptocurrencies, blockchain and smart contracts. For Chapter 1 (Introduction), see https://ssrn.com/abstract=3135021. For Chapter 2 (Means of Exchange: Ever-present Competition), see...

In this chapter we discuss the use of blockchain technology for enterprises, including governments. 7.1. Distributed database: what is it and what for? 7.2. Limitation of Bitcoin’s blockchain for enterprise use. 7.3. Consensus for permissioned distributed systems. 7.4. Enterprise blockchain...

In this chapter we discuss smart contracts and functionalities they afford, especially in combination with blockchain. 6.1. The rise of Ethereum. 6.1.1. History. 6.1.2. Ethereum is “different”. 6.2. Smart contracts. 6.2.1. Smart contracts on Ethereum. 6.2.2. What do smart contracts need a...

We analyze statistical properties of the largest cryptocurrencies (determined by market capitalization), of which Bitcoin is the most prominent example. We characterize their exchange rates versus the U.S. Dollar by fitting parametric distributions to them. It is shown that returns are clearly...

Blockchain technology breathes new life into the classical analysis of money as a substitute for a ledger of all past transactions. While it involves updating the ledger through a decentralized consensus on the unique truth, the robustness of the equilibrium that supports this consensus depends...

This paper provides background to the upcoming EU regulation on Markets in Crypto-Assets (MiCA). The first step to regulate crypto-assets at EU level was taken by including virtual currencies in the revision of the Anti-Money Laundering Directive (5AMLD) which came into force 2018. Initial coin...

The purpose of this study is to analyze the contents of cryptocurrency value design based on adaptability to the current market. It is also intended to provide a method of issuing cryptocurrency before its creation, and an operation method afterwards. Activities before the creation of...