This paper studies the potential of a cryptocurrency to become a medium of exchange. We use evidence from a natural experiment: In September 2021, El Salvador became the first country in the world to make bitcoin legal tender, and all economic agents were required to accept bitcoin for all...

This paper considers whether the stability of Bitcoin in the market as a method of payment using a dual currency money-search model. In the model, there is traditional money and Bitcoin. The two currencies are classified by the storage cost and the probability that sellers accept particular...

Cashless society, in which paper money and coins are replaced with virtual money, embodied in RFID, NFC and other electronic chips, or located in the ‘cloud', is fiction no more; it is nearby, and in some countries on the verge of full manifestation. Cashless society is marketed and promoted...

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...

New and innovative payment systems are often hailed as historic steps forward. Central banks worldwide have encouraged technological progress in these systems to improve the accessibility and efficiency of payment. This has always been in the self-interest of central banks to fulfil their...

This study shows that changes in bitcoin exchange reserves are negatively related to contemporaneous and future bitcoin returns, consistent with the hypothesis that the transfer of bitcoin on exchanges implies increased price pressure and vice versa. We further identify an asymmetry between...

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 study a model of financial intermediation, payment choice, and privacy in the digital economy. Cash preserves anonymity but cannot be used for more efficient online transactions. By contrast, bank deposits can be used online but do not preserve anonymity. Banks use the information contained...

The present work offers a review on two divergent schools of thought regarding the subject of money and highlights why understanding it is important to grasp the workings and nature of the concept of money. We adopt a spontaneous order perspective on social institutions, considering money as...