Bitcoin runs on energy. The decentralized network’s amount of energy consumption has resulted in multifaceted discussions about its efficiency and environmental impact. To put Bitcoin’s energy consumption into perspective, we propose to relate (a) the energy consumption in TWh and (b)...

Cover -- Half Title -- Title Page -- Copyright Page -- Contents -- Preface -- Figures and tables -- 1. Introducing blockchain -- 1.1 A transaction -- 1.2 Key characteristics -- 1.3 Categories -- 2. Blockchain's basic components -- 2.1 Technical components -- Peer-to-peer networks --...

In most countries, the regulation of gaming is based on whether the predominance for the outcome of the game lies in skill or chance. As poker has become extremely popular in recent years, a heated discussion has evolved about the amount of skill involved in poker. Recent contributions to this...

Electronic gambling offers the opportunity to analyze huge and unbiased data sets of automatically recorded actual gambling behavior. This study refers to data on 2,127,887 poker playing identities from the Online Poker Database of the University of Hamburg (OPD‐UHH) to analyze three subgroups...

Blockchain-based security token offerings (STOs) provide a new way of crowdfunding and corporate financing. Building on signalling theory, this paper examines 1) whether companies conducting an STO make use of cheap signals to influence investment behaviour and 2) if such use of cheap signals is...

For most purposes of technical analysis, valuation metrics and many other relevant financial methods, the price of the last transaction is considered representative of the market price. The straightforward argument is that at this price, supply and demand have last met. However, on closer...

Cryptocurrency markets are often deemed inefficient. This paper explores how the market reacts to a specific form of public information: large Bitcoin transactions. The event study examines the price effects of 2,132 transactions involving at least 500 Bitcoins over the period September 2018 to...