Monopoly without a monopolist : An economic analysis of the bitcoin payment system

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Title: Monopoly without a monopolist : An economic analysis of the bitcoin payment system
ISBN: 978-952-323-186-3
Author: Huberman, Gur ; Leshno, Jacob D. ; Moallemi, Ciamac
Organization: Bank of Finland
Series: Bank of Finland Research Discussion Papers
ISSN: 1456-6184
Series year: 2017
Series number: 27/2017
Year of publication: 2017
Publication date: 5.9.2017
Pages: 56
Subject (yso): valuutta; maksuvälineet; raha; maksujärjestelmät
Keywords: Bitcoin; lohkoketju; virtuaaliraha; virtuaalivaluutta
JEL: D40; D20; L10; L50
Other keywords: Bitcoin; blockchain; queueing; two-sided markets; market design; cryptocurrency
Abstract: Owned by nobody and controlled by an almost immutable protocol the Bitcoin payment system is a platform with two main constituencies: users and profit seeking miners who maintain the system's infrastructure. The paper seeks to understand the economics of the system: How does the system raise revenue to pay for its infrastructure? How are usage fees determined? How much infrastructure is deployed? What are the implications of changing parameters in the protocol? A simplified economic model that captures the system's properties answers these questions. Transaction fees and infrastructure level are determined in an equilibrium of a congestion queueing game derived from the system's limited throughput. The system eliminates dead-weight loss from monopoly, but introduces other inefficiencies and requires congestion to raise revenue and fund infrastructure. We explore the future potential of such systems and provide design suggestions.
Rights: https://helda.helsinki.fi/bof/copyright


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