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A Monetary Model of Blockchain

Author

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  • Almosova, Anna
Abstract
The recent emergence of blockchain-based cryptocurrencies has received a considerable attention. The growing acceptance of cryptocurrencies has led many to speculate that the blockchain technology can surpass a traditional centralized monetary system. However, no monetary model has yet been developed to study the economics of the blockchain. This paper builds a model of the economy with a single generally acepted blockchain-based currency. In the spirit of the search and matching literature I use a matching function to model the operation of the blockchain. The formulation of the money demand is taken from a workhorse of monetary economics - Lagos and Wright (2005). I show that in a blockchain-based monetary system money demand features a precautionary motive which is absent in the standard Lagos-Wright model. Due to this precautionary money demand the monetary equilibrium can be stable for some calibrations. I also used the developed model to study how the equilibrium return on money is dependent on the blockchain parameters such as mining costs and rewards.

Suggested Citation

  • Almosova, Anna, 2018. "A Monetary Model of Blockchain," VfS Annual Conference 2018 (Freiburg, Breisgau): Digital Economy 181502, Verein für Socialpolitik / German Economic Association.
    • Handle: RePEc:zbw:vfsc18:181502
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    File URL: https://www.econstor.eu/bitstream/10419/181502/1/VfS-2018-pid-11509.pdf
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    References listed on IDEAS

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    16. Max Fuchs, 2022. "CBDC as Competitor for Bank Deposits and Cryptocurrencies," MAGKS Papers on Economics 202210, Philipps-Universität Marburg, Faculty of Business Administration and Economics, Department of Economics (Volkswirtschaftliche Abteilung).
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    More about this item

    Keywords

    Blockchain; Miners; Cryptocurrency; Matching function;
    All these keywords.

    JEL classification:

    • E40 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - General
    • E41 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Demand for Money
    • E42 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Monetary Sytsems; Standards; Regimes; Government and the Monetary System

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