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Proof of Work and Proof of Stake Consensus Protocols: A Blockchain Application for Local Complementary Currencies


  • Sothearath Seang

    (Université Côte d'Azur, France

  • Dominique Torre

    (Université Côte d'Azur, France


This paper examines, with the help of a theoretical setting, the properties of two blockchain consensus protocols, namely the Proof of Work (PoW) and the Proof of Stake (PoS) protocol in the management of a digital local complementary currency or a network of digital local currencies. The model includes a control (by the issuer of the currency) of advantages derived from the use of a local currency by heterogeneous consumers and a determination of rewards for heterogeneous validators and miners. It also considers the resilience of these protocols to attacks conducted by an individual or a pool of validators or miners. Our results share similarities with an ordinary crypto-currency system and show that there is support for the PoS protocol for small communities of local complementary currencies, whereas the PoW appears to be more advantageous when the size of the communities is significantly large.

Suggested Citation

  • Sothearath Seang & Dominique Torre, 2019. "Proof of Work and Proof of Stake Consensus Protocols: A Blockchain Application for Local Complementary Currencies," GREDEG Working Papers 2019-24, Groupe de REcherche en Droit, Economie, Gestion (GREDEG CNRS), Université Côte d'Azur, France.
  • Handle: RePEc:gre:wpaper:2019-24
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    Cited by:

    1. Richard Baron & Magali Chaudey, 2019. "Blockchain and Smart-contract: a pioneering Approach of inter-firms Relationships? The case of franchise networks," Working Papers halshs-02111603, HAL.

    More about this item


    payment systems; heterogeneous agents; Proof of Work; Proof of Stake; blockchain; local currency; consensus protocol;
    All these keywords.

    JEL classification:

    • E42 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Monetary Sytsems; Standards; Regimes; Government and the Monetary System
    • D91 - Microeconomics - - Micro-Based Behavioral Economics - - - Role and Effects of Psychological, Emotional, Social, and Cognitive Factors on Decision Making
    • L86 - Industrial Organization - - Industry Studies: Services - - - Information and Internet Services; Computer Software
    • O31 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - Innovation and Invention: Processes and Incentives


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