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Blockchains and Strategic Secondary Censorship

Author

Listed:
  • Yackolley Amoussou-Guenou

    (Université Paris-Panthéon-Assas)

  • Maarten R.C. van Oordt

    (Vrije Universiteit Amsterdam)

Abstract

Censorship resistance is often considered to be a core attribute of distributed ledgers. Censorship resistance refers to the inability to selectively exclude technically valid but undesirable transactions from the blockchain. We examine blockchain censorship in a game-theoretic framework that allows for both primary and secondary censorship. The analysis identifies scenarios in which both inclusion and censorship equilibria exist. Once an equilibrium with strategic secondary censorship is implemented, it may be hard to revert to inclusion: Censorship equilibria are perfectly coalition-proof if the negative impact of an undesirable transaction on block producers is sufficiently large. These results highlight the growing importance of research into methods shaping censorship resistance at the technical layer.

Suggested Citation

  • Yackolley Amoussou-Guenou & Maarten R.C. van Oordt, 2026. "Blockchains and Strategic Secondary Censorship," Tinbergen Institute Discussion Papers 26-069/IV, Tinbergen Institute.
    • Handle: RePEc:tin:wpaper:20260069
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    JEL classification:

    • C72 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Noncooperative Games
    • G2 - Financial Economics - - Financial Institutions and Services
    • L86 - Industrial Organization - - Industry Studies: Services - - - Information and Internet Services; Computer Software

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