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Power Imbalances in Proof-of-Stake Governance Analyzed

publication · 2026-05-20

A new study on arXiv (2605.19264) examines power distortions in stake-weighted voting, the core governance mechanism of Proof-of-Stake blockchains. Using the Penrose-Banzhaf power index, researchers demonstrate analytically that perfect alignment between voting power and stake ownership is generally impossible, though approximation is possible under specific conditions. Empirically, data from Project Catalyst, a real-world on-chain governance system, reveals significant power imbalances where a few large stakeholders can dominate decision-making without majority ownership. The work contributes to computational social choice theory and highlights systemic risks in current PoS governance.

Key facts

  • Study published on arXiv with ID 2605.19264
  • Focuses on stake-weighted voting in Proof-of-Stake blockchains
  • Uses Penrose-Banzhaf power index to quantify power
  • Analytical result: perfect power-stake alignment is unattainable
  • Empirical data from Project Catalyst on-chain governance
  • Reveals power imbalances where few large stakeholders control decisions
  • Contributes to computational social choice theory
  • Highlights risks in current PoS governance paradigms

Entities

Institutions

  • arXiv
  • Project Catalyst

Sources