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This paper presents a decision support framework for optimizing validator selection in proof-of-stake blockchains, balancing portfolio quality and diversification through multi-objective optimization and interactive preference learning.
This paper analyzes power distortions in stake-weighted voting systems used in Proof-of-Stake blockchains, using both analytical methods and empirical data from the Cardano ecosystem's Project Catalyst to show how large stakeholders can dominate decision-making.