May 24, 2023, 1:10 a.m. | Benjamin Kraner, Nicolò Vallarano, Claudio J. Tessone, Caspar Schwarz-Schilling

cs.CR updates on arXiv.org arxiv.org

This paper presents a study of the Poof-of-Stake (PoW) Ethereum consensus
protocol, following the recent switch from Proof-of-Work (PoS) to
Proof-of-Stake within Merge upgrade. The new protocol has resulted in reduced
energy consumption and a shift in economic incentives, but it has also
introduced new threat sources such as chain reorganizations and balancing
attacks. Using a simple and flexible agent-based model, this study employs a
time-continuous simulation algorithm to analyze the evolution of the blocktree
and assess the impact of …

agent agent-based economic energy ethereum incentives merge pos pow protocol study switch threat upgrade work

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