Tiered Mechanisms for Blockchain Transaction Fees

Aggelos Kiayias (), Elias Koutsoupias (), Philip Lazos and Giorgos Panagiotakos ()
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Aggelos Kiayias: University of Edinburgh
Elias Koutsoupias: University of Oxford
Philip Lazos: Jump Trading
Giorgos Panagiotakos: Input Output

Chapter Chapter 1 in Mathematical Research for Blockchain Economy, 2024, pp 1-26 from Springer

Abstract: Abstract Blockchain systems come with the promise of being inclusive for a variety of decentralized applications (DApps) that can serve different purposes and have different urgency requirements. Despite this, the transaction fee mechanisms currently deployed in popular platforms as well as previous modeling attempts for the associated mechanism design problem focus on an approach that favors increasing prices in favor of those clients who value immediate service during periods of congestion. To address this issue, we introduce a model that captures the traffic diversity of blockchain systems and a tiered pricing mechanism that is capable of implementing more inclusive transaction policies. In this model, we demonstrate that EIP-1559, the transaction fee mechanism currently used in Ethereum, is not inclusive and demonstrate experimentally that its prices surge horizontally during periods of congestion. On the other hand, we prove formally that our mechanism achieves stable prices in expectation and we provide experimental results that establish that prices for transactions can be kept low for low urgency transactions, resulting in a diverse set of transaction types entering the blockchain. At the same time, perhaps surprisingly, our mechanism does not necessarily sacrifice revenue since the lowering of the prices for low urgency transactions can be covered from high urgency ones due to the price discrimination ability of the mechanism.

Keywords: Blockchain protocols; Transaction fees; Diversity (search for similar items in EconPapers)
Date: 2024
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DOI: 10.1007/978-3-031-68974-1_1

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