A Rollup Comparison Framework
Jan Gorzny, Martin Derka

TL;DR
This paper presents a comprehensive framework to classify and compare different types of blockchain rollups based on features like finality, modularity, and maturity, aiding better understanding of their differences.
Contribution
It introduces a systematic classification framework for rollups, highlighting key dimensions such as familiarity, finality time, modularity, and maturity.
Findings
Framework enables comparison of rollup properties
Identifies key dimensions influencing rollup design
Facilitates understanding of rollup diversity
Abstract
Rollups are a popular blockchain paradigm where one blockchain network is anchored to a different blockchain network, typically though smart contracts and data commitments. The rollup executes transactions on its own network and periodically publishes them along with the state root of the rollup network. The state root is determined to be final by a protocol, often enforced by smart contracts on the anchoring blockchain, which may let the state roots be challenged or verify an accompanying validity proof. While this core functionality is universal to existing rollups, these systems have introduced unique features as they vie for users and market dominance. In this paper, we aim to classify ways in which these rollups differ in order to establish a common ground of understanding. We explore various dimensions in which these system can differ: familiarity, finality time, modularity, and…
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Taxonomy
TopicsBlockchain Technology Applications and Security · Digital Platforms and Economics · Cloud Computing and Resource Management
