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Decentralization Levels of L2 Scaling Solutions on Ethereum

  • 2025
  • OriginalPaper
  • Chapter
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Abstract

This chapter delves into the fundamentals of Ethereum, its core operations, and the challenges it faces in terms of scalability. It explores the development of Ethereum, from its inception to the transition from proof-of-work to proof-of-stake, and the persistent scaling problems that have emerged. The text discusses three main approaches to scaling Ethereum: sharding, sidechains, and Layer 2 (L2) scaling solutions. It focuses on L2 solutions, their types, architectures, and the decentralization levels framework introduced by Vitalik Buterin and Luca Donno. The chapter concludes with an overview of the current state of L2 solutions and the ongoing efforts to achieve full decentralization and scalability on Ethereum.

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Title
Decentralization Levels of L2 Scaling Solutions on Ethereum
Author
Lorenz Raphael Lehmann
Copyright Year
2025
DOI
https://doi.org/10.1007/978-3-031-91405-8_7
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