Author: Team OnChain

Guides & Education

What Are Ethereum Layer-2 Rollups and How They Improve Scalability in 2025?

Ethereum, the leading smart contract platform, has faced scalability challenges due to high transaction fees and network congestion, especially during peak usage like the DeFi boom of 2020-2021. Layer-2 (L2) rollups have emerged as a critical solution to enhance Ethereum’s scalability while maintaining its security and decentralization. In 2025, rollups are pivotal in making Ethereum faster, cheaper, and more accessible. This article explores what Ethereum Layer-2 rollups are, how they work, and their impact on scalability in 2025.

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