# Sovereign Rollup Content type: Glossary Term Summary: A rollup that uses another network for data availability but relies on its own nodes and rules for canonical state. Related resources: - Data Availability (Glossary Term): https://theblockchainlibrary.com/glossary/data-availability - Layer 2 (Glossary Term): https://theblockchainlibrary.com/glossary/layer-2 - Rollup (Glossary Term): https://theblockchainlibrary.com/glossary/rollup - Rollup (Glossary Term): https://theblockchainlibrary.com/glossary/rollup - Throughput (Glossary Term): https://theblockchainlibrary.com/glossary/throughput - The Biggest Blockchain Breakthroughs of 2025 (Article): https://theblockchainlibrary.com/article/the-biggest-blockchain-breakthroughs-of-2025 - Top 10 Blockchain Projects That Defined 2025 (Article): https://theblockchainlibrary.com/article/top-10-blockchain-projects-that-defined-2025
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Sovereign Rollup

A rollup that uses another network for data availability but relies on its own nodes and rules for canonical state.

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A rollup that uses another network for data availability but relies on its own nodes and rules for canonical state.

Why It Matters

Scaling concepts explain how blockchain systems increase capacity while balancing security and decentralization.

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Related Terms

Data Availability

The property that transaction and state-transition data needed to verify a blockchain or rollup is accessible to participants.

Layer 2

Layer 2 refers to secondary protocols built on top of an existing Layer 1 blockchain to improve scalability, efficiency, and speed. These solutions move the bulk of transaction processing off the main chain, while still inheriting the security and finality provided by the base Layer 1. By batching transactions or using alternative data availability paths, Layer 2 networks reduce congestion and transaction costs on the main ledger, facilitating wider mainstream adoption of decentralized applications.

Rollup

A Rollup is a Layer 2 scaling solution that increases Ethereum's transaction throughput by processing transactions off-chain and then posting the compressed data to the Ethereum mainnet. By handling the heavy lifting of computation externally and only using the mainnet for data availability and settlement, rollups drastically reduce gas fees and increase transaction speed while inheriting the security properties of the Ethereum base layer.

Rollup

A rollup is a scaling technique that moves computation and state storage off the main blockchain (Layer 1). It 'rolls up' hundreds or thousands of transactions into a single batch, generating a cryptographic summary that is posted back to the main chain. This drastically reduces the data requirements on the main network while ensuring that the validity of the bundled transactions can be audited and verified by anyone, maintaining the decentralization of the parent chain.

Throughput

The amount of transaction or computational activity a blockchain can process over a given period.