Definition ∞ A custom rollup is a specialized Layer 2 scaling solution built to aggregate and process transactions off a main blockchain, then periodically submit a summary to the main chain. Unlike general-purpose rollups, a custom rollup is tailored for specific application needs, often with optimized execution environments or data availability layers. This customization allows for enhanced performance, reduced costs, and specific feature sets for a particular decentralized application or ecosystem. It enables greater flexibility and control over the scaling infrastructure.
Context ∞ The increasing adoption of custom rollups signifies a trend toward application-specific blockchain architectures designed for particular use cases, like gaming or decentralized finance. News often discusses the trade-offs involved, such as the balance between customization benefits and potential increases in operational complexity or security considerations. The development of rollup-as-a-service platforms further highlights the growing interest in these adaptable scaling solutions.
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