Definition ∞ On-demand rollups are a layer-two scaling solution that batches off-chain transactions for submission to a main blockchain when required. These rollups enhance blockchain scalability by processing numerous transactions off the primary network, then compressing and posting the data back to the main chain for finality. This flexibility can optimize gas costs and latency for applications with varying transaction volumes. They represent an advancement in efficient transaction processing for high-volume decentralized applications.
Context ∞ On-demand rollups represent an evolving area within blockchain scaling, seeking to offer greater efficiency and responsiveness compared to traditional rollup implementations. Discussions often focus on the trade-offs between their flexibility, the complexity of their implementation, and the security guarantees they provide. Developers are actively exploring optimal trigger mechanisms and data availability solutions for these systems. Their adoption could significantly impact the operational costs and speed of various decentralized finance and gaming applications.