Tag: Layer 2 scaling

6 August 2025

Kurt Marquardt 1

What Are Rollups in Blockchain? A Simple Breakdown of Layer 2 Scaling

Rollups are Layer 2 scaling solutions that boost blockchain speed and cut costs by bundling transactions off-chain, then securing them on Ethereum. Two types - ZK and Optimistic - offer different trade-offs in speed, security, and complexity.

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