A comprehensive guide to optimistic rollups explaining how they scale Ethereum. Learn about the technology, compare arbitrum vs optimism, and understand the current market status as of 2026.
Layer 2 solutions solve blockchain scalability issues by processing transactions off-chain. They slash fees from $50 to pennies while boosting speed. This article explains how rollups, state channels, and sidechains work, their pros/cons, and real-world use cases.