Tech & Layer 2

Understanding Layer 2s: How Ethereum Achieves Scalability

A deep-dalliance guide to Layer 2 (L2) scalability on Ethereum. We dissect the theory, contrast Optimistic and ZK rollups, explore data availability and blob-based data posting (EIP-4844), and walk through a practical step-by-step execution on an L2. Balanced by two credible viewpoints, with actionable insights for developers and builders in the US crypto ecosystem.