The Certified Crypto Market blog
Crypto, explained.
Scams, exposed.
Plain-English guides to protect your money: how to research a project, spot a scam, store coins safely and understand every major cryptocurrency.
3 articles for “ethereum scaling” · clear
Rollups Explained: Optimistic vs Zero-Knowledge
Rollups run transactions off the main chain and post data back to it. Learn how optimistic and zero-knowledge rollups differ, and the risks that remain.
Oct 11, 2026 · 5 min read
What Are Layer 1 and Layer 2 Blockchains?
Layer 1 vs layer 2 explained: what base blockchains and scaling networks are, how rollups work, the trade-offs in security and fees, and the risks to watch.
Oct 10, 2026 · 5 min read
Polygon vs Arbitrum: Key Differences Explained
Polygon vs Arbitrum compared: sidechain vs optimistic rollup security, POL vs ARB token use, fees, supply design and risks, in a clear side-by-side guide.
Oct 4, 2026 · 5 min read