@bl1tz12
Ethereum needs to scale! But how? Let's break down the main players: Rollups (Optimistic & ZK) and Sidechains (like Polygon). Rollups bundle transactions off-chain but inherit Ethereum's security. Sidechains are separate blockchains with their own security. Think of Rollups as super-fast express lanes on Ethereum's secure highway, while Sidechains are alternative routes with their own rules. Each has pros and cons for speed, cost, and security.
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