<ul><li>Optimistic Rollups and Zero-Knowledge Rollups are two main types of rollup technologies used for blockchain scalability.</li><li>Optimistic Rollups have similar execution models to EVM, lower transaction costs, and a challenge period of approximately one week for transaction finalization.</li><li>Zero-Knowledge Rollups offer fast transaction finality, robust security through cryptographic proofs, but require higher complexity and cost for implementation.</li><li>The choice between the two depends on factors like cost-efficiency, development ease, transaction finality, security priority, and scalability needs.</li></ul>

Optimistic Rollups vs Zero-Knowledge Rollups: A Comparative Guide

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