O P T I M I S M 🔴✨

zkSync vs Optimism?
part 1

zkSync and Optimism are both Layer 2 scaling solutions for Ethereum, but they differ in their underlying technology and approach to scalability. Here’s a quick comparison:

1. Technology:
zkSync: Uses ZK-Rollups (Zero-Knowledge Rollups). It generates cryptographic proofs (ZK-proofs) to verify the correctness of off-chain transactions on Ethereum.
Optimism: Uses Optimistic Rollups. It assumes transactions are valid by default and relies on a challenge period to detect fraudulent transactions via fraud proofs.

zkSync's ZK-Rollups provide security through cryptographic proofs, while Optimism's Optimistic Rollups assume validity, requiring a challenge period for fraud detection. Understanding these differences is crucial for choosing the right Layer 2 solution for Ethereum scalability.