Optimistic Rollups

A part of the Ethereum network and are a Layer 2 (L2) scaling solution designed to improve the scalability, efficiency, and cost-effectiveness of blockchain networks.

What You Need To Know

They achieve this by processing transactions off-chain and submitting them to the main blockchain (Layer 1) in batches, significantly reducing congestion and transaction fees. Seen as a simpler implementation than the optimization of the ZK Rollup Layer 2 solution.