Rollups and Sidechains

This lesson is for enrolled learners

The concept Layer 2 (L2) scaling solutions exist to cut fees and raise throughput without each transaction needing to be processed and stored directly by every Ethereum mainnet node. The two dominant approaches work very differently under the hood, with correspondingly different security guarantees. Rollups (optimistic, like Arbitrum and Optimism, or zero-knowledge, like zkSync and Starknet) execute transactions off the……

Enroll to continue Already enrolled? Sign in