Learn about the economic dynamics of operating optimistic and zk rollups in the Ethereum ecosystem through this technical talk that delves into Layer 2 scaling solutions. Explore comprehensive analysis covering rollup economics, revenue models, and the impact of EIP 4844. Examine various aspects including Validium, Stage Zero implementation, decentralization considerations, and profitability metrics of rollups. Compare ZK rollups with EVM compatibility while understanding the methodology behind Layer 2 scaling solutions. Gain insights into the current state of rollup adoption, their competitive advantages, and future implications for the Ethereum network through detailed slides and expert analysis.