The Cancun upgrade, including the implementation of EIP-4844, introduced significant changes to Ethereum's network, dramatically reducing gas fees for Layer 2 solutions like Starknet. This article explores the key reasons behind this reduction, including the differences in data availability (DA) requirements between Optimistic and ZK Rollups, the impact of the SHARP system, and the role of EIP-4844's blob mechanism.Key InsightsEIP-4844 and Blob Storage:EIP-4844, also known as "proto...