EIP-4844 Blob Space

Architecture

EIP-4844 introduces a novel data structure, termed “blobs,” designed to mitigate escalating gas costs on Ethereum by providing a separate transaction space for call data. This architectural shift decouples execution from data availability, allowing for a more scalable approach to Layer-2 solutions and rollups. The blob space functions as a temporary storage layer, optimized for large data submissions, and is intended to reduce the cost of posting calldata to the chain. Consequently, this impacts the economic viability of rollups, particularly those employing data availability sampling, by lowering their operational expenditure.