Proto-Danksharding
Ethereum ScalingUpdated: October 15, 2025
Also known as: EIP-4844, Blob Transactions
Ethereum upgrade introducing data blobs for cheaper Layer 2 transactions
Ethereum upgrade introducing data blobs for cheaper Layer 2 transactions.
Proto-Danksharding (EIP-4844) is a stepping stone toward full danksharding. It introduces "blob-carrying transactions" that temporarily store large amounts of data, dramatically reducing costs for Layer 2 rollups while improving data availability.