Rollups

Ethereum Raises Blob Limit to 21 in Second BPO Hard Fork

Ethereum’s second BPO hard fork increased the blob limit from 15 to 21, boosting block data capacity to roughly 2.6 MB. The update aims to ease data constraints for rollups and other calldata-heavy applications.

Published at 2026-01-07 09:30:10
Ethereum Boosts Data Capacity With New Scaling Upgrade

Ethereum has activated a scaling upgrade that increases on-chain data capacity, easing pressure on rollups and sharpening the network's scaling roadmap. The change gives immediate relief to Layer 2s while clarifying steps toward larger sharding-era improvements.