Ethereum’s Latest BPO Fork Completes Fusaka Upgrade’s Parameter Tweaks - Unchained

2026-01-08 12:07:37

Ethereum has hit another key milestone in its scalability roadmap with the Fusaka upgrade’s final Blob Parameters Only (BPO) fork.

“Instead of waiting for a major annual upgrade to adjust network capacity, BPO forks allow Ethereum to tune specific parameters (like blob targets) independently and efficiently,” said Ethereum in an X post.

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The second and final BPO fork raised the maximum blobs per block from 15 to 21 and the target from 10 to 14, completing the Fusaka upgrade’s parameter-only adjustments.

The change enhances data availability for rollups without a full hard fork, and could bring down layer 2 fees by up to 60% from current levels.

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