Ethereum scalability was boosted on Wednesday with the second Blob Parameter-Solely onerous fork, elevating the blob restrict from 15 to 21, the primary of many enhancements aimed toward scaling the Ethereum ecosystem in 2026.
The second BPO onerous fork, which took impact on Wednesday at 1:01:11 UTC, additional will increase Ethereum’s knowledge throughput by permitting extra transactions to be batched by way of rollups.
The BPO onerous fork additionally raised the blob goal from 10 to 14, which is extensively seen because the extra essential metric to look at, as persistently approaching the 21-blob restrict might overload node bandwidth and storage.
One blob unit matches 128 kilobytes of information, that means Ethereum can now retailer as much as 2,688 KB in a single block.

Supply: Terence Chan
Blobs assist hold Ethereum mainnet regular
Whereas blobs enhance transaction throughput on Ethereum layer 2s, in addition they assist stabilize fuel charges on the Ethereum mainnet because the community turns into much less congested.
YCharts knowledge reveals that Ethereum transaction charges have been much more steady for the reason that first BPO onerous fork on Dec. 9, 2025.

Change in Ethereum charges during the last 12 months. Supply: YCharts
Fuel restrict elevate additionally on the radar
Individuals within the Ethereum All Core Builders assembly on Dec. 15 additionally mentioned the concept of elevating the community fuel restrict from 60 million to 80 million as soon as the second BPO onerous fork was applied.
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Doing that will straight improve the variety of transactions and good contract operations that may slot in every Ethereum block — additional boosting total throughput whereas probably decreasing charges.
Glamsterdam onerous fork can also be centered on scalability
Later in 2026, the Glamsterdam onerous fork will enable the fuel restrict to ratchet as much as 200 million and introduce “good parallel processing.”
Good parallel processing will turn into possible on Ethereum by means of Block Entry Lists underneath Ethereum Enchancment Proposal-7928, which seeks to remodel Ethereum’s single-lane mode of transaction processing right into a multi-lane freeway, additional rising transaction throughput.
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