Points of Focus  

• Final BPO-2 fork activates, raising blob targets to 14 and max to 21.  
• Completes Fusaka upgrade cycle for lower L2 data costs and fees.  
• Gas limit to 80M post-fork; 180M target by end-2026.

Ethereum developers activated the second and final “Blob Parameters Only” (BPO-2) fork on January 7, 2026, completing the Fusaka upgrade cycle that began in early December 2025 and significantly increasing the network’s data availability for Layer 2 rollups.

The second Blob Parameters Only (BPO) fork happened today.

BPO #2 was the next scheduled step in the Fusaka upgrade cycle to scale Ethereum’s data capacity.

Here’s what you need to know about BPO #2, and why these parameter adjustments matter.

— Ethereum (@ethereum) January 7, 2026

The BPO mechanism, introduced as part of Fusaka, allows Ethereum to adjust blob targets independently of full hard forks, enabling gradual capacity increases. The first BPO fork on December 6, 2026 raised the target blobs per block from 6 to 10 and the maximum from 9 to 15. BPO-2 pushes the target to 14 and the maximum to 21, providing more space for rollups to post compressed transaction batches cheaply. This reduces data costs for Layer 2 networks, helping keep user transaction fees low even as activity grows.

JUST IN: ✅ Ethereum BPO2 scaling upgrade successfully boosted max blobs to 21

Ethereum is scaling. 🚀

— Leo Lanza | ETHisDigitalOil.eth (@l3olanza) January 7, 2026

“Ethereum ecosystem throughput has reached an all-time high, currently on track for approximately 58.9 million gas per second this month.” Joseph Young wrote on X. Growthpie also wrote: 

ethereum ecosystem throughput is at an ALL-TIME HIGH.

on pace for ~58.9 Mgas/s this month.

it shows ethereum is scaling EXACTLY as intended:

> keep L1 trustless, secure, and decentralized
> executions by rollups
> scale data availability over block size

believe in somETHing. pic.twitter.com/BTKn0yX9Qm

— Joseph Young (@iamjosephyoung) January 7, 2026

While Base remains the largest consumer of Ethereum DA, we are seeing a rise in the long tail of blob consumers.

Past 7 days:

▸ Base = 44.31%

▸ Worldchain = 17.27% 

▸ Others = 17.24%

Others consist of 25 DA consumers out of 32 in total.”

While Base remains the largest consumer of Ethereum DA, we are seeing a rise in the long tail of blob consumers.

Past 7 days:
▸ Base = 44.31%
▸ Worldchain = 17.27%
▸ *Others = 17.24%
*Others consist of 25 DA consumers out of 32 in total. https://t.co/PFK4LrSHDC pic.twitter.com/P7YxAiMwV5

— growthepie 🥧📏 (@growthepie_eth) January 7, 2026

Another X account, @TheBookofEth wrote: 

“BPO #2 is a reminder that Ethereum doesn’t wait for hype cycles to improve. It ships measured capacity, lowers rollup costs, and protects decentralization while demand grows.More blobs → cheaper L2s → real users onboarded. No drama. No forks for marketing. Just stewardship.”

This is how real scaling happens – quietly, deliberately, and without breaking trust.

BPO #2 is a reminder that Ethereum doesn't wait for hype cycles to improve. It ships measured capacity, lowers rollup costs, and protects decentralization while demand grows.

More blobs →…

— The Book of Ethereum 📘 (@Bookof_Eth) January 7, 2026

Blobs, first introduced in the 2024 Dencun upgrade, are temporary data packets used by rollups to anchor their transactions to Ethereum’s mainnet with 18-day availability before permanent deletion. Fusaka’s 13 Ethereum Improvement Proposals, including PeerDAS for efficient blob sampling, built on this foundation to optimize scalability without disrupting node operators.

The upgrade fits Ethereum’s new twice-yearly cadence established in 2025 with Pectra and Fusaka, contrasting with earlier multi-year cycles. Glasterdam and Hegota are billed to be held in 2026, as developers plan to raise the gas limit to 80 million after the January 7 fork, targeting 180 million by year-end 2026.

Ethereum traded at $3,118.18 on January 7, 2026, down 4.08% in the last 24 hours.