On January 7, Ethereum developers activated the Blob Parameter-Only (BPO) fork on the mainnet. The update raised the maximum number of BLOB objects per block from 15 to 21, and also increased the target BLOB value from 10 to 14.
How much data can fit in a block now
One BLOB object can hold 128 KB of data. That means, at the maximum allowed limit, an Ethereum block can now include up to 2688 KB of BLOB data (21 × 128 KB). In practice, this helps process more activity in parallel and improves overall network efficiency, without creating an immediate risk of overload—the parameters were increased gradually and with network balance in mind.
Why it matters for scaling
Expanding BLOB limits is part of Ethereum’s broader effort to increase throughput for rollups and other layer-2 solutions. BLOB data lets L2 networks publish information to the mainnet more efficiently, which can help speed up processing and reduce costs for users.
There’s also an important side effect for base-layer fees: BLOB objects have already shown that they can help keep transaction costs more stable.
The second expansion since Fusaka
This BPO fork became the second BLOB limit increase since the activation of the Fusaka upgrade. The previous BPO was implemented on December 9, 2025, and the latest update continues the same approach—steady capacity growth without sudden jumps.
Other network signals: staking withdrawals and activity
Almost in parallel with the update, on January 6, the Ethereum staking withdrawal queue dropped to zero. Later, the metric slightly rebounded: at the time of writing, the waiting time to unlock coins is around one hour.
Earlier, on December 30, Ethereum set a new activity record: 2.2 million transfers processed in a single day, highlighting growing demand and the importance of capacity improvements.
Bottom line
Raising the BLOB limits is another step toward better Ethereum scalability, primarily by supporting the layer-2 ecosystem. The network gains more space for rollup data, improved stability during high activity, and additional potential for more consistent fees.
