Ethereum Completes Final Phase of the Fusaka Upgrade

Ethereum developers have finished the final stage of the Fusaka upgrade, marking another step in the network’s steady growth.

This update improves how Ethereum handles data and shows that the network can make focused changes without waiting for big, rare upgrades. By releasing updates in small batches, Ethereum can keep growing while staying stable and reliable.

Ethereum Uses Smaller Updates to Improve Data Handling

As part of the Fusaka upgrade, Ethereum activated the second Blob Parameters Only update. This kind of update lets developers change specific settings, like data capacity, without touching the core system.

Instead of waiting for one big upgrade each year, Ethereum can now make smaller updates more often with lower risk. This makes it easier to test changes step by step and keep up with rising demand.

Many Fusaka upgrades focused on improving how Ethereum handles data. One key change was an upgrade to PeerDAS. 

PeerDAS plays a major role by letting Ethereum process large amounts of data without requiring every node to store or handle it all. This raises the network’s bandwidth while keeping the network decentralized.

Ethereum Expands Data Capacity Through Incremental Blob Updates

Blobs were first introduced in the 2024 Dencun upgrade. They are large but temporary data containers used mainly by Layer 2 networks to store batches of transactions on Ethereum at a lower cost. 

These data containers remain on the network for about 18 days before they are permanently removed. By using blobs, Layer 2 solutions can operate more efficiently while still relying on Ethereum for security.

The Blob Parameters Only mechanism also allows Ethereum to increase blob limits step by step. The first update went live in early December and increased the target number of blobs per block from 6 to 10. 

It also increased the maximum limit from 9 to 15. The latest update goes further by raising the target to 14 blobs per block and the maximum to 21. This slow increase helps the network handle more data without putting too much pressure on it at once.

These upgrades support Ethereum’s long-term goals for better scalability, security, and decentralization.

More Data Space Helps Ethereum Scale Smoothly

Increasing the number of blobs per block directly improves data availability for Layer 2 networks. With more space to store transaction data, rollups can operate at lower costs. 

This helps keep transaction fees on Layer 2 platforms affordable even as usage grows. Over time, this approach supports steady and sustainable scaling. It helps the Ethereum blockchain meet rising demand without losing efficiency or security.

The completion of the final Fusaka upgrade strengthened Ethereum’s role as a foundation for scalable blockchain applications and a growing Layer 2 ecosystem.