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Fusaka update: cell proofs to reduce l2 transaction costs

Fusaka Update | Ethereum to Replace Blob Proofs with Cell Proofs for Data Efficiency

By

Lina Bowers

Oct 20, 2025, 07:22 PM

Edited By

Olivia Brown

2 minutes to read

Illustration showing the transition from Blob Proofs to Cell Proofs, highlighting reduced Layer 2 transaction costs and increased data availability.
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A notable shift is underway as Ethereum gears up to replace blob proofs with new cell proofs in a recent update, potentially enhancing data availability and lowering Layer 2 (L2) transaction costs. This development has sparked mixed reactions among the community.

Context and Implications

The change comes as part of the Ethereum Foundation's push to update software for this upgrade. Developers are encouraged to utilize the ComputeCellsAndKZGProofs() method to transition transactions post-fork. This move aims to improve efficiency and data sampling, but real-world impact remains uncertain.

"Switching from blob proofs to cell proofs could actually tighten up DA efficiency if they pull it off right," noted one participant, highlighting the importance of execution in this transition.

Community Reactions

Discussions reveal varied opinions:

  • Some commenters express skepticism about the significance of the change until actual usage is demonstrated.

  • Others are optimistic, seeing potential for reduced transaction fees to stimulate increased adoption.

  • Questions also arise regarding the types of projects utilizing these upgrades and their impact on L2 solutions.

Interestingly, a sentiment echoed in multiple responses is that cheaper transactions are only noteworthy with real adoption levels. As one user commented, "Gotta watch how this plays out on mainnet before calling it a game changer."

Key Insights

  • πŸš€ The Ethereum Foundation urges updates for blob transaction originators to avoid disruptions.

  • ⚑ Improved data availability is a primary goal of the upgrade, enhancing user experience.

  • πŸ’¬ "What real-world projects are relying on these chains?" - questioning ongoing usage and sustainability.

With the update scheduled, many in the community have begun speculating how this will affect L2 transaction dynamics. Will the proposed efficiency gains lead to a significant uptick in Ethereum’s utilization? Only time will tell.

Projections in the Ethereum Landscape

There’s a strong chance that as Ethereum implements cell proofs, we will see a gradual reduction in Layer 2 transaction costs, likely drawing in more participants to the network. Experts estimate that successful adoption could lead to a 20-30% decrease in fees within the next six months. If developers effectively leverage the new method, transaction efficiency may improve significantly, which could result in a more vibrant ecosystem. Such improvements in data handling may also encourage existing projects to innovate on Ethereum, creating a ripple effect across the industry, with some stakeholders predicting a possible surge in user activity by the end of 2025.

Parallels in Historical Shifts

Consider the transition from coal to natural gas in the energy sector during the late 20th century. Initially met with skepticism, the move showcased the hidden benefits that come with adapting new technologies. As natural gas became more prevalent, industries learned not only to utilize its efficiency but to innovate ways that transformed energy consumption patterns entirely. Just like Ethereum’s shift to cell proofs, this past evolution reflects how sometimes, leaps toward efficiency necessitate trust in unseen potential before the broader community can embrace them, paving the road for unexpected gains.