Ethereum is gearing up for a significant transformation with its upcoming Fusaka upgrade, slated for December. This highly anticipated update could redefine user interaction with the blockchain, significantly lowering costs and boosting efficiency. Asset manager VanEck has weighed in, highlighting how this could be a game-changer for the Ethereum network.
Why Fusaka Matters
The Fusaka upgrade centers around a novel technique called Peer Data Availability Sampling (PeerDAS). This innovative approach allows Ethereum validators to verify blocks without downloading the entire transaction data. Instead, they sample smaller pieces, drastically reducing bandwidth and storage demands. This efficiency paves the way for safely increasing Ethereum’s “blob” capacity—the data slots used by rollups—without overburdening the network.
Reducing these demands is crucial as Ethereum continues to grow. Earlier this year, developers had already doubled the blob limits, yet the demand keeps rising. Platforms like Coinbase’s Base and Worldcoin’s World Chain now contribute approximately 60% of all rollup data, underscoring the pivotal role of Layer 2 (L2) solutions in Ethereum’s expansion. With Fusaka, the expectation is to further expand capacity, thereby cutting costs for rollups and, consequently, making transactions more affordable for users.
Implications for Ethereum and ETH
VanEck’s analysis of Fusaka suggests a paradigm shift in Ethereum’s economic model. Historically, Ethereum has been driven by base layer fees. However, as activity increasingly shifts to rollups, the mainnet fee revenue has seen a decline. This isn’t necessarily a setback for Ethereum; instead, it emphasizes Ethereum’s evolving role. With rollups taking center stage, Ethereum’s importance as a secure settlement layer is amplified, reinforcing ETH’s status as a monetary asset beyond just a fee generator.
However, there are potential challenges on the horizon. VanEck analysts caution that unstaked ETH holders might face dilution risks. As institutional entities, including exchange-traded products and crypto treasury firms, continue to amass ETH for staking, these holders could see their influence wane. Yet, in this context, Fusaka strengthens Ethereum’s attractiveness by lowering costs associated with L2 solutions and further embedding its centrality in a scaling ecosystem poised to attract more institutional adoption.
Balancing Optimism with Realism
While Fusaka presents exciting prospects, it’s essential to balance enthusiasm with a dose of realism. VanEck acknowledges that technical hurdles remain. The implementation of PeerDAS and the expansion of blob capacity are not without their challenges. Each upgrade carries inherent risks and complexities that require meticulous planning and execution. The Ethereum community and developers will need to address these challenges to ensure a smooth transition.
Despite these hurdles, Fusaka is seen as a pivotal step in Ethereum’s rollup-centric roadmap. The upgrade is expected to have “significant implications” for both users and long-term holders. By enhancing scalability and reducing costs, Fusaka aligns with Ethereum’s broader vision—creating a more inclusive and efficient blockchain ecosystem.
Looking Ahead
As Ethereum prepares for Fusaka, stakeholders across the crypto landscape are watching closely. The potential to reshape transaction economics and further integrate L2 solutions into the network could solidify Ethereum’s position as a leader in blockchain innovation.
For users, the promise of lower costs and greater efficiency is a compelling incentive. For institutional investors, the robust security and scalability enhancements could make Ethereum an even more attractive proposition. As the December launch approaches, the crypto world eagerly anticipates how this upgrade will unfold and what it will ultimately mean for Ethereum’s future.
In summary, the Fusaka upgrade represents more than just a technical enhancement. It’s a strategic move that could redefine Ethereum’s role in the blockchain ecosystem, offering both opportunities and challenges. As VanEck suggests, while the road ahead is not without its obstacles, the potential rewards could be substantial, marking a new chapter in Ethereum’s ongoing evolution.

Steve Gregory is a lawyer in the United States who specializes in licensing for cryptocurrency companies and products. Steve began his career as an attorney in 2015 but made the switch to working in cryptocurrency full time shortly after joining the original team at Gemini Trust Company, an early cryptocurrency exchange based in New York City. Steve then joined CEX.io and was able to launch their regulated US-based cryptocurrency. Steve then went on to become the CEO at currency.com when he ran for four years and was able to lead currency.com to being fully acquired in 2025.


