- Ethereum’s Fusaka upgrade brings customers faster, more secure, and more cost-effective applications while keeping decentralization intact.
- Among other things, PeerDAS and improvements to cryptography increase data throughput.
Ethereum’s upcoming Fusaka upgrade comes on December 3rd. Fusaka focuses on improving data throughput, reducing costs and optimizing obili usage.
Fusaka introduces data scaling capabilities for near real-time processing. With these changes, Ethereum-based applications are expected to run just as smoothly and quickly as “normal” apps. Mobile wallets are also becoming easier to use and more secure as passkey support is based on the hardware built into the smartphone.
For L2 networks, Fusaka brings PeerDAS (EIP-7594), which enables data validation through sampling. This change increases data throughput by up to eight times. This means lower blob fees for rollups and more scope to scale operations without burdening the base layer.
It is expected that the lower operating costs will be passed on to customers through fee reductions.
3/ Fusaka for rollups & L2s
PeerDAS (EIP-7594) will unlock up to 8x data throughput by validating data via sampling
For rollups, this means cheaper blob fees and more space to grow (plus lower fees for users)
All while keeping the network decentralized
— Ethereum (@ethereum) November 28, 2025
New rules for supernode bandwidth
Fusaka is also improving support for application and DeFi developers. Pre-confirmations reduce transaction confirmation times from minutes to milliseconds.
A new cap per transaction will be introduced, which is 2²⁴. This number was chosen because it is smaller than the full block gas limit, but still large enough to support the use of extensive calculations. Developers using transactions above this threshold must verify compatibility.
The network gas limit is increased from 45 million to 60 million, enabling higher transaction throughput.
New bandwidth requirements apply to supernodes that hold 4,096 ETH or more as part of the Fusaka upgrade. They are necessary because of the higher data throughput, but can be managed with modern infrastructure.
Companies that integrate Ethereum into their systems will gain new compatibility with the company’s existing security standards. Native support for the widely used secp256r1 curve improves alignment with standard enterprise cryptographic systems.
Meanwhile, Ethereum’s native token ETH is trading at $3,002.71 after falling 2.5% in the last few days, while turnover fell to $15.54 billion, down 11.13 and lower market participation.
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