qerranews 
Fusaka Fork Readiness Confirmed
Ethereum’s next major upgrade, the Fusaka fork, has officially debuted on its final testnet, Hoodi, marking a key milestone before its Dec. 3 mainnet launch. The upgrade, which aims to strengthen scalability and security, passed its final technical validation this week.
“Another smooth upgrade, another key milestone on the road to Fusaka,” Ethereum client developer Nethermind posted on X, confirming the successful completion of the testnet deployment. The achievement signals that the Ethereum developer community is on track to roll out its next big network transformation.
Key EIPs in Update
The Fusaka upgrade will implement several Ethereum Improvement Proposals (EIPs) designed to improve efficiency and throughput across the blockchain.
Among them, EIP-7594, also known as Peer Data Availability Sampling (PeerDAS), will allow validators to read smaller data fragments from layer 2 networks rather than full data blobs. This change reduces computational load and improves node performance, a crucial advancement for Ethereum scalability as network activity continues to rise.
Two additional proposals — EIP-7825 and EIP-7935 — aim to raise the gas limit and enhance processing efficiency, paving the way for parallel execution, which will enable multiple smart contracts to run simultaneously. Other EIPs in the Fusaka bundle target improved zero-knowledge rollup performance, another cornerstone of Ethereum’s scaling roadmap.
Together, these upgrades will help Ethereum move toward higher throughput while maintaining its hallmark security and decentralization.
Three-Stage Rollout Plan
According to core developers, the Fusaka fork will roll out in three phases.
- Mainnet Activation: The first stage will mark the official launch of the Fusaka upgrade on Ethereum’s mainnet.
- Blob Capacity Increase: The second stage will implement the EIP expanding blob data capacity, enabling smoother data handling.
- Second Blob Hard Fork: The third and final phase will finalize the extended blob capacity, completing the Fusaka rollout sequence.
This structured rollout ensures that the network can transition safely and steadily without disrupting ongoing activity or validator performance.
Following the Fusaka implementation, developers will shift focus to the Glamsterdam upgrade, another major component of Ethereum’s “Surge” phase. The Surge roadmap segment is centered on scalability — optimizing how efficiently Ethereum can process vast transaction volumes while keeping fees manageable.
Scalability at Core
Ethereum’s Fusaka upgrade directly tackles one of the toughest challenges in blockchain technology: the blockchain trilemma — the balance between scalability, security, and decentralization.
While Ethereum has historically prioritized decentralization and security, this update strengthens the scalability side of that equation. The new architecture will allow faster transaction processing, reduced validator workload, and better support for layer 2 solutions like Arbitrum, Optimism, and Base.
By addressing network bottlenecks, Fusaka positions Ethereum to remain competitive against faster layer 1 blockchains such as Solana, Aptos, and Sui, all of which have prioritized throughput and speed in their base design.
Leadership and Market Context
The technical milestone comes amid internal changes at the Ethereum Foundation, where several senior developers have recently departed, citing disagreements over governance and direction. Despite these shifts, the network’s long-term roadmap remains on schedule.
Meanwhile, Ether (ETH) has continued its strong 2025 performance, trading above $4,000 amid increasing institutional inflows through newly launched Ethereum ETFs and rising corporate treasury adoption. Market sentiment suggests that successful execution of the Fusaka mainnet launch could further bolster confidence in Ethereum’s growth trajectory.
Looking Ahead
Once Fusaka is fully deployed, Ethereum will be better positioned to support high-performance decentralized applications (dApps), DeFi protocols, and enterprise blockchain solutions requiring scalable infrastructure. The improvements to data handling, gas limits, and parallel execution lay the foundation for Ethereum’s long-term plan to handle tens of thousands of transactions per second without compromising decentralization.
As Ethereum moves closer to its Glamsterdam upgrade, the network’s focus remains clear — to solidify its place as the world’s most secure, decentralized, and scalable blockchain.
Final Word:
The Fusaka fork represents more than a technical upgrade; it’s a signal that Ethereum’s development roadmap is maturing. By reinforcing scalability while maintaining security and decentralization, Ethereum continues to set the pace for blockchain innovation — ensuring that its ecosystem remains the foundation of Web3’s future.