Ethereum gas limit increase to 60 million units under the Fusaka upgrade raises throughput capacity and aims to reduce congestion; the proposal must gain support from at least half of validators before activation and is expected to improve base-layer performance by roughly 33%.
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Gas ceiling raised to 60 million units to boost block capacity
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Fusaka test runs start in October; mainnet timing remains flexible
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Expected ~33% base-layer performance gain; validator approval threshold is 50%
Meta description: Ethereum gas limit increase to 60 million under Fusaka aims to cut congestion and boost throughput—read how validators, node operators, and Layer-2s are affected.
What is the Ethereum gas limit increase under Fusaka?
Ethereum gas limit increase is a planned raise of the block gas ceiling to 60 million units under the Fusaka network upgrade. The change is designed to raise base-layer throughput by about 33% and to provide more headroom for Layer-2 scaling solutions while the validator set signals support.
How will the 60 million gas ceiling affect transaction capacity?
The 60 million gas ceiling increases the amount of computation and transactions a single block can carry, easing congestion during demand spikes. Developers estimate roughly a one-third boost to base-layer performance and more than double the effective capacity available to Layer-2 rollups in some scenarios.
| February 2025 | 36,000,000 | Baseline |
| July 2025 | 45,000,000 | Increase |
| Proposed (Fusaka) | 60,000,000 | Major increase |
Why are developers pushing the gas limit increase now?
Front-loaded demand and Layer-2 adoption are primary drivers. Developers want to expand throughput gradually to reduce user friction and improve experience without changing consensus fundamentals. Public commentary from stakeholders—Gaslimits, Everstake, and researcher Christine Kim—supports a measured approach to capacity increases.
Who must approve the gas ceiling change?
Validator support is required: under current consensus rules at least 50% of the validator set must signal acceptance for the new threshold to activate. As of the latest check, about 17% have signaled in favor, indicating adoption momentum but not yet majority approval.
What are the technical and decentralization risks?
Larger blocks increase storage and bandwidth demands on full nodes. Critics warn that faster increases could raise the cost of running a node and favor well-resourced validators, potentially weakening decentralization. Node hardware and operational metrics must be monitored to avoid unintended centralization pressure.
How can node operators and validators prepare?
Recommended preparations:
- Audit and, if necessary, upgrade hardware and networking to handle higher throughput.
- Run Fusaka testnets when they are available (test runs scheduled for October) to validate performance and sync times.
- Coordinate with client teams to ensure software compatibility and resource planning.
Frequently Asked Questions
What is the validator threshold to activate the new gas ceiling?
Activation requires support from at least 50% of the validator set under Ethereum’s consensus rules. Roughly 17% have signaled support so far, so majority adoption is not yet secured.
When will Fusaka reach mainnet?
Test runs are scheduled to begin in October. Although developers initially targeted December, mainnet timing is flexible and depends on testnet results and validator signaling.
Key Takeaways
- Capacity increase: Fusaka proposes a 60M gas ceiling to raise throughput by ~33%.
- Validator approval required: At least 50% of validators must signal in favor before activation.
- Trade-offs: Benefits include lower congestion; risks include higher node resource demands and potential centralization pressure.
Conclusion
The Ethereum gas limit increase under Fusaka aims to balance scaling and decentralization by raising the block gas ceiling to 60 million units while keeping changes incremental. Validator support, node readiness, and Layer-2 interactions will determine whether the upgrade delivers smoother transaction flows or introduces new participation costs. COINOTAG will monitor testnet progress and validator signaling closely.
Author: Alexander Zdravkov — Reporter, COINOTAG
Published: 27 September 2025 | 12:04
Sources cited (plain text): Gaslimits, Everstake, Christine Kim (former Galaxy Digital researcher), Vitalik Buterin commentary
