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Ethereum is trading just below $2,500 resistance as developers advance a key rehearsal for the Glamsterdam upgrade. Test blocks continued to finalize under new block-building rules ahead of a proposed Oct. 6 deployment on the Sepolia public testnet. The testnet gas limit also jumped from 60 million to 200 million, a nearly 3.3x increase in per-block capacity.
Why it matters
The capacity increase is designed to help Ethereum handle heavier demand with fewer fee spikes during events such as token launches and DeFi liquidations. Nethermind's client processed 570.7 billion gas across 2,302 tests in three minutes and 15 seconds, or 2.9 billion gas per second.
The rehearsal also tested block-level access lists, which let nodes pre-fetch data instead of processing everything sequentially. That can improve execution efficiency, but the larger blocks raise the workload for node operators. Glamsterdam's benefit therefore depends on capacity gains being matched by reliable network participation.
Market impact
ETH has remained in a consolidation band, with recent daily closes between $2,446 and $2,488. The $2,493 to $2,508 resistance shelf remains the immediate technical test. A clean break could open a path toward $2,550 and then the $2,723 to $2,822 supply zone, which would support the broader $2,800 target.
A continued range between $2,440 and $2,508 would keep the market waiting for firmer Glamsterdam dates and further test results. A break below the $2,378 to $2,403 support band would weaken the near-term structure and expose $2,300.
Frequently asked questions
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What changed in Ethereum's Glamsterdam testnet rehearsal?
The Sepolia gas limit rose from 60 million to 200 million, while test blocks continued finalizing under new block-building rules.
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How could the higher gas limit affect Ethereum users?
More per-block capacity could reduce fee spikes during high-demand periods such as token launches and DeFi liquidation cascades.
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What did Nethermind process during the Glamsterdam tests?
Nethermind processed 570.7 billion gas across 2,302 tests in three minutes and 15 seconds, equal to 2.9 billion gas per second.
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What are the key ETH price levels after the upgrade rehearsal?
ETH faces resistance at $2,493 to $2,508. A break could open $2,550 and the $2,723 to $2,822 supply zone, while support sits at $2,378 to $2,403.
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What is the proposed date for Glamsterdam's Sepolia deployment?
The proposed deployment date is Oct. 6 on the Sepolia public testnet. The date is tied to the testnet rollout, not a confirmed Ethereum mainnet launch.
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