Ethereum is testing how much cheaper block space it can safely create
Published
Ethereum’s Sepolia testnet has activated Glamsterdam with an optional 200 million gas limit, putting a much larger block-capacity setting into a public test. The change is part of a broader effort to examine how much cheaper block space Ethereum can safely create before any mainnet decision.
What this rests on
What it means
Users and node operators notice this through a testnet change that raises the block-capacity setting on Sepolia. The setup invites attention from anyone watching Ethereum’s throughput and from anyone running infrastructure that would need to handle the larger limit, with decentralization and node performance named as the pressure points.
In practice, Sepolia is now a place where a 200 million gas limit can be exercised under Glamsterdam, rather than only discussed. What stays the same is that it is still a public test before any mainnet decision, so the network has not yet moved that capacity to production.
Market reaction
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Crypto Briefing
context
Has this happened before?
| When | What happened | Figure |
|---|---|---|
| 18 days ago | ‘No indication that MetaMask wallets were affected’ – Joseph Lubin reassures users event | 1 actors in common · 2 news media |