Analysis · Ethereum & L2s
The testnet launch targets a massive increase in the block gas limit to 200 million, alongside the introduction of enshrined proposer-builder separation.
Key point 1 of 3
01
The Glamsterdam upgrade successfully activated on the Sepolia testnet on Oct. 6 at epoch 353,024.
Key point 2 of 3
02
The network update introduces a block gas limit schedule targeting 200 million.
Key point 3 of 3
03
The upgrade integrates proposer-builder separation directly into Ethereum's consensus rules.
Context
Ethereum has historically relied on external middleware to manage block building and faced severe throughput limitations on its base layer.
Why it matters
Node operators and validators must adapt to new protocol-level duties and significantly larger block sizes.
What to watch
Market participants and developers should monitor the Ethereum Foundation for the announcement of the mainnet activation date, which depends on the stability and performance of…
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