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ETH Ethereum is advancing the Glamsburg upgrade at the Sepolia testnet, raising its block Gas limit target to 200 million
Ethereum is testing one of the largest Layer-1 expansion initiatives in its history. As the "Glamstam" upgrade gradually progresses on the Sepolia test network, the Gas limit target for blocks has been set at 200 million. The test more than tripled Sepolia's previous cap of approximately 60 million Gas and is designed to allow developers to assess whether Ethereum validators can safely process significantly larger blocks without incurring excessive hardware or verification burdens.
What needs to be clear is that this does not mean that the Ethereum main network will immediately increase the Gas limit to 200 million. Instead, developers are using the Sepolia testnet to explore the expanding boundaries of Layer-1 capacity to ensure network expansion does not impose excessive technical requirements.
Capacity more than tripled: Gas and block processing efficiency
"Gas" represents the amount of computing effort required to execute transactions and smart contracts on Ethereum. Increasing the block Gas cap means that each block can accommodate more token conversions, stablecoin transfers, and smart contract interactions before users start competing fiercely for available space.
Although Ethereum has gradually increased the Gas cap before, the jump from 60 million to 200 million on the Sepolia test network is undoubtedly a more radical experimental test. The move aims to support Ethereum's own expansion while maintaining its broader Layer-2 (Layer 2 network) expansion strategy.
Glamstam upgrades changes Ethereum block processing architecture
The Glamsburg upgrade introduces a number of architectural changes designed to support higher throughput. One of the key improvements is "block-level access lists", which allow nodes to know in advance which accounts and storage locations the block will use before execution. This mechanism makes it possible to process independent transactions in parallel, replacing the previous model where all operations had to be performed sequentially.
Another major feature ofis the "institutionalized proposer-builder separation"(ePBS). This function directly incorporates more links in the Ethereum block construction process into the protocol layer, further improving the standardization of the network.
In early testing, Nethermind's team conducted 2,302 performance tests and processed a transaction volume of 570.7 billion Gas in just over three minutes. These tests help developers assess the effectiveness of new designs in heavier load environments.
These improvements are a core component of Ethereum's broader expansion roadmap. As blockchain activity grows in areas such as payments, decentralized finance (DeFi), and tokenized assets, such technological upgrades are critical to ensuring the efficient operation of the network.
