Toni Wahrstätter, a researcher at the Ethereum Foundation, has called for patience in addressing Ethereum’s block gas limit expansion, citing technical challenges in a Dec. 9 You can post a comment below..
This discussion is occurring as Ethereum debates the raising of the gas limit. A change like this could improve network capacity, but it also poses risks for stability and security.
Wahrstätter highlighted constraints tied to consensus layer (CL) client specifications, which make surpassing the current 36 million gas threshold infeasible without significant protocol upgrades.
Above the 36 Million threshold
Ethereum’s CL specifications enforce a 10 mebibytes (MiB) maximum uncompressed block size for efficient gossip propagation across the network. The restriction ensures that block propagation is maintained without any delays or instability.
The proposed limit of 60 millions gas per block will breach the current limit and cause propagation problems, validator slots to be missed, as well as possible network destabilization.
While restrictive, these limitations aim to minimize risks like denial-of service (DoS), as large blocks can overwhelm nodes on the network and expose vulnerabilities.
As long as the block size is less than 36 million gallons, it will not exceed acceptable limits for gossip. This ensures smooth propagation of consensus and stability. Overcoming this threshold can lead to valid blocks not propagating, disrupting validators, and decreasing network efficiency.
Further complicating the issue is the lack of data regarding network performance when gas limit increases. Core developers emphasize the need for a cautious approach to avoid undermining Ethereum’s security and reliability.
Parithosh Jayanthi, a member of the Ethereum Foundation’s ethPandaOps unit, In a similar vein, the developers are urged to put testing and collecting data first to determine the potential tradeoffs associated with higher gas restrictions.
Pectra offers a path for higher gas limitations
Ethereum developers have been working on the Pectra2 network upgrade in order to overcome these issues. The hard fork contains two proposals that are critical to laying the foundation for higher gas limitations.
Ethereum Improvement Proposal (EIP) 7623 is a proposal that reduces the worst-case size of blocks by mitigating DoS and increasing capacity in a safer manner.
EIP-7691 is the second, and it increases the number of blobs that can be stored and transmitted per block. It provides data empirically on the performance of the network under increased storage and propagation requirements. Blobs, or block spaces for receiving data from layer-2 chains are a special type of space.
Pectra 2 can provide valuable insights by implementing the changes. It will show how well it is able to manage larger blocks without compromising stability.
Ethereum, Cryptography, Featured Articles, Technology The Author 
Gino Matos
Gino is a journalist and law graduate with 6 years’ experience. He focuses his expertise on Brazilian blockchain and the developments of decentralized finance.
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Assad Jafri
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