Vitalik Buterin has a new proposal to reduce gas fees for Layer 2 scaling options

  • The new EIP-4488, co-written by Vitalik Buterin, is seeking to bring down gas fees for Layer 2 scaling options, but is a temporary solution. 
  • It will achieve this by reducing transaction calldata cost and capping the total transaction calldata in a block.

Ethereum’s high transaction costs have been well-documented, and have been a key factor in the rise of Ethereum killers. One of the solutions that seemed to be working was the Layer 2 scaling options that leverage Ethereum’s security but cut down on costs. Even these have become increasingly expensive in recent months, however. Vitalik Buterin has come up with a new proposal that is seeking to keep the gas fees for L2s low, but it can only be temporary.

EIP-4488 – Vitalik Buterin’s short-term fix

In his new Ethereum Improvement Proposal (EIP) 4488, Buterin recognizes that while the Layer 2 solutions have lowered the costs by a great margin, they are still not low enough for mass adoption.

“Hence, a short-term solution to further cut costs for rollups, and to incentivize an ecosystem-wide transition to a rollup-centric Ethereum, is desired,” he noted.

Layer 2 scaling options for Ethereum, such as Polygon, mainly rely on either Optimistic Rollups or zero-knowledge (ZK)-Rollups. Together with sharding, they are the primary method that Ethereum 2.0 will leverage to scale.

Related: Ethereum founder Vitalik Buterin strongly supports Layer 2 solutions for scaling

Optimism family of rollups lowers fees on Ethereum by 3-8x, while ZK-Rollups, which have better data compression and can avoid including signatures, have fees 40-100x lower than the base layer.

Though much lower, these fees are still way too expensive for many users, Buterin acknowledges. In the long term, sharding will solve this challenge.

“However, data sharding will still take a considerable amount of time to finish implementing and deploying. Hence, a short-term solution to further cut costs for rollups, and to incentivize an ecosystem-wide transition to a rollup-centric Ethereum, is desired,” he noted.

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EIP-4488 will provide a solution by decreasing the calldata gas cost. This is the compressed transaction data component from rollups running at scale once it’s committed to the main Ethereum chain.

Decreasing the calldata gas cost by itself would present a new security concern. It would, in turn, increase the maximum block size from about 1.9 MB to 10 MB. “This would push the Ethereum p2p networking layer to unprecedented levels of strain and risk breaking the network,” Buterin notes.

As such, just decreasing the calldata gas cost won’t do. EIP-4488 solves this by adding a limit for the total transaction calldata that can be in a block.

The proposal would be a backward-compatible gas repricing that would require a scheduled network upgrade.

Ethereum users wouldn’t be affected and would continue to operate without any changes. The miners, as well, would continue to operate unaffected. But they will now have to adhere to a new rule that bars them from adding new transactions to a block when the total calldata size reaches the maximum.

Also Read: Time Magazine: Vitalik Buterin is one of the most influential people of 2021

About Author

Steve has been a blockchain writer for four years, and a crypto enthusiast for even longer. He is most excited by the application of blockchain to solve the challenges facing developing nations.

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