HackMD
On March 13, 2024, at 7:25:35 PM, Ethereum block number 19426587 was published. This block marked the first appearance of the blob_gas_used and excess_blob_gas keys in block headers, indicating that EIP-4844 was now in action.
Impact Analysis
What was going to be changed from then, can be answered best by those who were most excited about it, who were already waiting for it and literally jumped on making use of it.
- So Starknet and zkSync-era were the early adopters.
- Base, Arbitrum and Optimism followed it and represented the majority.
- Linea and Scroll were laggards, becoming significantly visible after 17 days (April 1st) and 46 days (April 29th), respectively.
Top Blob Submitters
Here are the addresses of the top blob submitters, ranked by the number of blob transactions submitted:
| Blob submitters addresses | Name (from etherscan) |
|---|---|
| 0x5050f69a9786f081509234f1a7f4684b5e5b76c9 | Base: Batch sender |
| 0xc1b634853cb333d3ad8663715b08f41a3aec47cc | Arbitrum: Batch submitter |
| 0x6887246668a3b87f54deb3b94ba47a6f63f32985 | Optimism: Batcher |
| 0xa9268341831efa4937537bc3e9eb36dbece83c7e | Linea (probably, unidentified on etherscan) |
| 0xcf2898225ed05be911d3709d9417e86e0b4cfc8f | Scroll: Batch committer |
| 0x0d3250c3d5facb74ac15834096397a3ef790ec99 | zkSync era: Batcher |
| 0x2c169dfe5fbba12957bdd0ba47d9cedbfe260ca7 | Starknet: Operator |
| 0x625726c858dbf78c0125436c943bf4b4be9d9033 | - |
| 0x99199a22125034c808ff20f377d91187e8050f2e | - |
| 0xc70ae19b5feaa5c19f576e621d2bad9771864fe2 | - |
Gas Fee Reduction
Average gas fee before and after dencun upgrade
So, how did it affected rollups? How much reduction in transaction prices it caused effectively?
Average is calculated for two months before dencun upgrade and two months after upgrade -
Before = 13th January 2024 - 12th March 2024 and
After = 14th March 2024 - 13th May 2024
Arbitrum
Optimism
Base
zkRollups
Percentage Change in Average Gas Fee
| Name | Before | After | % change |
|---|---|---|---|
| Arbitrum | 0.318 | 0.035 | -88.9937 % |
| Optimism | 0.549 | 0.092 | -83.2423 % |
| zkSync | 0.219 | 0.042 | -80.8219 % |
| Base | 0.467 | 0.225 | -51.8201 % |
| Scroll | 1.017 | 0.714 | -29.7935 % |
Arbitrum shows the biggest drop in gas fee spent per transaction.
Average Normal gas vs Blob gas used per transaction
There is a downward trend observed from the end of March and beginning of April in average number of blob gas used on daily basis which seems random but can be completely justified looking at average blob gas price during the same period.
Transaction count before and after eip4844
Acknowledgement : Following 4 charts are taken from Dencun Dashboard by @obchakevich_analytics.
Above visualizations confirm that decreased gas fee has positively impacted user engagement and rollups adoption i.e., eip-4844 turns out to be a successful step towards economical scalability.
