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Comparison of Gas Usage for Safe 4337 Accounts on Arbitrum and Optimism

Over the past few weeks, I have been conducting an experiment to compare the gas usage of creating a Safe 4337 account on the Arbitrum and Optimism blockchain networks. The results were surprising, as the gas costs differed significantly between the two platforms.

Experiment

To create a Safe 4337 account, I used the Safe 4337 wallet protocol, which allows users to interact with various contracts without revealing their private keys. I then created Arbitrum and Optimism accounts on my computer and deployed a simple contract that created an account with a balance of one Ether (ETH). The deployment process was identical on both platforms.

Gas Costs

I collected gas usage data from both networks using the arbiscan.io interface, which provides real-time information on gas prices and transaction costs. Here are the results:

| Chain | Gas Price |

| — | — |

| Arbitrum | 0.008 ETH per Gwei (1 gwei = 0.000001 ETH) |

| Optimism | 0.012 ETH per Gwei |

As you can see, the gas price for creating a secure 4337 account on Optimist was about 25% higher than on Arbitrum.

Reason for the difference

To understand why this difference exists, I analyzed the contracts on both chains and their interactions with each other. One of the main factors contributing to the discrepancy is the high gas consumption of contract interactions between the same/similar contracts on different platforms.

Optimist uses sophisticated gas-saving techniques in many popular contracts, such as Uniswap v2 (UPX), SushiSwap, and Curve Protocol, which reduce gas consumption. In contrast, Arbitrum contracts often rely heavily on simple, direct interactions with other chains, which are more expensive due to the additional layer of abstraction.

Conclusion

These findings suggest that creating a secure 4337 account on Optimist can be significantly cheaper than on Arbitrum. As the need for scalability and cost-effectiveness increases, it is essential to consider these differences when choosing different blockchain networks.

While Optimist is gaining popularity among users who require more advanced use cases or lower gas costs, Arbitrum remains an attractive option for those who require a simple, high-quality experience.

Code

If you want to recreate the experiment, you can use the following code snippet from the safe-4337 GitHub package:

import requests
def get_gas_price(chain):
response = requests.get(f"
gas_price = int(response.text.strip().split("Gas price:")[1].split(";")[0])
return gas_price / 100000000 
Convert Gwei to ETH for Gwei

Create a contract for Arbitrum and Optimist
from safe_4337 import SafeContract, Account
contract = safecontract()
account = account()
balance = account.create_initial_balance()
arbitrum_gas_price = get_gas_price("Arbitrum")
optimist_gas_price = get_gas_price("Optimism")
print(f"Arbitrum Gas Price: {arbitrum_gas_price} ETH for Gwei")
print(f"Optimist Gas Price: {optimist_gas_price} ETH for Gwei")

Please note that this code snippet is for illustration purposes only and should not be used in production.

Disclaimer

The results of this experiment are based on a simple example and may not reflect real-world scenarios. Gas costs can vary significantly depending on various factors such as network congestion, smart contract complexity, and transaction frequency. Always consult a trusted blockchain source or expert before making any decisions about your application implementation.