Atlas Upgrade Launches on Arbitrum, Slashes Layer 2 Fees with Blobs

Offchain Labs has successfully launched the Atlas upgrade within the Arbitrum ecosystem. This update signifies significant progress in the quest to minimize transaction costs on Ethereum Layer 2 solutions. By incorporating the novel transaction type known as blobs, introduced in the recent Dencun upgrade, the Atlas upgrade promises to lower the financial barrier for users operating on the Arbitrum network.

Introduction of Blob Transactions to Arbitrum

The Atlas upgrade, also known as ArbOS 20, incorporates blobs, a new type of transaction used for a different way of storing data on Ethereum. This integration is in line with the successful rollout of the Dencun upgrade, which brought blobs to the Ethereum blockchain.

Blobs’ inclusion in Arbitrum is projected to improve the way data is stored, moving away from the calldata model that is currently in use. This transition not only improves data storage efficiency on the blockchain but also considerably lowers transaction fees for users.

Transaction Fees

One of the most anticipated outcomes of the Atlas upgrade is the dramatic reduction in transaction fees on the Arbitrum network. Before the upgrade, the network’s minimum base fee was 0.1 gwei. The introduction of the Atlas upgrade is to see the reduction of the fee to 0.01 gwei, which is ten times less than 0.1 gwei.

Hence, the average cost of a transaction on Arbitrum, which was around $0.5, is expected to drop to about $0.05. The fee reduction would make transactions on the Arbitrum network more affordable, thus promoting wider participation in the decentralized finance (DeFi) ecosystem.

Broader Ethereum Layer 2 Ecosystem

The deployment of the Atlas update on Arbitrum, as a result, is a key achievement in the broader Ethereum Layer 2 ecosystem. Layer 2 networks like Optimism, Base, and Starknet, which have already deployed blob transactions, saw a significant reduction in their average transaction costs, as reported by Coingape. This tendency highlights the possibility of blob transactions to change the economic dynamics of Layer 2 solutions of Ethereum by making them affordable and efficient for a broader range of users.

In addition, the Atlas upgrade creates a model for other Layer 2 networks to emulate. By showing an example of how blobs can be embedded and the possible advantages of such a technique, Arbitrum opens the door to other Ethereum innovations. With a rise in similar upgrades implemented by various networks, the overall scalability and affordability of Ethereum’s Layer 2 solutions are anticipated to improve, making the blockchain more attractive to existing and potential users.

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