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Vitalik Reveals Explains What Next after Ethereum Blobs

Just over two weeks after Ethereum’s successful Dencun upgrade deployed EIP-4844 or “proto-danksharding” to help reduce Layer 2 gas fees, co-founder Vitalik Buterin has hinted at the next key step – verifying the new blob data with a conservative version of Data Availability Sampling (DAS) called PeerDAS.

Ethereum has blobs. Where do we go from here?https://t.co/P2cyf9sCwb

— vitalik.eth (@VitalikButerin) March 28, 2024

Buterin noted that with blob activation completed, “Ethereum scaling ceased to be a ‘zero-to-one’ problem, and became a ‘one-to-N’ problem.” Verifying blobs with PeerDAS paves the way for introducing additional scaling solutions to the protocol.

The ultimate aim is to enable full data availability sampling, allowing up to 16MB of data per slot to be utilized. However, this will be a progressive process, with blob capacity increasing incrementally behind the scenes without disrupting users or applications.

The next step is verifying blobs with PeerDAS, a conservative version of DAS that can offer some additional scaling. At first, we'll likely see some clients full-verifying and others doing DAS checks.

More and more advanced versions of DAS can be introduced over time. pic.twitter.com/w0R30zBmjP

— vitalik.eth (@VitalikButerin) March 28, 2024

In the meantime, the Dencun team will work on optimizing Layer 2 platforms to maximize their usage of the newly available blob data space. Several Ethereum L2s have already seen significant reductions in gas fees since integrating EIP-4844.

With blob verification next on the roadmap, Ethereum is taking another key step toward sustainable scaling and wider adoption through lower transaction costs.

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