Vitalik Buterin says L2s using Celestia are validiums, not genuine rollups

The Ethereum co-founder has sparked a debate on whether validiums are in the same category as layer 2 rollups.

By asserting that the blockchain’s validiums are not genuine rollup solutions, Ethereum co-founder Vitalik Buterin has sparked discussion regarding the classification of various layer 2 scaling solutions.

On Jan. 16, Buterin concurred with a remark presented on X (Twitter) by Daniel Wang, the pioneer behind the Ethereum rollup arrangement Taiko, who said if an Ethereum rollup utilizes another information chain for information accessibility —, for example, the secluded blockchain Celestia — then it’s an Ethereum validium.

“This is right,” Buterin answered. ” The center of being a rollup is the unqualified security ensure: you can get your resources out regardless of whether every other person intrigues against you.”

“You can’t get that assuming information accessibility is reliant upon an outside framework,” he added.
Validium is a scaling solution for Ethereum that relies on Ethereum’s mainnet for security and verification while enabling off-chain transactions with zero-knowledge proofs.

Dissimilar to ZK-rollups, which cluster exchanges on a layer 2 organization and check them on a layer 1 like Ethereum, validium networks don’t present exchange information on a L1. Since full transaction data does not need to be stored on-chain, validiums instead post cryptographic proofs that transactions are valid. This setup aims to achieve higher scalability.

Be that as it may, validiums depend on administrators to genuinely post confirmations and can have decreased information accessibility contrasted with rollups.

Celestia and other networks make use of a modular blockchain that is made up of data availability layers and validation layers. Validiums are used in the validation layers to make it possible to conduct transactions quickly and privately.

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In a Jan. 16 post on the decentralized virtual entertainment Warpcast, Buterin shared a graph proposing a change in accordance with a portion of the wordings, for example, “security-leaning toward” and “scale-inclining toward” “areas of strength for to” “light” determined to be “more concise.”
Not all were in concurrence with Buterin’s proposition, including Ethereum people group part Ryan Berckmans who attested that validiums are layer 2 organizations.

He stated, “A layer-2 is a chain that settles on Ethereum.” I’ll pass on this slope, and I’ll discuss any individual who demands the DA [data availability] must be on Ethereum for it to be a L2.”

“This is another industry, we can characterize ‘L2’ to mean anything we desire,” he proceeded. ” The maximally valuable meaning of L2 incorporates both rollups and validiums.”
Contrary to Berckmans’ claims, layer 2 industry analytics platform L2Beat argues that validuims are not L2s.