Author: Martin Young, Cointelegraph; Compiler: Songxue, Golden Finance
Ethereum co-founder Vitalik Buterin sparked a discussion on how to classify various Layer-2 scaling solutions, claiming that Blockchain verification is not a real Rollup solution.
On January 16,Buterin agreed with comments made by Daniel Wang, founder of Ethereum rollup solution Taiko, on X (formerly Twitter), saying whether Ethereum rollup uses another data chain To achieve data availability - such as the modular blockchain Celestia - that is Ethereum verification.
“That’s right,” Buterin replied. "At its core, Rollup is about unconditional security: you can get your assets out even if everyone else is against you."
"You can't do that if data availability relies on external systems A little bit," he added.
Validium is an Ethereum scaling solution that uses zero-knowledge proofs to enable off-chain transactions while relying on the Ethereum mainnet for security and verification.
Unlike zero-knowledge rollup (which batches transactions on a Layer2 network and verifies them on Layer1 such as Ethereum), the validium network does not publish transaction data to L1. Instead, validiums issue cryptographic proofs that transactions are valid, a setup designed to achieve greater scalability since full transaction data does not need to be stored on-chain.
However, verification relies on operators publishing proofs honestly, and data availability may be reduced compared to Rollup.
Networks like Celestia use a modular blockchain consisting of a data availability layer and a validation layer - the latter using validiums to enable fast and private transactions.
In a post on decentralized social media Warpcast on January 16, Buterin shared a chart suggesting adjustments to some terms, such as "security preference" and "scale preference," Take "strong" and "light" as "more concise".
Ethereum extension classification proposed by Buterin. Source: Warpcast
Not everyone agrees with Buterin’s proposal, including Ethereum community member Ryan Berckmans, who claims that validium is a Layer 2 network.
“Layer2 is an Ethereum-based chain,” he said. “I would argue with anyone who insists that DA [data availability] must be on Ethereum to be L2.”
“This is a new industry and we can define ‘L2’ as what we want means anything," he continued. "The most useful definitions of L2 include rollup and validation."
Contrary to Berckmans' statement, Layer 2 industry analysis platform L2Beat believes that validuims are not L2.
"Validation and optimization are not L2: by not publishing data on L1, they introduce additional trust assumptions on top of L1."
The premise for understanding this article is that you already know the basic principles of SNARKs and STARKs. If you are not familiar with them, it is recommended that you read the first few parts of this article to understand the basics.
JinseFinanceThis article assumes that you are familiar with the basics of how SNARKs and STARKs work; if you are not, I recommend reading the first few sections of this article.
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