"Upgrade in Cancun | Vitalik Buterin agrees that some products should use Validiums instead of Rollups"

Ethereum founder Vitalik Buterin just responded to community feedback on Twitter, clearly defining his own definition of Validium and stating that it is correct for some applications to be built on Validium rather than using Ethereum as a DA for Rollups.

Vitalik hopes that by 2024, there will be 10 L2s reaching Stage 1, what does this mean?

A Decentralized Network Without Ethereum is Validium

Validium Definition Sparks Discussion Again

As the recent Cancun upgrade to Dencun becomes inevitable, the introduction of EIP-4844 could bring about changes to the Layer2 ecosystem, keeping topics such as modularity, Rollups, data availability layers, and Layer2 in the spotlight and competitive.

Among them, the definition and legitimacy issues of Rollups have once again been raised. The ZK-EVM project focusing on the first type of Rollups, Taiko, founded by @danielwang.eth, made a statement on Twitter today that any Ethereum rollup using an external data availability layer DA is considered Validium, sparking a response from Vitalik.

Vitalik Acknowledges Some Services Should Use Validium

Vitalik agrees. The core of Rollups is unconditional security, meaning that even if others collude, users can withdraw their assets. If the data availability layer relies on external systems, this cannot be achieved, making the network Validium.

Validiums sacrifice some decentralization while utilizing a decentralized data availability layer to ensure the system's normal operation and enhance network security. These trade-offs will make subtle decisions based on specific application requirements.

However, Vitalik does not exclude Validium. He stated that Validium is the right choice for many applications because using a well-designed decentralized data availability layer system can indeed enhance Validium's security, which is a good approach.

Previously, Vitalik outlined the advantages and disadvantages of various L2 solutions:

Ethereum Roadmap Still Focuses on Rollups

The Ethereum roadmap still centers around Rollups rather than Validium, but from today's posts, Vitalik seems to not exclude Validium and the conflict of values with Ethereum.

Ethereum releases a 2024 roadmap, continuing to move towards a global settlement layer direction.