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Vitalik Buterin spoke about the role of ZK-Rollups in scalability Ethereum
Vitalik Buterin published an “probable road map” of Ethereum development, following which the network of the second in capitalization of cryptocurrency will be able to increase scalability, while remaining reliable and resistant to censorship. The central place in the concept is occupied by ZK-Rollups technology.
According to Butaterin, the “average large blockchain” is characterized by frequent generation of large blocks and high throughput (“thousands of transactions per second”) with low decentralization. This is due to the fact that due to the size of the blocks and, as a result, only a few nodes fully participate in their production.
The founder of Ethereum noted that Rollups increases the effectiveness of validation of blocks, but does not solve the https://gagarin.news/ problem of their centralized generation. In his opinion, there are two possible options for full -scale implementation of the technology: either “everything” will be transferred to one Rollup, or network activity will be distributed between several solutions.
In the first case, it is necessary that at the first level Ethereum to implement a cartoon, and the blockchain should be able to store all the data of the dominant solution, distributing them between its segments.
“We get a world in which the production of blocks is centrally, their verification is based on the principle of lack of trust [Trustless] and decentralized, and censorship is still prevented. Block manufacturers have to process a huge number of transactions, so it is difficult to enter this market, but they do not have the opportunity to push invalid blocks, ”said Butaterin.
An alternative scenario suggests that none of the Rollups projects could capture most of the network activity of Ethereum. In this case, the ecosystem will have a structure similar to Cosmos, that is, represented by several independent blockchains. The connection between these segments will provide cross-marks.
“It seems that this approach will allow us to get everything: decentralized validation, reliable protection against censorship and even distributed block production, since all Rollups are small and it is easy to start operations in them. But decentralization of the production of blocks may turn out to be short-lived due to the possibility of internal MEV, ”wrote Ethereum founder.
Buterin explained that the architecture that allows you to generate blocks at the same time “in several domains” creates opportunities for arbitration. In addition, according to him, there is a risk that the production of blocks on all domains will be controlled by the same people.
Ethereum founder added that possible solutions can be a “mechanism of auction for block mining”, the implementation of “Censorship-ReSistant Bypass Channels) in Rollups or their combination. All proposals suggest the implementation of PBS in the main network.
According to Butaterin, the ETH blockchain is “open to all options”, since its roadmap is focused on Rollups. Therefore, his supporters “do not need to choose the winners”. He also emphasized that this technology will require “years of improvements and audits”.
Recall, on December 9, the Arrow Glacier hardforte will be held on the Ethereum network, during which the “complexity bomb” will delay until May 2022.
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