Vitalik ETHCC speech summary: Promoting a more automated approach to Ethereum's 51% attack

By Tim Copeland

Compiled by: DeThiXiaobai Navigationngs

Summary of key points:

• Ethereum co-founder Vitalik Buterin has pushed for the Ethereum network to be better prepared in the face of a 51% attack.

• He advocates that we should be prepared to automatically respond to such attacks in order to reduce stress on a social level.

Ethereum co-founder Vitalik Buterin is pushing the Ethereum network to review and prepare for a hypothetical 51% attack

“This is something I would advocate that we do more research on and build upon,” he said during a keynote address at the ETHCC in Brussels.

Buterin is considering the concept of a 51% attack, where a malicious actor (or multiple actors working in coordination) produces more Ethereum blocks than the honest actors. He believes that one of the biggest concerns is that this could lead to censorship on the network.

In a potential response to such an attack, he said honest validators should move to a fork of the chain. The current plan relies heavily on social consensus,CommunityMembers work together to reach branch agreement.

However, Buterin believes it would be better if the network was better prepared for such responses. It would be best if such responses were largely automated and planned in advance, he said.

“We want the response to a 51% attack to be as automated as possible. So if you’re a validator, then your node should be running software that will automatically counter-censor the majority chain if it detects that a transaction is being censored, or certain validators are being censored or it’s being censored, and all the honest nodes will automatically, as a result of the code that they’re running, coordinate to use the same minority software,” he said.

Buterin acknowledged that it would be impossible to automatically move 100% of the network to a fork because there are many constraints. But he said: "The closer you can get to that, the less effort social consensus needs to take."

He said the technical layer needs to at least provide a clear winning soft fork candidate so thatCommunityBeing able to stick together when it’s time to break free from the censorship chain.

Buterin’s other suggestions for Ethereum

Buterin 还主张在以太坊的基础设施层面，特别是包括钱包在内，增加轻客户端的采用。他说他们还应支持 zk-EVM 的验证，进一步支持第二层网络。

He also discussed the issue of quantum resistance. He pointed out that this is EthereumBlockchainHowever, he believes that the network faces four risk elements - Merkle trees, consensus signatures, data blocks and user accounts - but each has its own solution.

Among other things, he pushes for further protocol simplification to make it easier for developers and users to use.

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