First hard fork for Ethereum 2.0: What is it, what will it work for?


Vitalic Butyrin, developed under Ethereum 2.0 Beacon chain Suggested hard fork for. The new hard fork is expected to make the beacon chain more user friendly for mobile devices and to fix some security issues on the network.

Ethereum Beacon Chain, part of the roadmap, came to life late last year. At the time of the beacon chain, also known as phase 0, there were some minor issues that were ‘late to recover’.

It aims to solve three main problems.

Bill Its main point, mobile equipment It was about this. The anticipated improvement in the sync committee will enable mobile devices and browsers to monitor blockchain with less power.

The minimum requirement for daily tracking is around 20kB; The minimum requirement to validate a block is about 500 bytes.

Vitalik Butyrin: “Light clients of the beacon chain (and ethereum 2.0) may thus be suitable for mobile devices and browsers.”

The plans include reducing the penalty of regular working verifiers; Irregular employee Punishment has increased. This is due to various problems ara ara With a verifier that breaks and is offline for a total of one hour Nonstop for one hour Penalty for offline verifier Thought Never happened Intermittent Verifier Ten times less Will be punished

Vitalik Butirin: “The goal here is to reduce the fines imposed on nodes (which are beyond their control) to connection problems, and to cut the actual penalty for nodes that actually do the wrong thing.

Another thing that came with HF1 was potential weaknesses in the forking mechanism. Existing fork system, 34 percent attack And Balance attack This may be the reason for such attacks. To avoid these problems, it is recommended to revert validators in the network under the necessary conditions and to count votes more safely during forks.

Balance Attack: An attacker who controls 2 percent of the verifiers catches the ‘right moment’ and offers some validation. 49 percent verifiers ahead of the attacker, A Block; The other 49 percent believe that Block B is ahead. If the attacker can actually match the time, he can cheat both sides.

Wants to prevent future problems

Its purpose is to eliminate some of the problems in the first version of the beacon chain in this way. It is believed that a solution brought specifically with respect to the forking mechanism will be useful in the future.

Ethereum developers ecosystem over time under 2.0 update Sharpen They are to introduce such methods. While these steps are not yet in place, Vitalic Butyrin believes that this mechanism will be helpful to try early.

When will it be done, what will be its name?

It is unknown when all these proposed changes will be activated. initial stage Hf1 The proposal submitted with its name is expected to be renamed. Some of the names suggested so far It was as follows:

  • Vitalik Butenin önerileri: Azshara / Ashenvale / Arathi, Badlands / Blast Lands, Desolés, Alvin Forest, Felarus / Failwood,
  • Edson Ayalon’s suggestions: Sirius, Altair, Arcturus, Antares,
  • Matt Garnett Recommendations: Amsterdam, Berkeley, Cairo
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