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Ethereum Co-Founder Vitalik Buterin Proposes Restorative Fork to Address Quantum Computer Attacks

Vitalik Buterin, co-founder of Ethereum, wrote on the 9th that if Ethereum encounters a quantum computer attack, the crisis can be resolved through a restorative fork. Under this plan, Ethereum will need to perform a hard fork, and users will also need to download new software. wallet software, but only a few users may lose funds.
(Preliminary summary: V God’s 30th birthday speech: ETH returns to cryptopunk, it’s time for a new generation to succeed me!)
(Background supplement: What are the “Verkle Trees” praised by V God, and are they better than Merkel trees? The goal is to launch stateless verification on Ethereum this year)

Blockchain currently seems difficult to crack, but there have been doubts in the market that with the advent of quantum computers, existing cryptocurrency encryption algorithms, such as Bitcoin’s SHA-256 and Ethereum’s Keccak-256, will be able to crack. Quantum computers will be able to steal or counterfeit cryptocurrencies, posing a major threat to cryptocurrency security.

Restorative forks can resolve crises

However, Vitalik Buterin, the co-founder of Ethereum, spoke on the Ethereum Research Forum on the 9th with the topic “How to rescue user funds from sudden quantum attacks through hard forks”Write an articleHe said that if Ethereum suddenly encounters a quantum computer attack tomorrow, the crisis can be resolved through a relatively simple recovery fork:

Ethereum will need to undergo a hard fork and users will need to download new wallet software, but only a small number of users will likely lose funds.

According to Vitalik Buterin, the solution to a recovery fork has the following steps:

  • Roll back all blocks after a large-scale attack
  • Disable legacy transactions based on Externally Owned Account (EOA) addresses
  • Add a new transaction type to allow transactions through smart contract wallets (as part of RIP-7560)
  • Add new transaction types or operation codes to allow users to provide proof of STARK validity. If the proof is passed, the user’s address code will be switched to a new verified code. After that, the user can use the new code address as a smart contract wallet.
  • Vitalik Buterin added that for the sake of saving Gas, due to the large amount of STARK proof data, Ethereum can support batch STARK proofs to conduct multiple above-mentioned types of STARK proofs at the same time.

    Promote the rapid development of necessary infrastructure

    Vitalik Buterin finally called on developers to, in principle, start developing the infrastructure needed to implement this restorative fork tomorrow, so that the Ethereum ecosystem can be fully prepared for sudden quantum attacks. .

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    2024-03-10 10:22:15
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