Announcement of imminent hard fork for EIP150 gas cost changes
The Unrelenting Ethereum Attacks: A Call to Action for a Hard Fork
The Ethereum network has been under siege in recent weeks, with a series of sophisticated attacks targeting vulnerabilities in client implementations and the protocol specification. While patches have been implemented to bolster the network's resilience, the attacks have highlighted the need for a fundamental change to the Ethereum Virtual Machine (EVM) pricing model. In this article, we'll delve into the details of the attacks, the proposed collectives response, and the implications of the upcoming hard fork.
The Attacks: A Perfect Storm of Vulnerabilities
The recent attacks on the Ethereum network have been a masterclass in exploiting vulnerabilities. By targeting client implementations and the protocol specification, the attackers have been able to create a perfect storm of issues that have left users and nodes struggling to cope. The most visible consequence has been the difficulty in getting transactions included in blocks, as well as the memory limitations faced by full nodes in managing the bloated state.
The Need for a Lower-Level Change
The attacks have demonstrated that a lower-level change to the EVM pricing model is needed. The current model has been criticized for not accurately reflecting the underlying computational complexity of certain operations. By repricing these operations, the network can better reflect the true cost of executing transactions, reducing the likelihood of attacks and improving the overall efficiency of the network.
A Temporary Measure: Lowering the Gas Limit
As a temporary measure to minimize the effects of the recent attack, the collective recommends that all miners lower the gas limit to 500K gas. This will help to reduce the number of transactions that can be executed in a single block, making it more difficult for attackers to exploit vulnerabilities.
The Hard Fork: A New Era for Ethereum
The hard fork, based on EIP 150 version 1c, will be put into effect at block 2463000 (previously 2457000). This will reprice certain operations to correspond better to the underlying computational complexity. The fork will also serve to remove accounts which are empty; lacking code, balance, storage and nonce == 0. This will help to reduce the state bloat introduced by the attacks.
The Second Hard Fork: Reverting State Bloat
A second hard fork will follow shortly after the first, aimed at reverting the current state bloat introduced by the attacks. This fork will serve to remove accounts which are empty; lacking code, balance, storage and nonce == 0. This will help to reduce the memory limitations faced by full nodes and improve the overall efficiency of the network.
Implementing the Changes: A Collective Effort
The collective has implemented the changes required in the clients and is currently extending and adding tests in an effort to prevent the introduction of consensus-breaking vulnerabilities. This is a collective effort, and the community is encouraged to participate in the testing and implementation process.
The Ethereum Bug Bounty: A Call to Action
The Ethereum Bug Bounty is open and includes the new hardfork-implementations. This is a call to action for the community to participate in the testing and implementation process. By reporting vulnerabilities and contributing to the development of the network, the community can help to ensure the security and efficiency of the Ethereum network.
Practical Insights and Implications
The upcoming hard fork has significant implications for the Ethereum network and its users. By repricing certain operations and removing empty accounts, the network can improve its efficiency and reduce the likelihood of attacks. This will have a positive impact on the overall user experience, making it easier and more secure to use the Ethereum network.
Real-World Applications
The Ethereum network has a wide range of real-world applications, from decentralized finance (DeFi) to non-fungible tokens (NFTs). The upcoming hard fork will have a positive impact on these applications, making it easier and more secure to use the Ethereum network.
Forward-Looking Thoughts
The upcoming hard fork is a significant step forward for the Ethereum network. By repricing certain operations and removing empty accounts, the network can improve its efficiency and reduce the likelihood of attacks. This will have a positive impact on the overall user experience, making it easier and more secure to use the Ethereum network. As the network continues to evolve and improve, it will become an even more powerful tool for decentralized applications and use cases.
In conclusion, the upcoming hard fork is a significant development for the Ethereum network. By repricing certain operations and removing empty accounts, the network can improve its efficiency and reduce the likelihood of attacks. This will have a positive impact on the overall user experience, making it easier and more secure to use the Ethereum network.
Source: https://blog.ethereum.org/en/2016/10/13/announcement-imminent-hard-fork-eip150-gas-cost-changes
