Consensus-level assault on Ethereum is one thing that was found by researchers, that enables miners to cheat the system and earn greater than they’re entitled to.
The research focuses on an issue the place miners can alter the timestamp related to a mined block to stop community problem will increase.
The Hebrew College in Israel claims to have discovered the “first proof of a consensus-level assault on a serious cryptocurrency” in a analysis research. Though the research continues to be beneath peer evaluate, its conclusions are supported by publicly accessible on-chain statistics and the open-source codebase of Ethereum.
The research focuses on an issue the place miners can alter the timestamp related to a mined block to stop community problem will increase. On-chain knowledge seems to again up the assertion as a result of F2Pool’s block timestamps have been intentionally modified to extend payouts, in keeping with one of many paper’s authors, Aviv Yaish.
(8/12) By analyzing publicly out there on-chain knowledge, we will lastly say that the reply to the long-standing query “do miners assault the consensus layer of main cryptocurrencies?” is sure! Particularly, F2Pool’s blocks have the fingerprint of the assault throughout them. …
— Aviv Yaish (@yaish_aviv) August 5, 2022
Uncle Maker
The proof-of-work consensus mechanism that retains Ethereum operating will probably be changed by proof-of-stake in September. The community seems to be susceptible to the assault outlined by The Hebrew College right now, however.
The research refers back to the consensus-level assault as an Uncle Maker assault in reference to the “uncle” blocks utilized within the exploit. On the Ethereum blockchain, blocks function a group of data which can be distributed, distributed, and validated all through the community. Uncle blocks are professional blocks which were taken off the first chain however are nonetheless rewarded.
The timestamp of a block might be modified by miners “inside a specified affordable sure,” which is normally a brief time frame. One mining pool that stood out within the research was F2Pool, which “didn’t have even a single block with a timestamp up to now two years, F2Pool,” in keeping with the findings. One of many greatest Ethereum swimming pools, F2Pool generates about 1.5K ETH in each day payouts and operates at a hash fee of 129 TH/s.
The report additionally famous that, whereas F2Pool is attacking different mining swimming pools, its founder has issued a comparatively highly-publicized denunciation of different mining swimming pools, blaming them for assaulting his personal mining pool.
The Hebrew College has developed a patch and supplied particular modifications for Ethereum’s protocol for consideration. The fabric was responsibly shared with the Ethereum Basis earlier than publishing.
May a consensus-level assault on Ethereum be a precursor of what’s to return? Will we discover comparable assaults on different cryptocurrencies as miners attempt to cheat the system? Solely time will inform.
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