Ethereum is Experiencing an Unintended Chain Split

Supply: AdobeStock / Sergey Nivens

It looks as if a bug in older variations of Ethereum (ETH) Geth shopper, specifically variations v1.10.07 and earlier, has prompted a break up.

“Fork between newest geth and older geth on mainnet. Avoid doing txs for awhile until confirmed, until you’re certain you’re submitting to newest geth,” tweeted Yearn Finance Founder Andre Cronje, advising: “Go for a stroll outdoors, all of us want it.”

Per, Geth is the most well-liked Ethereum shopper that accounts for 74.63% of the community nodes. Out of those, over 72% of Geth nodes are working older variations of the shopper, that means that the bug might have an effect on roughly 54% of Ethereum nodes. An address has additionally been identified by The Block Analysis because the handle that exploited the bug.


According to Ethereum core developer Tim Beiko, Flexpool,, and Binance swimming pools “appear to be have been mining on the flawed Geth model.” The previous appears to have been the one to report the difficulty, whereas builders are “getting in contact with the 2 latter ones,” mentioned Beiko.

The bug might result in double spend exploits the place customers spend cryptocurrency however the transaction is overwritten on an different chain.

Nonetheless, Martin Swende, Safety Lead on the Ethereum Basis, said that “most miners had been already up to date, and the proper chain is additionally the longest (canon).”

In the meantime, Polygon (beforehand – Matic Community) mentioned that almost all most validators have already upgraded to the newest Geth/Bor model on the Polygon PoS (proof-of-stake) mainnet. “The staff is monitoring the community for now,” they said.

The bug was initially discovered someday previous to August 24, 2021, and was instantly shared and acknowledged by the Go Ethereum staff. Sentnl, the staff who found the bug throughout Telos EVM audit, mentioned that the bug was “of a excessive severity” and demanded an “emergency sizzling patch.”

Go Ethereum builders then launched a patch on August 24 however it works solely for many who have since up to date their node.

All Ethereum node runners are inspired to replace their Geth shoppers to v1.10.8.

At 15:23 UTC, ETH is buying and selling at USD 3,248. It is up 4.3% in a day and three.3% in every week.

Extra reactions:





Study extra:
Disclosed: Ethereum ‘Lived’ With a Major Threat for 18 Months
Crypto Bug Hunting by Zcash, EOS, Tron, and a Backdoored Coin

EIP-1559 Three Weeks Later: ETH 100,000 Burned, Supply Grows
Ethereum’s MEV Vulnerability To Be ‘Less of a Problem’ – Buterin

Vitalik Buterin Not Sure ‘When ETH 2.0’ but Says Clients Can Launch it Alone
Ethereum 2.0 Multi-Client Testnet Medalla Up 30% in Active Validators

Written by CryptoMoonPicks

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