In Ethereum on the block 11 234 873 there was a temporary fork of the blockchain

The Ethereum network has a temporary unplanned hard fork on the block 11 234 873. Infura platform reported outages, And Binance temporarily suspended ETH and ERC-20 tokens.

It was originally considered, that the cause of the failure was the internal problem on the platform Fire, which provides many companies with virtual units and are used by some exchanges and service providers to interact with the Ethereum network. However, independent nodes operators also reported problems.

During the incident, the Binance cryptocurrency exchange has suspended ETH and ERC-20 tokens, And the general director Chanpen Zhao (Changpeng Zhao) Wrote on Twitter:

“Perhaps there was a branch of the Ethereum chain on the block 11 234 873. Etherscan and Blockchair show two different chains and data after this block. Now we are solving the problem, But the withdrawal of assets was temporarily suspended. Safety money ".

The exchange resumed
Asset output c 13:20 Moscow time. BlockChair Command, Popular blockchain observer, reported
about the discrepancy between the blocks in its observer and data, published Etherscan. After block 11 234 873, mined 10:08 Moscow time, Two different blockchain branches began to be displayed in two observers.

At least a minimum screenshop. 14 blocks, mined in a smaller chain. This indicates that, that some miners have also suffered from this problem.

While the developers tried to prioritize to eliminate the problem, Head of the Geth School for working with large Ethereum nodes Peter Silan (Peter Szilagyi) hinted, that the first thing you should be updated to the latest version of the Geth.

Soon after, the Blockchair team reported, that the Geth Update eliminated the problem and wrote: "Seems like, There is a compatibility problem, which appeared in one of the latest Geth updates to the developers of the Ethereum ".

Sounds said, that Infura "uses “Ancient” Geth version ”and, hence, could face a similar synchronization problem. Blockchair development manager Nikita Zhavoronkov said:

"It seems, that there was a small hard fork, which no one noticed ".

According to him, The developers "broke something in the latest releases", And this led to the problem of consensus and an unplanned hardford. Tsilades formulated a problem differently, stated, that in the new release "consensus error is fixed".

The incident provoked significant, Although temporary, Problems for many participants in the Ethereum network. Infura platform has not yet restored complete functionality.

Recall, that the developers of the Ethereum are preparing to deploy a new version of the network, which is planned on 1 December. According to Etherscan, As of 8 November in Ethereum 2.0 45 were blocked for stakeing 893 ETH. Now this number has already exceeded 54 113 ETH.