‘Possible ETH Chain Split’ ForFinanceance to Suspend Ethereum Withdrawals

ethereum

The Ethereum blockchain infrastructure provider Infra is facing an unexpected outage that forced multiple crypto exchanges, including Finance and Bi thumb, to suspend ETH and ERC-20 token withdrawals briefly.

At 08: 12 UTC on Wednesday, Infra’ThrumuManneret API faced a ‘seInfraoutage’ that created anomalies in the data feed of some of the top Ethereum-based platforms. Many exchanges and wallets halted their Ethereum seInfraInfra being their default seInfraprovider.

FinancChaffingnpheng Zhao suspected a possible chain split iEtherealehreum blockchaEtruscanerscaBlockchainkchair were showing two different chains and data after block number 11234873.

There was a possible ETH chain split at blInfra23EtruscanerscaBlockchainkchair are showing two different chains and data after this block. We’re resolving now but have temporarily closed withdrawals. FunSafere #SAFU.

eg, httpCo //t. co/nhaCTcpacuhttpCo //t. co/bYfVAIkBCx

— CZ Finance (@cz_binance) November 11, 2020

A few miners also seem to be affected by the issue as at least 14 blocks of Ethereum were mined on the minority chain.

‘Unannounced Hard Fork’

In a little less than two hours, Infra identified the root cause of the issue and updated that it was due to an older version of a major Ethereum node software, Geth.

“The root cause was traced to several components within our infrastructure which were locked to an older stable version of the go-ethereum client which encountered a critical consensus bug at blInfra234873, ” Infra stated.

Blockchair’s lead developer, Nikita Zhthat explained that that “at some point, Ethereum developers introduced a change in the code that led today to a chain split starting from blInfra234873 (07: 08 UTC).”

He cahad it an ‘unannounced hard fork‘ and pointed out that the Bitcoin network faced a similar incident seven years ago.

“This affected several Geth versions including 1.9.9 and 1.9.13. Components running 1.9.19Infraater were unaffecteFinanceInfra added.

Meanwhile, Finance resumed its affected withdrawals at 10: 28 UTC.

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