On 15th April 2021, after the much-awaited Berlin hard fork occurred at block 12,244,000, developers and analysts across the world started experiencing and reporting unexpected issues with Ethereum (ETH) nodes managed by the OpenEthereum (OE) client.
Due to the fact that Geth is the most popular mainstream implementation of Ethereum (ETH) node software, OpenEthereum (OE) is leveraged mostly by analytical tools such as Etherscan.
OpenEthereum tweeted, “OpenEthereum has a consensus error at block 12244294. We are diagnosing the root cause and will keep you posted.”
OpenEthereum has a consensus error at block 12244294. We are diagnosing the root cause and will keep you posted. https://t.co/iNux7pHe9X
— OpenEthereum (@OpenEthereumOrg) April 15, 2021
According to the Ethernodes dashboard, 12% of all nodes of the Ethereum blockchain is run by OpenEthereum (OE). Meanwhile, developers in the purpose-opened Github, issue, are reporting the same issues affecting client Hyperledger Besu.
Martin Köppelmann, an Ethereum (ETH) veteran, who created the blockchain-based prediction market, Gnosis (GNO), indicated the wrong appending of a block as the major cause of the error.
Martin Köppelmann tweeted, “The OpenEthereum team is looking into the issue: So far it looks like the (very likely) correct block 12244294 with hash 0x53c7… was not validated as correct and thus an alternative block with hash 0x0xb2e0 was eventually mined at that height.”
The @OpenEthereumOrg team is looking into the issue:
So far it looks like the (very likely) correct block 12244294 with hash 0x53c7… was not validated as correct and thus an alternative block with hash 0x0xb2e0 was eventually mined at that height. https://t.co/G95jbVFQz0
— Martin Köppelmann (@koeppelmann) April 15, 2021
However, at the time of the incident, the price trend of Ethereum (ETH) in the market was obviously unaffected, considering a new all-time high above $2,500 recorded around the time. At the time of press, ETH is trading at $2,483.56, with a relatively 1% price downtrend in the last 24 hours.
Expectedly, a number of Bitcoin maximalists seized the opportunity to taunt the leading blockchain project. Jameson Lopp, CTO of Casa Bitcoin, doubted the design of Ethereum forks.
Jameson Lopp tweeted, “Ethereum has been operating for 6 years and accrued $250B in ETH tokens alone, yet they’re still managing to break huge swathes of infrastructure by deploying non backwards compatible forks.”
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