Ethereum [ETH] Constantinople hard fork deferred; DoS attack vector blamed

On October 5th, the core developer of Ethereum, Péter Szilágyi announced that the plan to launch the upcoming hard fork, Constantinople on the Ropsten Testnet has been delayed.

Péter Szilágyi explained that the decision comes collectively from the Ethereum community. The core developer stated that the main reason behind the delay was an encountered Ethereum Virtual machine [EVM] Denial of Service [DoS] attack vector. Szilágyi stated that the delay will allow clients to implement, test and release an update on the CREATE2 Ethereum Improvement Protocol [EIP], to counter the DoS attack vector.

Earlier, on 15th September, another member of the Ethereum community, Eric Conner announced that the Constantinople hard fork will hit the Ropsten Testnet on October 9th. Conner also stated that once the hard fork hits the Testnet, it will be implemented on the main chain soon after the Ethereum Devcon 4 event, held from 30th October to November 2nd.

According to Szilágyi’s recent tweet, the Testnet launch has been pushed by 1 epoch to block  #4230000, resulting in a delay of 5 days. The developers, however, have not commented on whether the delay in launching Constantinople on the Ropsten Testnet will push the dates for the main launch of the Ethereum hard fork.

The Constantinople hard fork was first announced in July this year, during a developer and stakeholder meeting that addressed the issues in the blockchain and cryptocurrency space with a focus on further upgrades.

The development team stated that the hard fork was being created to signal a new era of blockchain network usage. The community also claimed that Constantinople will see a cost-effective Mainnet and will be more efficient to use.

Cryptohulk, a Twitterati and cryptocurrency enthusiast said:

“Delay means problems $ETH

Responding to the Twitterati’s comment, the core developer Szilágyi assured that they were taking time because they did not want to “break the Testnet.”

Afri Schoedon, another Twitterati and blockchain minimalist commented:

“Perfect. 4230000 was my favourite block choice anyways.”

The Constantinople will be the second in the series of upgrades, the first being the Byzantine hard fork that took off in October last year. It went live at block #4,370000 and includes nine Ethereum Improvement Protocols.

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