This article was published on January 18, 2019

Ethereum devs reschedule Constantinople hard fork for late Feb

Ethereum devs reschedule Constantinople hard fork for late Feb

Ethereum core developers have now said they will activate the proposed Constantinople upgrade in late February.

The upgrade was delayed earlier this week following a code audit, which revealed that the fork would introduce security issues affecting Ethereum’s smart contracts, potentially resulting in the theft of users’ funds.

As previously reported by Hard Fork, the initial delay was announced on Tuesday – less than 24 hours before the hard fork was due to take place.  

This latest change of schedule was announced during a core developer phone call, which took place today.

Participants on the phone call included Ethereum co-founder Vitalik Buterin, Hudson Jameson, Péter Szilágyi, Martin Holste Swende, Lane Rettig, and Afri Schoedon.

According to Szilágyi’s tweet, the fork is now scheduled for 27 February and the block number has finally been revealed as 7,280,000.

What is Constantinople?

Constantinople was completed on 31 August and consists of five different Ethereum Improvement Proposals (EIP), which once released will permanently alter Ethereum’s blockchain with several backwards-incompatible upgrades.

This basically means that nodes – which make up the computer network tasked with running Ethereum’s software – must either update or risk working with an old, out-of-date blockchain.

Hard forks, aka system-wide upgrades, can result in turmoil, especially if participating users fail to reach an agreement over the proposed changes (remember Bitcoin Cash’s hash wars?).

Generally speaking, though, most of the upgrades in Constantinople will not be noticeable to average end users, and there shouldn’t be much contention.

The fork has mostly been designed to make the network and fee structure more efficient, although it does include changes to Ethereum’s economic policy.

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