Ethereum Classic Performed Its Scheduled Phoenix Hard Fork

Ethereum Classic performed its scheduled Phoenix hard fork on May 31, including features from Ethereum’s earlier Istanbul fork.

The upgrade means that the two networks share virtually the same protocol, making them fully intercompatible.


Atlantis, Agharta, and Phoenix complete the ETC-ETH parity making way for more valuable research and innovations to come. Phoenix marks the 3rd upgrade completed in this series for #EthereumClassic. 🎉 Phoenix Successfully Activates on Ethereum Classic 🎉 https://t.co/pyaDRSYZtD — Ethereum Classic (@eth_classic) June 1, 2020

The hard fork was scheduled for block 10,500,839, which was mined at 8:00 p.m. Eastern time on May 31.

The fork is the third in a series of recent upgrades. In December, the Agharta fork ported Constantinople features to ETC, while Atlantis was activated earlier in September 2019.

Ethereum developer Afri Schoedon says that the inclusion of Istanbul features means that the two projects “reached protocol parity.”


Classic and Ethereum reached protocol parity last night. — Afr Schoe ⚡ (@a4fri) June 1, 2020

However, some minor inconveniences occurred as a result of the fork, with a small portion of miners remaining on the old chain.


#EthereumClassic forked successfully to the #Phoenix upgrade! Congrats to the #ETC ecosystem!!https://t.co/N83hzJrXs1 pic.twitter.com/U6FidNcLaf — Etherplan (@EtherplanLive) June 1, 2020

Some clients have also not been synchronized with the hard fork, notably- Hyperledger Besu. The ETC team said that this should not affect the network as Besu was primarily used in enterprise settings.

Source: Cointelegraph | Image: Unsplash

#istanbulhardfork #hardfork #ethereumclassic #ethereum #Phoenix

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