Ethereum Blog

Ethereum Blog

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Archive Archive for October, 2017



Byzantium HF Announcement

Posted byuserEthereum Team on October 12th, 2017.

The Ethereum network will be undergoing a planned hard fork at block number 4.37mil (4,370,000), which will likely occur between 12:00 UTC and 13:00 UTC on Monday, October 16, 2017. The Ropsten test network underwent a hard fork on September 19th (UTC) at block number 1.7mil (1,700,000). A countdown timer can be seen at As a user, […]

dev update


Roundup #6

Posted byuserEthereum Team on October 9th, 2017.

Metropolis is finally (almost) here! The fork for Byzantium, the first and larger part of Metropolis, succeeded on the testnet over two weeks ago, and the likely date for the fork on the mainnet has been set to block 4.37 million, which is expected to be on Oct 17. New features include opcodes such as REVERT […]