Hard Fork to Address the Ice Age (EIP-2387)

[veox]

@tjayrush

If you only subtract 4,000,000 from the current block number

EIP-2384 proposes to push it 4 million from Constantinople (highlights mine):

Starting with ???_FORK_BLKNUM the client will calculate the difficulty based on a fake block number suggesting to the client that the difficulty bomb is adjusting 9 million blocks later than the Homestead fork, which is also 7 million blocks later than the Byzantium fork and 4 million blocks later than the Constantinople fork.

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It’s also probably OT in this thread (for the hard-fork meta), and should go to the one on the delay.