ethereum.arrow_glacier

The Arrow Glacier fork delays the difficulty bomb. There are no other changes in this fork.

FORK_CRITERIA

8
FORK_CRITERIA = ByBlockNumber(13773000)

ethereum.gray_glacier

The Gray Glacier fork delays the difficulty bomb. There are no other changes in this fork.

FORK_CRITERIA

8
FORK_CRITERIA = ByBlockNumber(15050000)