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)

ethereum.paris

The Paris fork transitions Ethereum from a proof-of-work consensus model to a proof-of-stake one. This fork is often referred to as "The Merge" because it marks the integration of the consensus layer with the execution layer (defined in this project.)

FORK_CRITERIA

16
FORK_CRITERIA = ByBlockNumber(15537394)