ethereum.forks.muir_glacier

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

Changes

Upgrade Schedule

NetworkBlockExpected DateFork Hash
Ropsten7,117,117
Mainnet9,200,000January 2, 20200xe029e991

Releases

FORK_CRITERIA

38
FORK_CRITERIA: ForkCriteria = ByBlockNumber(9200000)

ethereum.forks.berlin

The Berlin fork adjusts the gas costs of the ModExp precompile and several state access EVM instructions, introduces typed transaction envelopes along with the first new transaction type—optional access lists.

Changes

Upgrade Schedule

NetworkBlockExpected DateFork Hash
Ropsten9,812,189March 10, 2021
Goerli4,460,644March 17, 2021
Rinkeby8,290,928March 24, 2021
Mainnet12,244,000April 14, 20210x0eb440f6

Releases

FORK_CRITERIA

43
FORK_CRITERIA: ForkCriteria = ByBlockNumber(12244000)