ethereum.spurious_dragon
The Spurious Dragon fork is the second of two forks responding to a denial-of-service attack on the Ethereum network. It tunes the prices of EVM instructions, adds protection against replaying transaction on different chains, limits the maximum size of contract code, and enables the removal of empty accounts.
FORK_CRITERIA
| 11 | FORK_CRITERIA = ByBlockNumber(2675000) |
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ethereum.byzantium
The Byzantium fork reduces the mining rewards, delays the difficulty bomb, lets contracts make non-state-changing calls to other contracts, and adds cryptographic primitives for layer 2 scaling.
FORK_CRITERIA
| 9 | FORK_CRITERIA = ByBlockNumber(4370000) |
|---|