EIP1679 - Hardfork Meta: Istanbul
# Abstract
This meta-EIP specifies the changes included in the Ethereum hardfork named Istanbul.
# Specification
- Codename: Istanbul
# Activation
Block >= 9,069,000
on the Ethereum MainnetBlock >= 6,485,846
on the Ropsten testnetBlock >= 14,111,141
on the Kovan testnetBlock >= 5,435,345
on the Rinkeby testnetBlock >= 1,561,651
on the Görli testnet
# Included EIPs
- EIP-152: Add Blake2 compression function
F
precompile - EIP-1108: Reduce alt_bn128 precompile gas costs
- EIP-1344: Add ChainID opcode
- EIP-1884: Repricing for trie-size-dependent opcodes
- EIP-2028: Calldata gas cost reduction
- EIP-2200: Rebalance net-metered SSTORE gas cost with consideration of SLOAD gas cost change
# References
- Included EIPs were finalized in All Core Devs Call #68 (opens new window)
- https://medium.com/ethereum-cat-herders/istanbul-testnets-are-coming-53973bcea7df
# Copyright
Copyright and related rights waived via CC0 (opens new window).