EIPs

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 mainnet
  • Block >= 6,485,846 on the Ropsten testnet
  • Block >= 14,111,141 on the Kovan testnet
  • Block >= 5,435,345 on the Rinkeby testnet
  • Block >= 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

  1. Included EIPs were finalized in All Core Devs Call #68 (opens new window)
  2. https://medium.com/ethereum-cat-herders/istanbul-testnets-are-coming-53973bcea7df

Copyright and related rights waived via CC0 (opens new window).

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