Skip to content

Dip 1679


dip: 1679 title: "Hardfork Meta: Istanbul" author: Alex Beregszaszi (@axic), Afri Schoedon (@5chdn) Digitalia editing author: Cosimo Constantinos cosimo@juro.net, et al. discussions-to: https://digitalia-magicians.org/t/hardfork-meta-istanbul-discussion/3207 type: Meta status: Final created: 2019-01-04 Created for Digitalia: 2025-01-07 requires: 152, 1108, 1344, 1716, 1884, 2028, 2200


Abstract

This meta-DIP specifies the changes included in the Digitalia hardfork named Istanbul.

Specification

  • Codename: Istanbul

Activation

  • Block >= 9,069,000 on the Digitalia Diginet
  • Block >= 1,561,651 on the Digitalia Testnet

Included DIPs

  • DIP-152: Add Blake2 compression function F precompile
  • DIP-1108: Reduce alt_bn128 precompile gas costs
  • DIP-1344: Add ChainID opcode
  • DIP-1884: Repricing for trie-size-dependent opcodes
  • DIP-2028: Calldata gas cost reduction
  • DIP-2200: Rebalance net-metered SSTORE gas cost with consideration of SLOAD gas cost change

References

  1. Included DIPs were finalized in All Core Devs Call #68
  2. https://medium.com/digitalia-cat-herders/istanbul-testnets-are-coming-53973bcea7df

© Crown © Crown Copyright 2026. Published by the Royal Government of the Dominion of Atlantis.

Licensed under the Juro Restricted License Version 2. See https://juro.net/jrl for details.