2019-01-04 14:35:03 +00:00
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---
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2019-01-04 14:36:08 +00:00
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eip: 1679
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2019-01-04 14:35:03 +00:00
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title: "Hardfork Meta: Istanbul"
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2019-01-04 14:58:08 +00:00
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author: Alex Beregszaszi (@axic), Afri Schoedon (@5chdn)
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2019-04-26 15:15:15 +00:00
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discussions-to: https://ethereum-magicians.org/t/hardfork-meta-istanbul-discussion/3207
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2019-01-04 14:35:03 +00:00
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type: Meta
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status: Draft
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created: 2019-01-04
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2019-03-01 11:37:00 +00:00
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requires: 1716
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2019-01-04 14:35:03 +00:00
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---
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## Abstract
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This meta-EIP specifies the changes included in the Ethereum hardfork named Istanbul.
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## Specification
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- Codename: Istanbul
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- Activation: TBD
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2019-04-23 13:46:18 +00:00
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### Included EIPs
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- TBD
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### Accepted EIPs
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- TBD
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### Proposed EIPs
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2019-04-29 15:38:22 +00:00
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- [EIP-1057](https://eips.ethereum.org/EIPS/eip-1344): ProgPoW, a Programmatic
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Proof-of-Work
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- There is a
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[pending audit](https://medium.com/ethereum-cat-herders/progpow-audit-goals-expectations-75bb902a1f01),
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above and beyond standard security considerations, that should be evaluated
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prior to inclusion.
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2019-04-24 08:28:38 +00:00
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- [EIP-1344](https://eips.ethereum.org/EIPS/eip-1344): Add ChainID opcode
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2019-04-26 15:38:51 +00:00
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- [EIP-1352](https://eips.ethereum.org/EIPS/eip-1352): Specify restricted address range for precompiles/system contracts
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2019-04-27 13:55:23 +00:00
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- [EIP-1702](https://eips.ethereum.org/EIPS/eip-1702): Generalized account versioning scheme
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2019-04-29 07:49:36 +00:00
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- [EIP-1884](https://eips.ethereum.org/EIPS/eip-1884): Repricing for trie-size-dependent opcodes
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2019-04-23 13:46:18 +00:00
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## Timeline
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* 2019-05-17 (Fri) hard deadline to accept proposals for "Istanbul"
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* 2019-07-19 (Fri) soft deadline for major client implementations
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* 2019-08-14 (Wed) projected date for testnet network upgrade (Ropsten, Görli, or ad-hoc testnet)
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* 2019-10-16 (Wed) projected date for mainnet upgrade ("Istanbul")
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2019-01-04 14:35:03 +00:00
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2019-03-01 11:37:00 +00:00
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## References
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2019-04-23 13:46:18 +00:00
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- [Core Dev call notes](https://github.com/ethereum/pm/issues/66#issuecomment-450840440) where timeline was proposed and accepted
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2019-03-01 11:37:00 +00:00
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2019-01-04 14:35:03 +00:00
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## Copyright
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Copyright and related rights waived via [CC0](https://creativecommons.org/publicdomain/zero/1.0/).
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