zips
====

Specifications and Zcash Improvement Proposals for the
[Zcash cryptocurrency](https://z.cash/).

Participation in the Zcash project is subject to a
[Code of Conduct](https://github.com/zcash/zcash/blob/master/code_of_conduct.md).

Current NU3 ZIPs for consideration
----------------------------------

This is the current list of ZIPs that could be included in the NU3 upgrade (around ~April 2020).

- [Sapling Anchor Deduplication within Transactions](https://github.com/zcash/zips/blob/master/zip-0210.rst)
- [Disabling Addition of New Value to the Sprout Value Pool](https://github.com/daira/zips/blob/disable-sprout-outputs/zip-0211.rst)
- [Add Bolt support](https://github.com/boltlabs-inc/zips/blob/master/zip-bolt-support.rst)
- [Shielded Coinbase](https://github.com/str4d/zips/blob/zip-str4d-shielded-coinbase/zip-0213.rst)
- [Enable Staked Polling from the Sapling Pool](https://github.com/acityinohio/zips/blob/sapling-polling/zip-draft.rst)
- [Adding MMR Proofs to Block Headers, and their use in the FlyClient Protocol](https://github.com/therealyingtong/zips/blob/master/zip-0221.rst)
- [Multisig](https://github.com/omershlo/zips/blob/multisig/zip-multisig.rst)
- [Transfer Sapling Ephemeral Secret to Recipient in Note Plaintext](https://github.com/ebfull/zips/blob/unlinkable-addrs/zip-seanbowe-esktransfer.rst)

Deadlines for NU4
-----------------

| Event  | Date |
| ------------- | ------------- |
| ZIP draft submission deadline | Aug 31, 2019  |
| Feature selection done | October 31, 2019 |
| Testnet beta code release | March 31, 2020 |
| Testnet activation | May 31, 2020 |
| Mainnet activation | October 2020 |

License
-------

Unless otherwise stated in this repository's individual files, the contents of this repository are released under the terms of the MIT license.
See [COPYING](COPYING) for more information or see http://opensource.org/licenses/MIT.

Index of ZIPs
-------------

* [ZIP 0: ZIP Process](zip-0000)
* [ZIP 32: Shielded Hierarchical Deterministic Wallets](zip-0032)
* [ZIP 143: Transaction Signature Verification for Overwinter](zip-0143)
* [ZIP 200: Network Upgrade Mechanism](zip-0200)
* [ZIP 201: Network Peer Management for Overwinter](zip-0201)
* [ZIP 202: Version 3 Transaction Format for Overwinter](zip-0202)
* [ZIP 203: Transaction Expiry](zip-0203)
* [ZIP 205: Deployment of the Sapling Network Upgrade](zip-0205)
* [ZIP 206: Deployment of the Blossom Network Upgrade](zip-0206)
* [ZIP 207: Split Founders' Reward](zip-0207)
* [ZIP 208: Shorter Block Target Spacing](zip-0208)
* [ZIP 209: Prohibit Negative Shielded Value Pool](zip-0209)
* [ZIP 210: Sapling Anchor Deduplication within Transactions](zip-0210)
* [ZIP 243: Transaction Signature Verification for Sapling](zip-0243)
* [ZIP 308: Sprout to Sapling Migration](zip-0308)
* [ZIP guide: {Something Short and To the Point}](zip-guide)