zips
====

.. Title: Specifications and Zcash Improvement Proposals

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>`__.

The ZIP process is documented in `ZIP 0 <zip-0000.rst>`__.


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

This is the list of ZIPs that were under consideration for 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 | August 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
https://opensource.org/licenses/MIT .

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

.. raw:: html

  <embed><table>
    <tr> <th>ZIP</th> <th>Title</th> <th>Status</th> </tr>
    <tr> <td>0</td> <td class="left"><a href="zip-0000.rst">ZIP Process</a></td> <td>Active</td>
    <tr> <td>32</td> <td class="left"><a href="zip-0032.rst">Shielded Hierarchical Deterministic Wallets</a></td> <td>Final</td>
    <tr> <td>143</td> <td class="left"><a href="zip-0143.rst">Transaction Signature Verification for Overwinter</a></td> <td>Final</td>
    <tr> <td>200</td> <td class="left"><a href="zip-0200.rst">Network Upgrade Mechanism</a></td> <td>Final</td>
    <tr> <td>201</td> <td class="left"><a href="zip-0201.rst">Network Peer Management for Overwinter</a></td> <td>Final</td>
    <tr> <td>202</td> <td class="left"><a href="zip-0202.rst">Version 3 Transaction Format for Overwinter</a></td> <td>Final</td>
    <tr> <td>203</td> <td class="left"><a href="zip-0203.rst">Transaction Expiry</a></td> <td>Final</td>
    <tr> <td>205</td> <td class="left"><a href="zip-0205.rst">Deployment of the Sapling Network Upgrade</a></td> <td>Final</td>
    <tr> <td>206</td> <td class="left"><a href="zip-0206.rst">Deployment of the Blossom Network Upgrade</a></td> <td>Draft</td>
    <tr> <td><strike>207</strike></td> <td class="left"><strike><a href="zip-0207.rst">Split Founders' Reward</a></strike></td> <td>Withdrawn</td>
    <tr> <td>208</td> <td class="left"><a href="zip-0208.rst">Shorter Block Target Spacing</a></td> <td>Implemented</td>
    <tr> <td>209</td> <td class="left"><a href="zip-0209.rst">Prohibit Negative Shielded Value Pool</a></td> <td>Final</td>
    <tr> <td>210</td> <td class="left"><a href="zip-0210.rst">Sapling Anchor Deduplication within Transactions</a></td> <td>Draft</td>
    <tr> <td>243</td> <td class="left"><a href="zip-0243.rst">Transaction Signature Verification for Sapling</a></td> <td>Final</td>
    <tr> <td>308</td> <td class="left"><a href="zip-0308.rst">Sprout to Sapling Migration</a></td> <td>Final</td>
    <tr> <td>401</td> <td class="left"><a href="zip-0401.rst">Addressing mempool denial-of-service</a></td> <td>Final</td>
    <tr> <td>1001</td> <td class="left"><a href="zip-1001.rst">Keep the Block Distribution as Initially Defined — 90% to Miners</a></td> <td>Draft</td>
    <tr> <td>1002</td> <td class="left"><a href="zip-1002.rst">Opt-in Donation Feature</a></td> <td>Draft</td>
    <tr> <td>1006</td> <td class="left"><a href="zip-1006.rst">Development Fund of 10% to a 2-of-3 Multisig with Community-Involved Third Entity</a></td> <td>Draft</td>
    <tr> <td>1007</td> <td class="left"><a href="zip-1007.rst">Enforce Development Fund Commitments with a Legal Charter</a></td> <td>Draft</td>
    <tr> <td>1008</td> <td class="left"><a href="zip-1008.rst">Fund ECC for Two More Years</a></td> <td>Draft</td>
    <tr> <td>guide</td> <td class="left"><a href="zip-guide.rst">{Something Short and To the Point}</a></td> <td>Draft</td>
  </table></embed>