mirror of https://github.com/zcash/zcash-blog.git
26 lines
3.7 KiB
Markdown
26 lines
3.7 KiB
Markdown
---
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ID: 1583
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post_title: 'New Alpha Release: Solidifying the Consensus Protocol'
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author: Daira Hopwood
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post_excerpt: ""
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layout: post
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permalink: >
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https://blog.z.cash/new-alpha-release-solidifying-the-consensus-protocol/
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published: true
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post_date: 2016-08-25 00:00:00
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---
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<p>Today, we deployed a new alpha release of the <a class="reference external" href="https://github.com/zcash">Zcash</a> reference implementation, <a class="reference external" href="https://github.com/zcash/zcash/releases/tag/v0.11.2.z9">v0.11.2.z9</a>, to the testnet. The new release includes the following changes <a class="footnote-reference" href="#id2" id="id1">[1]</a>:</p>
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<ol class="arabic simple"><li>Decreased block header size to address a bug interfering with the testnet (<a class="reference external" href="https://github.com/zcash/zcash/pull/1289">#1289</a>).</li>
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<li>Ensured that Zcash secrets are saved along with Bitcoin secrets in wallets (<a class="reference external" href="https://github.com/zcash/zcash/pull/1198">#1198</a>).</li>
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<li>Implemented more space-efficient encodings for Equihash solutions (<a class="reference external" href="https://github.com/zcash/zcash/pull/1175">#1175</a>).</li>
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<li>Implemented more space-efficient encodings for zk-SNARK proofs following an IEEE standard (<a class="reference external" href="https://github.com/zcash/zcash/pull/1262">#1262</a>).</li>
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<li>Increased the size of the memo field sent with notes, to 512 bytes (<a class="reference external" href="https://github.com/zcash/zcash/pull/1187">#1187</a>).</li>
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<li>Merged in upstream Bitcoin patches related to Denial-of-Service protection (<a class="reference external" href="https://github.com/zcash/zcash/pull/1251">#1251</a>).</li>
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<li>Implemented the first stages of adding a new higher-level RPC interface so that clients don't have to deal with details of the underlying cryptographic protocol (<a class="reference external" href="https://github.com/zcash/zcash/issues/701">#701</a>, <a class="reference external" href="https://github.com/zcash/zcash/pull/756">#756</a>, <a class="reference external" href="https://github.com/zcash/zcash/pull/1197">#1197</a>).</li>
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<li>Began addressing issues found by NCC Group as part of our <a class="reference external" href="/auditing-zcash/">security audits</a> (<a class="reference external" href="https://github.com/zcash/zcash/pull/1214">#1214</a>, <a class="reference external" href="https://github.com/zcash/zcash/pull/1215">#1215</a>).</li>
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</ol><p>We do not expect to make any other changes to the consensus protocol, except for possible security fixes, until after 1.0.</p>
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<p>This alpha release will reset our testnet, invalidating all previous coins and breaking backwards compatibility. To get connected to the new testnet, follow the instructions on the <a class="reference external" href="https://github.com/zcash/zcash/wiki/Public-Alpha-Guide">Public Alpha Guide</a>.</p>
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<p>To follow our progress, watch <a class="reference external" href="https://github.com/zcash/zcash/milestones">the github project</a> and <a class="reference external" href="https://forum.z.cash/">join the forum</a>. To
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get an email announcement when <a class="reference external" href="/sprout-roadmap/">Zcash Sprout</a> is ready, put your email address
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<a class="reference external" href="https://z.cash/#launch-notification">in here</a>.</p>
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<table class="docutils footnote" frame="void" id="id2" rules="none"><colgroup><col class="label"/><col/></colgroup><tbody valign="top"><tr><td class="label"><a class="fn-backref" href="#id1">[1]</a></td><td>For more specific detail, view our <a class="reference external" href="https://github.com/zcash/zcash/milestone/27?closed=1">z9 release</a> github milestone.</td></tr></tbody></table> |