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<section id="secure-scuttlebutt">
<span id="ssb"></span><span id="index-0"></span><h1>Secure Scuttlebutt<a class="headerlink" href="#secure-scuttlebutt" title="Permalink to this heading">#</a></h1>
<section id="feeds-metafeeds">
<h2>Feeds &amp; Metafeeds<a class="headerlink" href="#feeds-metafeeds" title="Permalink to this heading">#</a></h2>
<ul class="simple">
<li><p>Peers maintain a list of feeds they subscribe to</p></li>
<li><p>When peers connect, they ask for updates to subscribed feeds</p></li>
<li><p>Metafeeds can provide metadata about other feeds, and can form a tree structure with other Metafeeds as subfeeds.</p>
<ul>
<li><p><span class="target" id="index-1"></span>Bencoded rather than JSON.</p></li>
</ul>
</li>
</ul>
<div class="mermaid">
flowchart LR
subgraph Main [Main Feed]
mf[&quot;`Main Feed Posts
*metafeed/announce*
message`&quot;]
end
subgraph Meta [Meta feed]
direction TB
mf1[&quot;`Metafeed posts
*metafeed/add/existing
message`&quot;]
mf2[&quot;`Metafeed posts
*metafeed/add/existing
message`&quot;]
mf3[&quot;`Metafeed posts
*metafeed/add/derived
message`&quot;]
mf4[&quot;`Metafeed posts
*metafeed/add/existing
message`&quot;]
mf1 --&gt; mf2
mf2 --&gt; mf3
mf3 --&gt; mf4
end
subgraph SubfeedA [Subfeed A]
direction LR
sfa1[&quot;`Application specific
message in subfeed`&quot;]
sfa2[&quot;`Application specific
message in subfeed`&quot;]
sfa1 --&gt; sfa2
end
subgraph SubfeedB [Subfeed B]
direction LR
sfb1[&quot;`Application specific
message in subfeed`&quot;]
sfb2[&quot;`Application specific
message in subfeed`&quot;]
sfb1 --&gt; sfb2
end
subgraph SubfeedC [Subfeed C]
direction LR
sfc1[&quot;`Application specific
message in subfeed`&quot;]
sfc2[&quot;`Application specific
message in subfeed`&quot;]
sfc1 --&gt; sfc2
end
subgraph SubfeedD [Subfeed D]
direction LR
sfd1[&quot;`Application specific
message in subfeed`&quot;]
sfd2[&quot;`Application specific
message in subfeed`&quot;]
sfd1 --&gt; sfd2
end
Main --&gt; Meta
Meta --&gt; SubfeedA
Meta --&gt; SubfeedB
Meta --&gt; SubfeedC
Meta --&gt; SubfeedD
</div><p>Uses for metafeeds</p>
<ul class="simple">
<li><p>Storing multiple network identities with a special feed off the users root metafeed. (contents of metafeed entries can be encrypted)</p></li>
<li><p>Allow for multiple devices to use the same identity - <a class="reference external" href="https://github.com/ssbc/fusion-identity-spec">https://github.com/ssbc/fusion-identity-spec</a></p>
<ul>
<li><p>Device A <code class="docutils literal notranslate"><span class="pre">invite</span></code>s Device B to identity</p></li>
<li><p>Device B <code class="docutils literal notranslate"><span class="pre">consent</span></code>s</p></li>
<li><p>Device A <code class="docutils literal notranslate"><span class="pre">entrust</span></code>s phone with private key</p></li>
<li><p>Device B posts a <code class="docutils literal notranslate"><span class="pre">proof-of-key</span></code> message</p></li>
<li><p>If device B lost, <code class="docutils literal notranslate"><span class="pre">tombstone</span></code> the fusion identity message</p></li>
</ul>
</li>
</ul>
</section>
<section id="implementations">
<h2>Implementations<a class="headerlink" href="#implementations" title="Permalink to this heading">#</a></h2>
<section id="manyverse">
<span id="index-2"></span><h3>Manyverse<a class="headerlink" href="#manyverse" title="Permalink to this heading">#</a></h3>
</section>
</section>
<section id="references">
<h2>References<a class="headerlink" href="#references" title="Permalink to this heading">#</a></h2>
<ul class="simple">
<li><p><a class="reference external" href="https://ssbc.github.io/scuttlebutt-protocol-guide/">https://ssbc.github.io/scuttlebutt-protocol-guide/</a></p></li>
</ul>
</section>
</section>
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