<h1 id="kevinslin"><a aria-hidden="true" class="anchor-heading icon-link" href="#kevinslin"></a>Kevinslin</h1>
<h3 id="notes-by-kevin"><a aria-hidden="true" class="anchor-heading icon-link" href="#notes-by-kevin"></a>Notes by <a href="https://github.com/kevinslin">kevin</a></h3>
<ul>
<li>speaker
<ul>
<li>cto of fission codes</li>
<li>working on lots of protocols</li>
</ul>
</li>
<li>context for auth 
<ul>
<li>theres a lot in th emiddle</li>
<li>lots of data is sensitive</li>
</ul>
</li>
<li>networked data, not apsp</li>
<li>3 techniques
<ul>
<li>global primary key (content hashing)</li>
<li>cryptrees/dark forest</li>
</ul>
</li>
<li>content hashing
<ul>
<li>never change</li>
<li><em>hard links for the web</em></li>
<li>self verifying data</li>
</ul>
</li>
<li>private data substrate
<ul>
<li>traditional: file system</li>
<li>new:
<ul>
<li>partitioned</li>
<li>persistent &#x26; versioning
<ul>
<li>feature but also implementation detail</li>
<li>just maps under the hood</li>
</ul>
</li>
<li>private data
<ul>
<li>crypto is just transforming existing problems into key management problems</li>
<li>what changed: ubiquitous web crypto api 
<ul>
<li>you can't extract keys using the api, only signing</li>
</ul>
</li>
</ul>
</li>
</ul>
</li>
</ul>
</li>
<li>offline access control
<ul>
<li>use hash tree vs trie</li>
</ul>
</li>
<li>concurrent writes</li>
</ul>

Kevinslin

cascadia-js-2022


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Kevinslin

Notes by kevin