Add testchain mode

index.html

@@ -73,7 +73,7 @@ <h2 class="display mx-auto text-center mb-3">get started</h2>
                 <a href="https://chrome.google.com/webstore/detail/cobweb/agdomcadfhkpkcjceenogkiglbhgpclg" class="btn glassy-cw-btn mt-1" role="button">download</a>
 </div>
 <div class="col">
-    <p>Cobweb is MIT-licensed and fully open source - the source is <a href="https://github.com/kewbish/cobweb">available on GitHub</a> should you wish to build from source. The checksum of the current version is <code style="word-break:break-all;">a0f59c908c6d6f65a22348d2abfe51c01ee530072da6a8ded98e84fd1ef3dda5</code>.
+    <p>Cobweb is MIT-licensed and fully open source - the source is <a href="https://github.com/kewbish/cobweb">available on GitHub</a> should you wish to build from source. The checksum of the current version is <code style="word-break:break-all;">4fd1072cb48c5612abc5b8f980953521733db40538f361d2c56648c502706d18</code>.
 </p>
                 <a href="https://github.com/kewbish/cobweb" class="btn glassy-cw-btn mt-1" role="button">view source</a>
 </div>