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@@ -50,6 +50,7 @@ Implementations of cool things:
 <li><a href="https://github.com/petertodd/timelock">Create a secret key that can be decrypted in a known amount of time using parallel-serial hash chains.</a></li>
 <li><a href="https://github.com/Blockstream/contracthashtool">Pay to Contract Hash calculator</a></li>
 <li><a href="https://github.com/vinumeris/lighthouse/blob/master/docs/Design%20doc.md">Lighthouse - simple SIGHASH_ANYONECANPAY multi-party payments</a></li>
+<li><a href="https://lists.linuxfoundation.org/pipermail/lightning-dev/2015-November/000344.html">The "Mysterious 57" scriptPubkey template which can only be spent by revealing its key.</a></li>
 </ul>
 
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