<li><a href="https://download.wpsoftware.net/bitcoin/wizardry/brs-arbitrary-output-sizes.txt">Output size obfuscation for Bytecoin</a></li>
<li><a href="https://iwilcox.me.uk/2014/no-from-address">There Is No 'From' Address</a>
<li><a href="https://iwilcox.me.uk/2014/proving-bitcoin-reserves">Proving Your Bitcoin Reserves</a>
-<li><a href="http://blockstream.com/sidechains.pdf">Sidechains</a>
</ul>
Useful resources:
<ul>
<li><a href="https://github.com/citp/bitcoin-sok">Bitcoin systematization of knowledge</a>
<li><a href="http://freico.in/docs/freimarkets.pdf">Freimarkets: a bitcoin extension to support user issued assets, p2p lending, options and more.</a>
+<li><a href="http://blockstream.com/sidechains.pdf">Enabling Blockchain Innovations with Pegged Sidechains</a>
<li><a href="https://bitcoin.org/bitcoin.pdf">Bitcoin: A Peer-to-Peer Electronic Cash System</a></li>
</ul>