diff --git a/index.html b/index.html
index 3fe0c83..3286693 100644
--- a/index.html
+++ b/index.html
@@ -386,37 +386,69 @@
         <h1>Money</h1>
         <div class="coins">
           <i class="cc BTC"></i>
+          <i class="cc DASH"></i>
+          <i class="cc XMR"></i>
+          <i class="cc LTC"></i>
         </div>
-        <div class="notes">Blockchains are pretty great as money. Bitcoin specifically is only anonymous, not fully private, but there are ways to improve that. Blockchains' value as money is at the heart of its incentives. Private blockchains that don't try to be money face serious challenges.</div>
+        <div class="notes">Blockchains are pretty great as money. Bitcoin specifically is only anonymous, not fully private, but there are ways to improve that. Blockchains' value as money is at the heart of their incentives. Private blockchains that don't try to be money face serious challenges.</div>
       </section>
 
       <section>
         <h1>Verifiable Data</h1>
+        <div class="coins">
+          <i class="cc BTC"></i>
+          <i class="cc FCT"></i>
+          <i class="cc SIA"></i>
+          <i class="cc MAID"></i>
+          <i class="cc SJCX"></i>
+          <i class="cc NXT"></i>
+        </div>
         <div class="notes">Embedding a hash in the blockchain demonstrates an item's existence at point in the past.
+
+        (Bitcoin, Factoids, Sia, Maidsafe, Storj, NXT)
         </div>
       </section>
 
       <section>
         <h1>Identity</h1>
+        <div class="coins">
+          <i class="cc NMC"></i>
+        </div>
         <div class="notes">DNS
+
+        (Namecoin)
         </div>
       </section>
 
       <section>
         <h1>Digital Assets</h1>
-        <div class="notes">Instead of monetary value, we can treat blockchain tokens as deeds, and use the blockchain as a decentralized register of ownership.</div>
+        <div class="coins">
+          <i class="cc BTC"></i>
+          <i class="cc LBC-alt"></i>
+          <i class="cc NXT"></i>
+        </div>
+        <div class="notes">Instead of monetary value, we can treat blockchain tokens as deeds, and use the blockchain as a decentralized register of ownership.
+
+        (Bitcoin, LBRY, NXT)
+        </div>
       </section>
 
       <section>
         <h1>Smart Contracts</h1>
+        <div class="coins">
+          <i class="cc ETH"></i>
+          <i class="cc XCP"></i>
+        </div>
         <div class="notes">We can attach scripts to blockchain tokens, and the network will execute the script to find out who the money belongs to. This enables the creation of self-executing contracts and complicated financial arrangements.
+        (Ethereum, Counterparty)
         </div>
       </section>
 
       <section>
         <h1>Further reading:</h1>
-        <ul>
+        <ul style="font-size: 0.6em">
           <li><a href="http://money.visualcapitalist.com/infographic-the-properties-of-money/">Infographic: The Properties of Money</a></li>
+          <li><a href="https://www.youtube.com/channel/UCNcSSleedtfyDuhBvOQzFzQ/feed">Bitcoin and Cryptocurrency Technologies</a></li>
         </ul>
       </section>
 
@@ -430,10 +462,10 @@
           <li><a href="https://www.flickr.com/photos/imtfi/5875765289"><img src="styles/money-transaction.jpg" alt="" class="thumbnail">Institute for Money, Technology and Financial Inclusion, Flickr</a></li>
           <li><a href="https://www.flickr.com/photos/106853342@N04/10721964235"><img src="styles/shell-money.jpg" alt="" class="thumbnail">Australian DFAT photo library, Flickr</a></li>
 <!--          <li><a href="https://commons.wikimedia.org/wiki/File:The_Velveteen_Rabbit_pg_37.jpg"><img src="styles/make-it-real.png" alt="" class="thumbnail">Velveteen Rabbit, Margery Williams 1922</a></li>-->
-          <li><a href="https://www.flickr.com/photos/ammichaels/7159593410"><img src="styles/hashbrowns.jpg" alt="" class="thumbnail">cheeseslave, Flickr</a></li>
+          <li><a href="https://www.flickr.com/photos/ammichaels/7159593410"><img src="styles/hashbrowns.jpg" alt="" class="thumbnail">based on image by cheeseslave, Flickr</a></li>
           <li><a href="https://www.flickr.com/photos/43896901@N00/6102490914"><img src="styles/gold-panning.jpg" alt="" class="thumbnail">Jean-François Gornet, Flickr</a></li>
           <li>Emoji art supplied by <a href="http://emojione.com/">EmojiOne</a></li>
-          <li>Cryptocurrency icons by <a href="https://github.com/Bohdat/cryptocurrency_icons">Bohdat, Github</a></li>
+          <li>Cryptocurrency icons by <a href="http://labs.allienworks.net/icons/cryptocoins/">Allienworks</a></li>
         </ul>
       </section>
 
diff --git a/styles/blockchain.css b/styles/blockchain.css
index 4b54bf2..ba588d4 100644
--- a/styles/blockchain.css
+++ b/styles/blockchain.css
@@ -60,7 +60,7 @@ table.yesnomaybe .maybe {
   margin-top: 0.5em;
 }
 
-.coins > img {
-  height: 1.5em;
-  width: auto;
+.coins > i {
+  display: inline-block;
+  font-size: 1.5em;
 }