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current/syllabus/7-Polkadot/Light-clients-and-unstoppable-apps/Light-clients-and-unstoppable-apps-slides.html

@@ -250,13 +250,12 @@ <h4>Frontrunning problem</h4>
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 ### Real-life example
 
-<video controls width="100%">
-    <source src="./img/LightClients.mp4" type="video/mp4">
-    Sorry, your browser doesn't support embedded videos.
-</video>
+<img src="./img/Lc3.png" />
+
+http://tinyurl.com/fast-and-light
 
 <aside class="notes"><p>&quot;Slow internet connections&quot;: lets see a real-life example.
-Time: Polkadot decoded 2022; Stage: Co-founder of Talisman wallet, Jonathan Dunne, takes the stage demo of our Light client solution (smoldot) is integrated in the wallet, and what are the benefits - using a very &quot;questionable internet connection&quot; which had a very bad day due to way-too-many-connected people;
+Time: Polkadot decoded 2022; Stage: Co-founder of Talisman wallet, Jonathan Dunne, takes the stage demo of our Light client solution (smoldot) is integrated in the Talisman wallet, and what are the benefits - using a very &quot;questionable internet connection&quot; which had a very bad day due to way-too-many-connected people;
 Once the <a href="https://www.talisman.xyz/">talisman wallet</a> loads up, pay attention to the spinners - Polkadot is loading with a light client while Kusama with the usual JSON-RPC method</p>
 <p>Full video: <a href="https://tinyurl.com/decoded-talisman-light-client">https://tinyurl.com/decoded-talisman-light-client</a></p>
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@@ -671,7 +670,12 @@ <h1>Smoldot<h1>
 
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+</p>
+</script></section><section ><section data-markdown><script type="text/template">
+<img src="./img/Lc1.png" />
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+<img src="./img/Lc2.png" />
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 #### Known vulnerabilities
 
 - Eclipse attacks (Full node & Light client)
@@ -686,9 +690,9 @@ <h1>Smoldot<h1>
 <aside class="notes"><p>Stay with me - the next is the last but not the easiest part:</p>
 <ul>
 <li><p><strong>Eclipse attacks (full nodes and light clients both affected)</strong>.
-Blockchain is a P2P network - and Smoldot tries to connect to a variety of nodes of this network (from the bootnodes).
+Blockchain is a P2P network - and Smoldot tries to connect to a variety of nodes of this network.
 Imagine if all these nodes were to refuse sending data back, that would isolate smoldot from the network - The way that smoldot learns which nodes exist (GOSSIP) is from the nodes themselves (bootnodes).
-If smoldot is only ever connected to malicious nodes, it won&#39;t ever be able to reach non-malicious nodes - if the list of bootnodes only contains malicious nodes, smoldot will never be able to reach any non-malicious node.
+If smoldot is only ever connected to malicious nodes, it won&#39;t ever be able to reach non-malicious nodes
 If the list of bootnodes contains a single honest node, then smoldot will be able to reach the whole network.
 !!! this attack is effectively a denial-of-service, as it will prevent smoldot from accessing the blockchain!</p>
 </li>