diff --git a/public/favicon.ico b/public/favicon.ico
index f3ae85b..89b950c 100644
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diff --git a/public/index.html b/public/index.html
index 265a2b9..68a722e 100644
--- a/public/index.html
+++ b/public/index.html
@@ -31,20 +31,25 @@
   </style>
   <link rel="stylesheet" href="https://unpkg.com/reveal.js@^4//dist/theme/black.css" id="theme">
   <style>
-  .reveal,  .reveal h1,  .reveal h2,  .reveal h3,  .reveal h4,  .reveal h5,  .reveal h6 
+  body {
+   font-family:  ui-sans-serif;
+  }
+  .reveal h1,  .reveal h2,  .reveal h3,  .reveal h4,  .reveal h5,  .reveal h6 
   {
-    font-family:"jetbrains-mono", "Times New Roman", Times;
+    font-family:"TruenoSemiBold", "ui-sans-serif";
   }
   @font-face{
-    font-family:jetbrains-mono;src:local("TruenoSemiBold"),
+    font-family:"TruenoSemiBold";
+    src:local("TruenoSemiBold"),
     url("./fonts/TruenoSemiBold.woff2") format("woff2");
+    font-weight: 600;
   }
   .black h2 {
     background-color: #020210;
   }
 
   .reveal ul {
-    list-style-type: "❯ ";
+    list-style-type: "- ";
   }
 
   .reveal .slides p {
@@ -64,21 +69,166 @@
 
 <section id="title-slide" data-background-image="./assets/logo.png" data-background-opacity="0.3" data-background-size="contain">
   <h1 class="title">Cardano Lightning</h1>
-  <p class="subtitle">xxx</p>
+  <p class="subtitle">Permissionless, near instant, highly scalable</p>
 </section>
 
 <section>
-<section id="the-problem" class="title-slide slide level2">
-<h2>The Problem</h2>
+<section id="problem" class="title-slide slide level2">
+<h2>Problem</h2>
 
 </section>
-<section id="payment-system" class="slide level3">
-<h3>Payment system</h3>
+<section id="payments" class="slide level3">
+<h3>Payments</h3>
+<ul>
+<li>A fundamental part of all commerce: payment.</li>
+</ul>
+</section>
+<section id="who" class="slide level3">
+<h3>Who?</h3>
+<p>There are three parties involved in a payment</p>
+<ul>
+<li>Consumer (ie payer)</li>
+<li>Provider (ie payee)</li>
+<li>Facilitator</li>
+</ul>
+<p>All of us are consumers, some are providers, a few are
+facilitators.</p>
+</section>
+<section id="what-users-want" class="slide level3">
+<h3>What users want</h3>
+<blockquote>
+<p>Users want secure, fast, low cost transactions</p>
+</blockquote>
+<p>However participants have different priorities, <em>eg</em></p>
+<ul>
+<li>Consumers want ease-of-use</li>
+<li>Providers want fast confirmation</li>
+<li>Facilitators need to handle at scale</li>
+</ul>
+</section>
+<section id="existing-systems-12" class="slide level3">
+<h3>Existing systems (1/2)</h3>
+<ul>
+<li>Cash: Permissionless, instant, scalable-ish (lots of people can use
+it at the same time, but only to pay people near them), questionable
+security (fraud happens).</li>
+<li>Bank transfer: Permissioned, some instant others very slow,
+scalable.</li>
+<li>Contactless/ Card: Permissioned, near instant, scalable</li>
+</ul>
+</section>
+<section id="section" class="slide level3">
+<h3>… (2/2)</h3>
+<ul>
+<li>Decentralised Ledger *: permissionless, maybe fast or scalable but
+generally not both.</li>
+</ul>
+<p><span style="font-size: small"> * There are many different designs of
+decentralised ledger, each with different choices and trade-offs. Some
+permissioned, some more decentralised than others, some faster,
+<em>etc</em>. </span></p>
+</section>
+<section id="market-size" class="slide level3">
+<h3>Market size</h3>
+<ul>
+<li><p>Contactless transactions will reach $11 trillion by 2027 <span
+style="font-size: small"> source : Juniper Research </span></p></li>
+<li><p>Market Cap for crypto : &gt; $3 trillion <span
+style="font-size: small"> source : coinmarketcap.com (Dec 2024)
+</span></p></li>
+</ul>
+</section>
+<section id="intersection" class="slide level3">
+<h3>Intersection</h3>
+<blockquote>
+<p>Can we have contactless like experience but permissionless.</p>
+</blockquote>
+</section>
+<section id="problem-statement" class="slide level3">
+<h3>Problem statement</h3>
+<p>We want a payment system that is:</p>
 <ol type="1">
-<li>Permissionless</li>
+<li>Permissionless and secure</li>
 <li>Near instant</li>
 <li>Highly scalable</li>
 </ol>
+</section>
+<section id="bitcoin-lightning-network" class="slide level3">
+<h3>Bitcoin Lightning Network?</h3>
+<p>In a lightning network:</p>
+<ul>
+<li>The network is fundamentally a set of channels, not a shared
+ledger.</li>
+<li>There is no need to reach consensus, or globally broadcasting
+state.</li>
+<li>Payments are routed across channels by participants.</li>
+<li>Speed of payment isn’t a global property, but a more local one.</li>
+</ul>
+<p>BLN does this and is the closest to meeting our aims.</p>
+</section>
+<section id="problems-with-bln" class="slide level3">
+<h3>Problems with BLN</h3>
+<p>However it has some issues:</p>
+<ul>
+<li>Large technical and resource overhead to use. Every user must run a
+node.</li>
+<li>Difficult to efficiently manage capital. Liquidity is required to
+enable payments to be routed across a network. Moving capital between
+channels requires multiple transactions.</li>
+</ul>
+</section></section>
+<section>
+<section id="solution" class="title-slide slide level2">
+<h2>Solution</h2>
+
+</section>
+<section id="cardano-lightning" class="slide level3">
+<h3>Cardano Lightning</h3>
+</section>
+<section id="design" class="slide level3">
+<h3>Design</h3>
+<ul>
+<li>A perturbation on BLN: its a Lightning Network</li>
+<li>Focused on addressing the key technical blockers to it being used as
+a day-to-day payment system.</li>
+</ul>
+</section>
+<section id="tailored-nodes" class="slide level3">
+<h3>Tailored Nodes</h3>
+<p>CL recognises a diversity users have a diversity of needs.</p>
+<ul>
+<li>For consumers we have a lightweight node, minimal resources, and
+runs on their phone.</li>
+<li>Some providers might be happy running their own servers, others
+wont. There’s a flexible CL node + SDK to suit a full spectrum of
+usecases.</li>
+</ul>
+</section>
+<section id="leveraging-cardano" class="slide level3">
+<h3>Leveraging Cardano</h3>
+<ul>
+<li><p>Cardano’s more powerful scripting language allows us to achieve
+more with less.</p></li>
+<li><p>In particular we can optimize capital allocation for
+nodes.</p></li>
+<li><p>For the facilitators, we have a node for efficient handling of
+many channels concurrently. Those with capital and wanting to put it to
+use become the facilitators. They receive income on the service they
+provide, each payment they facilitate in routing.</p></li>
+</ul>
+</section></section>
+<section>
+<section id="team" class="title-slide slide level2">
+<h2>Team</h2>
+
+</section>
+<section id="section-1" class="slide level3">
+<h3></h3>
+<ul>
+<li><span class="citation" data-cites="waalge">@waalge</span></li>
+<li><span class="citation" data-cites="paluh">@paluh</span></li>
+<li><span class="citation" data-cites="nhenin">@nhenin</span></li>
+</ul>
 </section></section>
     </div>
   </div>
diff --git a/src/header.html b/src/header.html
index b6dc689..a30bfce 100644
--- a/src/header.html
+++ b/src/header.html
@@ -1,18 +1,23 @@
 <style>
-.reveal,  .reveal h1,  .reveal h2,  .reveal h3,  .reveal h4,  .reveal h5,  .reveal h6 
+body {
+ font-family:  ui-sans-serif;
+}
+.reveal h1,  .reveal h2,  .reveal h3,  .reveal h4,  .reveal h5,  .reveal h6 
 {
-  font-family:"jetbrains-mono", "Times New Roman", Times;
+  font-family:"TruenoSemiBold", "ui-sans-serif";
 }
 @font-face{
-  font-family:jetbrains-mono;src:local("TruenoSemiBold"),
+  font-family:"TruenoSemiBold";
+  src:local("TruenoSemiBold"),
   url("./fonts/TruenoSemiBold.woff2") format("woff2");
+  font-weight: 600;
 }
 .black h2 {
   background-color: #020210;
 }
 
 .reveal ul {
-  list-style-type: "❯ ";
+  list-style-type: "- ";
 }
 
 .reveal .slides p {
diff --git a/src/index.md b/src/index.md
index 349c7ad..62b93f4 100644
--- a/src/index.md
+++ b/src/index.md
@@ -12,71 +12,80 @@ background-image: ./assets/background.svg
 background-opacity: "0.35"
 ---
 
-## The Problem
+## Problem
 
 ### Payments
 
-A fundamental part of commerce: payment. 
-There are three parties
+- A fundamental part of all commerce: payment. 
+
+### Who?
+
+There are three parties involved in a payment
 
 - Consumer (ie payer)
 - Provider (ie payee)
 - Facilitator
 
-These types of users require different functionality.
+All of us are consumers, some are providers, a few are facilitators.
 
-Important features: 
+### What users want
 
-- Security
-- Speed
-- Cost
+> Users want secure, fast, low cost transactions
 
-> People want secure, fast, low cost transactions
+However participants have different priorities, _eg_
 
-### Existing systems 
+- Consumers want ease-of-use
+- Providers want fast confirmation 
+- Facilitators need to handle at scale
+
+### Existing systems (1/2)
 
 - Cash: Permissionless, instant, scalable-ish (lots of people can use it at the same time, but only to pay people near them), 
 questionable security (fraud happens).
 - Bank transfer: Permissioned, some instant others very slow, scalable.
 - Contactless/ Card: Permissioned, near instant, scalable
+
+### ... (2/2)
+
 - Decentralised Ledger \*: permissionless, maybe fast or scalable but generally not both.
 
-\* : There are many different designs of decentralised ledger,
+<span style="font-size: small">
+\* There are many different designs of decentralised ledger,
 each with different choices and trade-offs. 
 Some permissioned, some more decentralised than others, some faster, _etc_.
+</span>
 
 ### Market size
 
-Near instant payments
 
-> Contactless transactions will reach $11 trillion by 2027
+- Contactless transactions will reach $11 trillion by 2027 <span style="font-size: small"> source : Juniper Research </span>
 
-source : Juniper Research
+- Market Cap for crypto : > $3 trillion <span style="font-size: small"> source : coinmarketcap.com (Dec 2024) </span>
 
-Permissionless systems:
+### Intersection
 
-> Market Cap for crypto : > $3 trillion 
+> Can we have contactless like experience but permissionless.
 
-source : coinmarketcap.com (Dec 2024)
+### Problem statement 
 
-### Permissionless Payment system 
+We want a payment system that is:
 
-Can we have contactless like experience but Permissionless?  
-
-1. Secure Permissionless
+1. Permissionless and secure
 2. Near instant 
 3. Highly scalable
 
-### Nearest solution: Bitcoin Lightning 
+### Bitcoin Lightning Network?
 
-Closest to meeting the aims. In a lightning network:
+In a lightning network:
 
 - The network is fundamentally a set of channels, not a shared ledger. 
 - There is no need to reach consensus, or globally broadcasting state. 
 - Payments are routed across channels by participants.
 - Speed of payment isn't a global property, but a more local one. 
 
-### BLN problems
+BLN does this and is the closest to meeting our aims. 
+
+### Problems with BLN
 
 However it has some issues:
 
@@ -85,7 +94,9 @@ However it has some issues:
 Liquidity is required to enable payments to be routed across a network. 
 Moving capital between channels requires multiple transactions.
 
-## The Solution: Cardano Lightning 
+## Solution
+
+### Cardano Lightning
 
 ### Design 
 
@@ -95,12 +106,19 @@ to it being used as a day-to-day payment system.
 
 ### Tailored Nodes
 
-CL recognises a diversity in user needs.
+CL recognises a diversity users have a diversity of needs.
 
-- Consumers want a super lightweight node, minimal resources, runs on their phone. 
-- Some businesses might be happy running their own servers, others wont. 
-The do need to integrate payments into their existing business operations. 
-- Those with capital and wanting to put it to use can setup as network routers. 
+- For consumers we have a lightweight node, minimal resources, and runs on their phone. 
+- Some providers might be happy running their own servers, others wont. 
+There's a flexible CL node + SDK to suit a full spectrum of usecases.
+
+### Leveraging Cardano
+
+- Cardano's more powerful scripting language allows
+us to achieve more with less. In particular we can optimize capital allocation for nodes.
+
+- For the facilitators, we have a node for efficient handling of many channels concurrently. 
+Those with capital and wanting to put it to use become the facilitators.
 They receive income on the service they provide, each payment they facilitate in routing. 
 
 ## Team
diff --git a/src/style.css b/src/style.css
index 66c00a3..b4b9fff 100644
--- a/src/style.css
+++ b/src/style.css
@@ -4,6 +4,6 @@
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     url('./fonts/TruenoSemiBold.woff') format('woff'),
     url('./fonts/TruenoSemiBold.ttf') format('ttf');
-  font-weight: 400;
+  font-weight: 100;
   font-style: normal;
 }