From ba1ff59b56cbc3946f70cafe6ed80c9aacc15afa Mon Sep 17 00:00:00 2001
From: Florian Dold <florian.dold@gmail.com>
Date: Mon, 25 Feb 2019 08:35:51 +0100
Subject: slides

---
 presentation/slides.tex | 59 +++++++++++++++++++++++++------------------------
 1 file changed, 30 insertions(+), 29 deletions(-)

diff --git a/presentation/slides.tex b/presentation/slides.tex
index eeb3f9a..9c90674 100644
--- a/presentation/slides.tex
+++ b/presentation/slides.tex
@@ -273,6 +273,34 @@ Byzantine \emph{Set-Union} Consensus
 
 %----------------------------
 
+\begin{frame}
+\frametitle{E-Cash features and trade-offs}
+  Some selected aspects (more in thesis)
+  \begin{enumerate}[<+- | alert@+>]
+    \item Online/Offline \uncover<+->{$\Rightarrow$ Online}
+      \begin{itemize}
+        \item Offline = After-the-fact double spending detection
+        \item Hard to enforce
+        \item Easy to do accidentally (failures / backups)
+      \end{itemize}
+    \item Change/Divisibility \uncover<+->{$\Rightarrow$ Multiple denominations, partial spending, change protocol}
+      \begin{itemize}
+        \item Real divisibility nice in theory.
+        \item In practice:  complex, trusted setup, multiple withdraw ``sizes''
+          needed anyway
+        \item Fixed denominations shown to be efficient in spending simulation
+      \end{itemize}
+    \item Transferability \uncover<+->{$\Rightarrow$ No!}
+      \begin{itemize}
+        \item Anti-feature, enables black markets / tax evasion!
+        \item Taler provides \emph{income transparency}, roughly the \emph{opposite}
+      \end{itemize}
+    %\item Atomic Swaps / Fair Exchange \uncover<+->{$\Rightarrow$ Supported, coin serial no. is public key}
+  \end{enumerate}
+\end{frame}
+
+%----------------------------
+
 \begin{frame}
 \frametitle{Live Demo}
   \vfill
@@ -339,33 +367,6 @@ Byzantine \emph{Set-Union} Consensus
 
 %----------------------------
 
-\begin{frame}
-\frametitle{E-Cash features and trade-offs}
-  Some selected aspects (more in thesis)
-  \begin{enumerate}[<+- | alert@+>]
-    \item Online/Offline \uncover<+->{$\Rightarrow$ Online}
-      \begin{itemize}
-        \item Offline = After-the-fact double spending detection
-        \item Hard to enforce
-        \item Easy to do accidentally (failures / backups)
-      \end{itemize}
-    \item Change/Divisibility \uncover<+->{$\Rightarrow$ Multiple denominations, partial spending, change protocol}
-      \begin{itemize}
-        \item Real divisibility nice in theory.
-        \item In practice:  complex, trusted setup, multiple withdraw ``sizes''
-          needed anyway
-        \item Fixed denominations shown to be efficient in spending simulation
-      \end{itemize}
-    \item Transferability \uncover<+->{$\Rightarrow$ No!}
-      \begin{itemize}
-        \item Anti-feature, enables black markets / tax evasion!
-        \item Taler provides \emph{income transparency}, roughly the \emph{opposite}
-      \end{itemize}
-    \item Atomic Swaps / Fair Exchange \uncover<+->{$\Rightarrow$ Supported, coin serial no. is public key}
-  \end{enumerate}
-\end{frame}
-
-%----------------------------
 
 \begin{frame}
 \frametitle{Making E-Cash Practical}
@@ -500,7 +501,7 @@ $\Rightarrow$ Naive refresh protocol enables tax evasion
   Compromise Scenarios (simplified):
   \begin{itemize}
     \item Exchange's denomination compromised $\Rightarrow$ denomination revoked,
-      customers use emergency payback protocol do recover funds
+      customers use emergency payback protocol to recover funds
     \item Exchange's signing key compromised $\Rightarrow$ signing key revoked,
       merchants compensated proportional to correct participation in deposit auditing
   \end{itemize}
@@ -847,7 +848,7 @@ game (non-negl.), then they can break some underlying assumption.
 \begin{frame}
 \frametitle{Funded/Ongoing Work}
   \begin{itemize}
-    \item Me:  Work on Taler PoS terminal for the next 6 month, supported
+    \item Me:  Work on Taler NFC / PoS terminal for the next 6 month, supported
       by German government grant (Prototype Fund)
     \item Taler Systems:  Employs 1 engineer (Marcello Stanisci), looking for funding!
   \end{itemize}
-- 
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