error

1 files changed, 12 insertions, 2 deletions

diff --git a/presentation/slides.tex b/presentation/slides.tex
index 038301f..367d929 100644
--- a/presentation/slides.tex
+++ b/presentation/slides.tex
@@ -457,12 +457,22 @@ $\Rightarrow$ Naive refresh protocol enables tax evasion
 
 \begin{frame}
 \frametitle{Emergency Payback Protocol}
-  A denomiation with coin value $v$ that issued $n$ legitimate coins is revoked.
+  A denomiation $D$ with coin value $v$ that issued $n$ legitimate coins is revoked.
   \begin{itemize}
     \item Freshly withdrawn coins are returned to source reserve (customer shows withdraw transcript)
+    \item Partially spent coins can be refreshed into non-revoked denomination.
+    \item Refreshes on revoked coins can be ``reversed'' to obtain funds again.
   \end{itemize}
 
+  \vfill
+
+  \vfill
+
+  Revocation triggered after seeing $n+1$ pairwise different $D$-coins, payback for at most $n$ coins.
+  
   $\Rightarrow$ Financial loss of the exchange limited to $2nv$.
+
+  $\Rightarrow$ Anonymity of customer preserved (one exception can be fixed with perf tradeoff)
 \end{frame}
 
 %----------------------------
@@ -515,7 +525,7 @@ $\Rightarrow$ Naive refresh protocol enables tax evasion
 %----------------------------
 
 \begin{frame}
-\frametitle{Implementation Design Decisions}
+\frametitle{Implementation Overview}
 \end{frame}
 
 %----------------------------