From 798beba554c697796964f177a1c92cce0524e53f Mon Sep 17 00:00:00 2001
From: Florian Dold <florian.dold@gmail.com>
Date: Tue, 22 Aug 2017 00:12:43 +0200
Subject: add Christian's suggestions

---
 comparison/comparison.tex | 49 ++++++++++++++++++++++++++---------------------
 1 file changed, 27 insertions(+), 22 deletions(-)

(limited to 'comparison')

diff --git a/comparison/comparison.tex b/comparison/comparison.tex
index af8c9dc..cbcb4c4 100644
--- a/comparison/comparison.tex
+++ b/comparison/comparison.tex
@@ -49,43 +49,49 @@
 %
 % \rot{Withdrawal cost} & \rot{Deposit cost} &
 \rot{Trustless anonymity} &
-\rot{Realistic exchange storage} &
-\rot{Cryptographic batching} &
+\rot{Storage for wallet} &
+\rot{Storage for exchange} &
 %
 \rot{Change/Divisibility} &
 \rot{Receipts \& Refunds}
 \\ \hline
-Digicash \cite{chaum1983,schoenmakers1997security}
+Chaum \cite{chaum1983}
 & 1983 & P
 &  \Y & \Y & \Y
-&  \N &  S & \N
+&  \N &  S & \Y
 % &  $\log n$ & $\log n$ 
-&  \Y & \Y & \N 
+&  \Y & $\log n$ & $\log n$
+&  \N & \N
+\\
+DigiCash \cite{schoenmakers1997security}
+& 1990 & P
+&  \Y & \Y & \Y
+&  \N &  S & \N
+&  \Y & $\log n$ & $\log n$
 &  \N & \N
 \\
 Offline Chaum \cite{chaum1990}
 & 1990 & ?
-&  \N & \N & %?
+&  \N & \N & ?
 &  \N &  S & \N
 % &  $\log n$ & $\log n$ 
-&  \Y & \Y & \N
+&  \Y & $\log n$ & $\log n$
 &  \N & \N
 \\
 Tracz \cite{tracz2001} % HINDE
 & 2001 & E
-&  \Y & \Y & %?
+&  \Y & \Y & ?
 &  \N  &  S & \N
 % &  $\log n$ & $\log n$ 
-&  \Y & \Y & \N 
-&  ON & \N
+&  \Y & $\log n$ & $\log n$
+&  Onl. & \N
 \\
 Compact \cite{camenisch2005}
 & 2005 & \N
-&  \N & \N & %?
+&  \N & \N & ?
 &  \N &  S & \N
-% &  $\log n$ & $\log n$ 
-&  \Y & \N & W % We're guessing trustless anonymity because not trusted setup
-& OFF & \N
+&  \Y & $\log n$ & $n$ % We're guessing trustless anonymity because not trusted setup
+& Off. & \N
 % \\
 % Martens \cite{maertens2015}
 % & 2015 & \N
@@ -97,19 +103,18 @@ Compact \cite{camenisch2005}
 \\
 Divisible \cite{pointcheval2017}
 & 2017 & \N
-&  \N & \N & %?
+&  \N & \N & ?
 &  \N &  S & \N
-% &  $\log n$ & $\log n$ 
-&  \N & \N & WD
-& OFF & \N
+&  \N & $1$ & $n$
+& Off. & \N
 \\
 Taler
 & 2017 & FS
 &  \Y & \Y & \Y
 &  \N &  S & \Y
 % &  $\log n$ & $\log n$ 
-&  \Y & \Y & \N 
-&  ON & \Y
+&  \Y & $\log n$ & $\log n$
+&  Onl. & \Y
 % \\
 % Compact Taler & \N
 % &  \Y & \Y & \Y
@@ -176,8 +181,8 @@ Taler
     for their anonymity properties. 
   \item \textbf{Change/Divisibility.}
     Can customers pay without possessing exact change?  If so, is it handled
-    by giving change online (ON) or by divisible coins that support offline
-    operation (OFF)?
+    by giving change online (Onl.) or by divisible coins that support offline
+    operation (Off.)?
   \item \textbf{Receipts \& Refunds.}
     The customer either can prove that they payed for
     a contract, or they can get their (unlinkable) money back,
-- 
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