exchange

commit dd3c65318f5ee4d13c70a2cceedc434c2005d9ec
parent e00fb6751b9b01c42c90a9aaaf8fe5c769622269
Author: Christian Grothoff <christian@grothoff.org>
Date:   Tue, 25 Oct 2016 14:40:20 +0200

clarify spending requirements

Diffstat:
M
doc/paper/taler.tex
 | 
4
+++-

1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/doc/paper/taler.tex b/doc/paper/taler.tex
@@ -526,7 +526,9 @@ private key of the coin, making him the \emph{owner} of the coin.  Due
 to the use of blind signatures, the exchange does not even learn the
 public key during the withdrawal process.  If the private key is
 shared with others, they become co-owners of the coin.  Knowledge of
-the private key of the coin enables the owner to spent the coin.
+the private key of the coin and the signature over the coin's public
+key by an exchange's denomination key enables the owner to spent the
+coin.
 
 
 % \subsection{Coin spending}