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-rw-r--r--doc/paper/taler.tex1
1 files changed, 1 insertions, 0 deletions
diff --git a/doc/paper/taler.tex b/doc/paper/taler.tex
index 3449bc043..fa6b34754 100644
--- a/doc/paper/taler.tex
+++ b/doc/paper/taler.tex
@@ -315,6 +315,7 @@ search costs become linear in the total value of all transactions.
%In principle, one could correct this by adding multiple denominations,
%an open problem stated already in~\cite{Camenisch05compacte-cash}.
% NO: he cannot give change, so that does not really work!
+% FIXME: Claim below needs to be substantiated!
As described, the scheme employs offline double spending protection,
which inherently makes it fragile and creates an unneccessary
deanonymization risk.