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Merge branch 'master' of git+ssh://taler.net/exchange

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Christian Grothoff 2016-11-11 15:46:12 +01:00
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@ -1174,14 +1174,15 @@ deanonymize citizens.
\subsection{Offline Payments} \label{sec:offline} \subsection{Offline Payments} \label{sec:offline}
Chaum's original proposals for anonymous digital cash avoided the need Anonymous digital cash schemes since Chaum were frequently designed
for online interactions with the exchange to detect double spending by to allow the merchant to be offline during the transaction,
providing a means to deanonymize customers involved in by providing a means to deanonymize customers involved in
double-spending. This is problematic as the exchange or the merchant double-spending. We consider this problematic as either the
still need out-of-band means to recover funds from the customer, which exchange or the merchant still requires an out-of-band
may be infeasible in practice. Furthermore, a customer may means to recover funds from the customer, an expensive and
accidentally deanonymize himself, for example by double-spending a unreliable proposition. Worse, there are unacceptable risks that
coin after restoring from backup. a customer may accidentally deanonymize herself, for example by
double-spending a coin after restoring from backup.
\subsection{Merchant Tax Audits} \subsection{Merchant Tax Audits}