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Mention extortion in first paragraph and refunds with refresh

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Jeff Burdges 2016-09-12 14:37:34 +02:00
parent 7409a6d1b9
commit b1ec11e492
1 changed files with 13 additions and 15 deletions
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doc/paper/taler.tex
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@ -93,13 +93,15 @@ the citizen's needs for private economic activity.
\section{Introduction} \section{Introduction}
The design of payment systems shapes economies and societies. Strong, The design of payment systems shapes economies and societies. Strong,
developed nation states are evolving towards transparent payment developed nation states have adopted highly transparent payment systems,
systems, such as the MasterCard and VisaCard credit card schemes and such as the MasterCard and VisaCard credit card schemes and computerized
computerized bank transactions such as SWIFT. These systems enable bank transactions such as SWIFT. These systems enable mass surveillance
mass surveillance by both governments and private companies. Aspects by both governments and private companies. Aspects of this surveillance
of this government control benefit the economy, by enabling taxation sometimes benifit society by providing information about tax evasion or
(also called anti-money laundering). As a result, bribery and crimes like extortion. % TODO : anti-money laundering later?
corruption are limited to elites who can afford to escape the dragnet. In particular, bribery and corruption are limited to elites who can
afford to escape the dragnet.
At the other extreme, weaker developing nation states have economic At the other extreme, weaker developing nation states have economic
activity based largely on coins, paper money or even barter. Here, activity based largely on coins, paper money or even barter. Here,
the state is often unable to effectively monitor or tax economic the state is often unable to effectively monitor or tax economic
@ -109,10 +111,6 @@ widespread and not limited to social elites.
% %
ZeroCoin~\cite{miers2013zerocoin} is an example for translating an ZeroCoin~\cite{miers2013zerocoin} is an example for translating an
anarchistic economy into the digital realm. anarchistic economy into the digital realm.
% FIXME: Unclear referee comment :
% I didn’t understand why ZeroCoin is particularly suited for
% developing nations?
% => clarified: suited to model anarchistic economy.
This paper describes Taler, a simple and practical payment system for This paper describes Taler, a simple and practical payment system for
a modern social-liberal society, which is not being served well by a modern social-liberal society, which is not being served well by
@ -163,10 +161,10 @@ due to the obvious corrolation. A practical payment system must thus
support giving change in the form of spendable coins, say a \EUR{0,01} support giving change in the form of spendable coins, say a \EUR{0,01}
coin and a \EUR{50,00} coin. coin and a \EUR{50,00} coin.
Taler solves the problem of giving change by introducing a new {\em Taler solves the problem of giving change by introducing a new
refresh} protocol. Using this protocol, a customer can obtain {\em refresh protocol}. Using this protocol, a customer can obtain
change in the form of fresh coins that other parties cannot link to change or refunds in the form of fresh coins that other parties cannot
the original transaction, the original coin, or each other. link to the original transaction, the original coin, or each other.
Additionally, the refresh protocol ensures that the change is owned by Additionally, the refresh protocol ensures that the change is owned by
the same entity which owned the original coin. the same entity which owned the original coin.