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Do not start sentense with lowercase k

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Jeff Burdges 2016-11-07 17:37:00 +01:00
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doc/paper/taler.tex
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@ -277,19 +277,20 @@ Chaum's original digital cash system~\cite{chaum1983blind} was
extended by Brands~\cite{brands1993efficient} with the ability to {\em extended by Brands~\cite{brands1993efficient} with the ability to {\em
divide} coins and thus spend certain fractions of a coin using divide} coins and thus spend certain fractions of a coin using
restrictive blind signatures. Restrictive blind signatures create restrictive blind signatures. Restrictive blind signatures create
privacy risks: if a transaction is interrupted, then any coins sent to privacy risks: if a transaction is interrupted, then any coins sent
the merchant become tainted, but may never arrive or be spent. It to the merchant become tainted, but may never arrive or be spent.
becomes tricky to extract the value of the tainted coins without It becomes tricky to extract the value of the tainted coins without
linking to the aborted transaction and risking deanonymization. linking to the aborted transaction and risking deanonymization.
Ian Goldberg's HINDE system allowed the merchant to provide change, Ian Goldberg's HINDE system allowed the merchant to provide change,
but the mechanism could be abused to hide income from but the mechanism could be abused to hide income from
taxation.\footnote{Description based on personal communication. HINDE taxation.\footnote{Description based on personal communication. HINDE
was never published.} $k$-show was never published.}
signatures~\cite{brands1993efficient} were proposed to achieve In \cite{brands1993efficient}, $k$-show signatures were proposed to
divisibility for coins. However, with $k$-show signatures multiple achieve divisibility for coins. However, with $k$-show signatures
transactions can be linked to each other. Performing fractional multiple transactions can be linked to each other.
payments using $k$-show signatures is also rather expensive. Performing fractional payments using $k$-show signatures is also
rather expensive.
% %
%Some argue that the focus on technically perfect but overwhelmingly %Some argue that the focus on technically perfect but overwhelmingly