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Add paragraph about the range of monetary values. 

Signed-off-by: Daira Hopwood <daira@jacaranda.org>
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Daira Hopwood 2016-09-03 04:10:23 +01:00
parent 63893b9d1b
commit 170d78800a
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protocol/protocol.tex
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@ -3084,6 +3084,12 @@ distinct openings of the \noteCommitment when Condition I or II is violated.
because the paper did not take into account the need to encode compressed
$y$-coordinates. The fork of \libsnark used by \Zcash uses a different
format to upstream \libsnark, in order to follow \cite{IEEE2004}.
\item The range of monetary values differs. In \Zcash, this range is
$\range{0}{\MAXMONEY}$; in \Zerocash it is $\range{0}{2^{64}-1}$.
(The \joinSplitStatement still only directly enforces that the sum
of amounts in a given \joinSplitTransfer is in the latter range;
this enforcement is technically redundant given that the Balance
property holds.)
\end{itemize}