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Clarify the wording of the abstract.
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
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@ -1666,21 +1666,20 @@ electronic commerce and payment, financial privacy, proof of work, zero knowledg
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\begin{abstract}
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\normalsize \noindent \textbf{Abstract.}
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\Zcash is an implementation of the \term{Decentralized Anonymous Payment}
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scheme \Zerocash, with security fixes and adjustments
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to terminology, functionality and performance. It bridges the existing
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transparent payment scheme used by \Bitcoin with a
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\emph{shielded} payment scheme secured by zero-knowledge succinct
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non-interactive arguments of knowledge (\zkSNARKs). It attempts to
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address the problem of mining centralization by use of the Equihash
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scheme \Zerocash, with security fixes and improvements to performance and
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functionality. It bridges the existing transparent payment scheme used by
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\Bitcoin with a \emph{shielded} payment scheme secured by zero-knowledge
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succinct non-interactive arguments of knowledge (\zkSNARKs). It attempted
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to address the problem of mining centralization by use of the Equihash
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memory-hard proof-of-work algorithm.
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\vspace{1.5ex}
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\sprout{\noindent This specification defines the \Zcash consensus protocol and explains
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its differences from \Zerocash and \Bitcoin.}
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\sapling{\noindent This \em{draft} specification defines the next
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upgrade of the \Zcash consensus protocol, codenamed \NUZero, and the
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subsequent upgrade, codenamed \Sapling. It is a work in progress
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and should not be used as a reference for the current protocol.}
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\sapling{\noindent This specification defines the \Zcash consensus protocol
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at launch; after the upgrade codenamed \NUZero; and after the
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subsequent upgrade codenamed \Sapling. It is a work in progress.
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Protocol differences from \Zerocash and \Bitcoin are also explained.}
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\vspace{2.5ex}
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\noindent \textbf{Keywords:}~ \StrSubstitute[0]{\keywords}{,}{, }.
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@ -9169,6 +9168,7 @@ Peter Newell's illustration of the Jubjub bird, from \cite{Carroll1902}.
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\item Improve cross-referencing.
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\item Change the notation for a multiplication constraint in \crossref{circuitdesign} to avoid
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potential confusion with cartesian product.
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\item Clarify the wording of the abstract.
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\item Add the Jubjub bird image to the title page. This image has been edited from a scan of
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Peter Newell's original illustration (as it appeared in \cite{Carroll1902}) to remove the
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background and Bandersnatch, and to restore the bird's clipped right wing.
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