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papers/lux-zchain/sections/15-cryptographic-primitives.tex
zeekay abf99d05fc papers: reorganize into per-paper dirs, add Antje Worring as co-author
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Added Antje Worring as co-author on all papers.
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2026-04-18 21:50:07 -07:00

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\section{Cryptographic Primitives}
\subsection{zk-SNARK Parameters}
\textbf{Groth16 Setup}:
\begin{itemize}[leftmargin=1.1em]
\item Trusted setup ceremony: 256 participants
\item Powers of tau: $2^{22}$ (4.2M constraints)
\item Proving key: 1.8 GB
\item Verification key: 3.2 KB
\end{itemize}
\subsection{FHE Parameters}
\textbf{TFHE Configuration}:
\begin{itemize}[leftmargin=1.1em]
\item Security level: 128-bit (post-quantum)
\item Ciphertext size: 8 KB per encrypted integer
\item Bootstrap time: 15ms
\item Threshold: $t = 2/3$ of validators required for decryption
\end{itemize}