papers/hanzo-checkout/sections/07-evaluation.tex

\section{Evaluation}


\subsection{Production Deployment}

Hanzo Checkout is deployed across 2,147 merchants with the following characteristics:

\begin{itemize}
    \item Total transaction volume: \$1.2B annually
    \item Peak throughput: 12,000 transactions/minute
    \item Average transaction value: \$87
    \item Geographic distribution: 47 countries
\end{itemize}

\subsection{Conversion Impact}

\begin{table}[h]
\centering
\caption{Checkout Conversion Rates}
\begin{tabular}{lcc}
\toprule
\textbf{Checkout Type} & \textbf{Conversion Rate} & \textbf{Improvement} \\
\midrule
Traditional (baseline) & 31.2\% & -- \\
Hanzo Standard & 41.8\% & +34.0\% \\
Hanzo One-Click & 45.9\% & +47.1\% \\
\bottomrule
\end{tabular}
\end{table}

\subsection{Cost Reduction}

Intelligent routing reduced average transaction fees:

\begin{equation}
\Delta fee = \frac{fee_{single} - fee_{orchestrated}}{fee_{single}} = 18.3\%
\end{equation}

\subsection{Reliability}

System availability over 12 months:

\begin{itemize}
    \item Uptime: 99.97\%
    \item Gateway failover success: 94.2\%
    \item Mean time to failover: 847ms
\end{itemize}