papers/hanzo-digital-securities-integration/sections/02-architecture-overview.tex

\section{Architecture Overview}

\label{sec:architecture}
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\begin{figure}[htbp]
\centering
\begin{tikzpicture}[
    node distance=1.2cm and 2cm,
    box/.style={draw, rounded corners, minimum width=3cm,
                minimum height=0.8cm, font=\small},
    hanzo/.style={box, fill=black!8},
    arca/.style={box, fill=white},
    ext/.style={box, fill=black!3, dashed},
    arr/.style={->, >=stealth, thick}
]
    % Hanzo layer
    \node[hanzo] (iam) {Hanzo IAM};
    \node[hanzo, right=of iam] (kms) {Hanzo KMS};
    \node[hanzo, below=of iam] (base) {Hanzo Base};
    \node[hanzo, right=of base] (gw) {Hanzo Gateway};
    \node[hanzo, below=of gw] (hooks) {Hanzo Webhooks};

    % ArcaLabs layer
    \node[arca, below=2cm of iam] (onboard) {Investor Onboarding};
    \node[arca, right=of onboard] (trade) {Trade Engine};
    \node[arca, below=of onboard] (custody) {MPC Custody};
    \node[arca, right=of custody] (report) {Reporting};

    % External
    \node[ext, left=of onboard] (simplici) {Simplici KYC};
    \node[ext, right=of trade] (ats) {the regulated ATS};
    \node[ext, below=of custody] (lux) {Lux C-Chain};

    % Arrows
    \draw[arr] (onboard) -- (iam);
    \draw[arr] (onboard) -- (simplici);
    \draw[arr] (custody) -- (kms);
    \draw[arr] (trade) -- (gw);
    \draw[arr] (trade) -- (ats);
    \draw[arr] (report) -- (base);
    \draw[arr] (report) -- (hooks);
    \draw[arr] (custody) -- (lux);

    % Labels
    \node[above=0.3cm of iam, font=\small\bfseries, xshift=1.5cm]
        {Hanzo Platform};
    \node[above=0.3cm of onboard, font=\small\bfseries, xshift=1.5cm]
        {ArcaLabs Services};
\end{tikzpicture}
\caption{ArcaLabs digital securities architecture on Hanzo platform}
\label{fig:architecture}
\end{figure}

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