\section{KYC/AML: Pull Payment}

\begin{figure}[h!]
  \begin{center}
\begin{tikzpicture}[node distance=0.9cm,font=\sffamily,
    start/.style={rectangle, rounded corners, minimum width=3cm, minimum height=1cm,text centered, draw=black, fill=yellow!30},
    end/.style={rectangle, rounded corners, minimum width=3cm, minimum height=1cm,text centered, draw=black, fill=red!30},
    process/.style={rectangle, minimum width=3cm, minimum height=1cm, text centered, draw=black, fill=orange!30},
    failed/.style={rectangle, rounded corners, minimum width=3cm, minimum height=1cm, text centered, draw=black, fill=red!30},
    io/.style={trapezium, trapezium left angle=70, trapezium right angle=110, minimum width=3cm, minimum height=1cm, text centered, draw=black, fill=blue!30},
    decision/.style={diamond, minimum width=3cm, minimum height=1cm, text centered, draw=black, fill=green!30},
    arr/.style={very thick,-latex},
    every edge quotes/.style = {auto, font=\footnotesize, sloped}
    ]
 \node (start) [start] {Start};
 \node (wallet) [decision,below=of start,text width=2.5cm] {Wallet linked to (domestic) phone number?};
 \node (domestic) [process, right=of wallet] {Validate phone number};
 \node (amount) [decision, below=of wallet,text width=2.5cm] {Wallet received less than KYC threshold from other wallets?};
 \node (kyc) [process, right=of amount] {KYC process};
 \node (high) [decision, below=of amount,text width=2.5cm] {Wallet received more than its AML threshold?};
 \node (aml) [process, right=of high] {AML process};
 \node (dummy) [below right=of aml] {};
 \node (allow) [end, below right=of dummy] {Allow invoicing};
 \node (deny) [failed, right=of kyc] {Deny};
 \draw[arr] (start) -> (wallet) {};

 \draw[arr] (wallet) -> (amount);
 \draw (wallet) edge["Yes"] (amount);

 \draw[arr] (wallet.east) -> (domestic);
 \draw (wallet.east) edge["No"] (domestic);

 \draw[arr] (domestic) -> (amount);
 \draw (domestic) edge["Confirmed"] (amount);

 \draw[arr] (domestic) -> (deny);
 \draw (domestic) edge["Failed"] (deny);

 \draw[arr] (amount) -> (high);
 \draw (amount) edge["Yes"] (high);

 \draw[arr] (amount.east) -> (kyc);
 \draw (amount.east) edge["No"] (kyc);

 \draw[arr] (kyc) -> (deny);
 \draw (kyc) edge["Failed"] (deny);

 \draw[arr] (kyc) -> (high);
 \draw (kyc) edge["Succeeded"] (high);

 \draw[arr] (high.south) -> (allow);
 \draw (high.south) edge["Yes"] (allow);

 \draw[arr] (high.east) -> (aml);
 \draw (high.east) edge["No"] (aml);

 \draw[arr] (aml) -> (deny);
 \draw (aml) edge["Violation"] (deny);

 \draw[arr] (aml) -> (allow);
 \draw (aml) edge["Ok"] (allow);
\end{tikzpicture}
  \end{center}
  \caption{Regulatory process when receiving payments from another wallet.
    The threshold depends on the risk profile from the KYC process.
    When invoicing is denied the wallet cannot generate the invoice.}
\end{figure}


\begin{table}[h!]
  \caption{Settings for the pull payment trigger}
  \begin{tabular}{l|l|r}
    {\bf Setting}             & {\bf Type}      & {\bf Value} \\ \hline \hline
    Permitted phone numbers   & Dialing prefix  & {\em +41} \\
    P2P KYC threshold         & Amount          & {\em  100 CHF} \\
    Default P2P AML threshold & Amount          & {\em 1000 CHF} \\
  \end{tabular}
\end{table}