195 secret. Also transparent ballot boxes are often used in order

   195 secret. Also transparent ballot boxes are often used in order

   196 to easily detect and prevent vote stuffing (prefilling the

   196 to easily detect and prevent vote stuffing (prefilling the

   197 ballot box with false votes). 

   197 ballot box with false votes). 

   198 

   198 

   199 \begin{center}

   199 \begin{center}

   201 \end{center}

   201 \end{center}

   202 

   202 

   203 \noindent Another security mechanism is to guard the ballot

   203 \noindent Another security mechanism is to guard the ballot

   204 box against any tampering during the election until counting.

   204 box against any tampering during the election until counting.

   205 The counting needs to be done by a team potentially involving

   205 The counting needs to be done by a team potentially involving

   250 the whole system by having only access to a single machine.

   250 the whole system by having only access to a single machine.

   251 

   251 

   252 \begin{figure}[t]

   252 \begin{figure}[t]

   253 \begin{center}

   253 \begin{center}

   254 \begin{tabular}{c}

   254 \begin{tabular}{c}

   258 \end{tabular}

   258 \end{tabular}

   259 \end{center}

   259 \end{center}

   260 \caption{Direct-Recording Electronic voting machines above;

   260 \caption{Direct-Recording Electronic voting machines above;

   261 an optical scan machine below.\label{machines}}

   261 an optical scan machine below.\label{machines}}

   262 \end{figure}

   262 \end{figure}