\documentclass{beamer}
\usepackage[size=a1,scale=1.8,orientation=portrait]{beamerposter}
\usetheme{LLT-poster}
\usecolortheme{ConspiciousCreep}

\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
\usepackage{mathpazo}
\usepackage[scaled=.92]{helvet}
\usepackage[scaled=.87]{beramono}

\author[liantze@gmail.com]{Lim Lian Tze}
\title{A Giant Poster with \texttt{beamerposter}}

\begin{document}
\begin{frame}

\begin{block}{Introduction}
Hello?
\end{block}

\end{frame}
\end{document}