Customize font for tikzposter block title

Question

What is the best way to customize the font style (e.g., use sans serif or bold or a different font than the text) for the title of a block in tikzposter?

I can't find any option in the documentation, even with \defineblockstyle. Unless I can alter the font style for the blocktitle tikz node?

Here's a MWE

\documentclass{tikzposter}
\usepackage{lipsum}

\title{Title}
\author{Pinco Pallino}
\institute{Boh}

\begin{document}
\maketitle

\block{How to make this sans serif?}{
\lipsum
}
\end{document}

Answer 1

You can patch the block like this:

\documentclass{tikzposter}
\usepackage{lipsum}

\title{Title}
\author{Pinco Pallino}
\institute{Boh}

\usepackage{xpatch}
\xpatchcmd{\block}{\bf\LARGE\color{blocktitlefgcolor}}{\sffamily\bfseries\LARGE\color{blocktitlefgcolor}}{}{}


\begin{document}
\maketitle

\block{How to make this sans serif?}{
\lipsum
}
\end{document}