Material Design Icons in LaTeX

\documentclass[margin=0pt, 12pt]{standalone} \usepackage{tikz} \usetikzlibrary{positioning, calc} \usepackage{fontspec} \usepackage{unicode-math} \setromanfont{TeX Gyre Termes} \setsansfont{TeX Gyre Heros} \setmonofont{TeX Gyre Cursor}[Ligatures=NoCommon] \setmathfont{TeX Gyre Termes Math} \newfontfamily\MaterialDesignIcons{Material Design Icons}[ % Extension = .ttf, % UprightFont = materialdesignicons-webfont, Renderer = OpenType ] \DeclareTextFontCommand{\texticon}{\MaterialDesignIcons\color{gray!80}} \begin{document} \begin{tikzpicture} \path (0, 0) node[align=center](Bank){{\Huge\texticon{ ^^^^^^0f0070 }} \\ Bank}; \path (8, 0) node[align=center](User){{\Huge\texticon{ ^^^^^^0f0004 }} \\ User}; \path (4, 2.4) node[align=center](Oracle){{\Huge\texticon{ ^^^^^^0f0ce3 }} \\ Oracle}; \path (4, 6) node[align=center](Blockchain){{\Huge\texticon{ ^^^^^^0f0d1c }} \\ Blockchain}; \draw[<-] ($(Bank.east) + (0, 0.1)$) -- ($(User.west) + (0, 0.1)$) node[midway, above] {(1) What is my balance?}; \draw[->] ($(Bank.east) - (0, 0.1)$) -- ($(User.west) - (0, 0.1)$) node[midway, below] {(2) Your balance is 100.}; \draw[->] (Oracle.north) -- (Blockchain.south) node[midway, right, align=center] {(3) I confirm the user's \\ balance is 100.}; \end{tikzpicture} \end{document}