\def\hs{\hspace{0.4 cm}}

\documentclass[aspectratio=169,usenames,dvipsnames]{beamer}

\usetheme{lined}
\usecolortheme{beaver}
\setbeamertemplate{footline}[default]
%\beamertemplatenavigationsymbolsempty

\title{\Huge Miniscript\\ \large Safe and Standard Wallets}
\author{
}
\date{
    \includegraphics[scale=0.15]{blockstream-1.png}
}

\usepackage{colortbl}
\usepackage{multirow}
\usepackage{tikz}
\usepackage{graphicx}

\tikzset{
    every node/.style = {
        shape=rectangle,
        rounded corners,
        draw,
        top color = white,
        label distance=-0.5ex,
    },
    comb/.style = { bottom color = blue!20 },
    term/.style = { bottom color = red!50 },
    B/.style = { label = {below:\tiny B} },
    K/.style = { label = {below:\tiny K} },
    V/.style = { label = {below:\tiny V} },
    W/.style = { label = {below:\tiny W} },
}

\newcommand{\outpoint}[3]{
    \framebox{
        \texttt{\hash{#1}#2\color{black!60}:#3}
    }
}
\newcommand{\txout}[3]{
    \framebox{\parbox{10em}{
        #1 BTC\\
        \texttt{\hash{#2}#3}
    }}
}
\newcommand{\hash}[9]{\texttt{\color{black!60}#1\color{black!55}#2\color{black!50}#3\color{black!45}#4\color{black!35}#5\color{black!25}#6\color{black!15}#7\color{black!10}#8\color{black!5}#9}}
\newcommand{\witstack}[4]{
    \framebox{\parbox{10em}{
        \texttt{\hash{#1}#2}
    }}
    \framebox{\parbox[t][8em]{10em}{\texttt{
        ~\\
        \alert{#3}\\
        #4
    }}}
}

\setlength{\fboxsep}{1ex}
\begin{document}
\frame{ \maketitle }

\frame
{
    \frametitle{-}
    \begin{itemize}
    \item 1Lsbc1NQ6jgLovgwzDmkobV8HocTVghimp\\~\\
    \item 3FdNzkJmdX7bWDYKvAZnv1VKQ4PvPobCib\\~\\
    \item bc1q2s2kgmf244jmx3exkst94lssum520grsjewxkk
    \end{itemize}
}

\frame
{
    \frametitle{-}
    \texttt{\small
        pk$_1$ CHECKSIG\\
        ~~ NOTIF SIZE 32 EQUALVERIFY SHA256 \hash{e3729fc2}0045e8b5 EQUALVERIFY ENDIF\\
        ~~ pk$_2$ CHECKSIG NOTIF pk$_3$ CHECKSIGVERIFY ENDIF\\
        ~~ IF pk$_4$ CHECKSIG ELSE 1000 CSV ENDIF
    }
}

\frame
{
    \frametitle{-}
    \begin{center}
    \begin{tikzpicture}[
        level 1/.style = {sibling distance=20em},
        level 2/.style = {sibling distance=10em},
        level 3/.style = {sibling distance=5em},
    ]
        \node[comb,B] {AND\textsubscript{v}}
            child { node[comb,V] {OR\textsubscript{c}}
                child { node[term,B] {c:pk$_1$} }
                child { node[term,V] {jv:sha256(\texttt{e3729fc20045e}...)} }
            }
            child { node[comb,B] {AND\textsubscript{v}}
                child { node[comb,V] {OR\textsubscript{c}}
                    child { node[term,B] {c:pk$_2$} }
                    child { node[term,V] {vc:pk$_3$} }
                }
                child { node[comb,B] {OR\textsubscript{i}}
                    child { node[term,B] {c:pk$_4$} }
                    child { node[term,B] {older(1000)} }
                }
            };
    \end{tikzpicture}
    \end{center}
}

\frame
{
    \frametitle{-}

\begin{center}
    \begin{minipage}[c]{0.4\textwidth}
        \textbf{Key Management\\~\\}
        \begin{itemize}
        \item What is the script?\\~\\
        \item Is it secure?\\~\\
        \item What keys do I need?\\~\\
        \item What will it cost?
        \end{itemize}
    \end{minipage}
    \begin{minipage}[c]{0.4\textwidth}
        \textbf{Interoperability\\~\\}
        \begin{itemize}
        \item Can I use a new device?\\~\\
        \item Does my policy fit into the big picture?\\~\\
        \item Can I securely multisign/coinjoin with heterogeneous setups?
        \end{itemize}
    \end{minipage}
\end{center}

}

\frame
{
    \frametitle{Thank You}
    \begin{center}
    Andrew Poelstra\\
    \texttt{miniscript@wpsoftware.net}\\~\\~\\
    \texttt{\Large https://bitcoin.sipa.be/miniscript}~\\~\\
    \texttt{\Large https://github.com/apoelstra/rust-miniscript}
    \end{center}
}

\end{document}