commit c575ef37e1b8648e85a11a7f4f3da55ef64e0c85 parent 70ce0f864e9915f26516b6f2bb1e05756385fd17 Author: Emmanuel Benoist <emmanuel.benoist@bfh.ch> Date: Wed, 16 Apr 2025 17:00:14 +0200 Initial commit of the presentation for EuroDig 2025 (contains a few screen shots) Diffstat:
33 files changed, 915 insertions(+), 0 deletions(-)
diff --git a/presentations/2025-eurodig/slides/header.tex b/presentations/2025-eurodig/slides/header.tex @@ -0,0 +1,36 @@ +\graphicspath{{images/},{imagesPresentation/}} + + +\beamertemplateplaintoc + +\usepackage{mytheme} + +\usepackage[utf8]{inputenc} + +\usepackage{listing} +\usepackage{myListings} +\author{Emmanuel Benoist} + + +\lstdefinelanguage + [x64]{Assembler} % add a "x64" dialect of Assembler + [x86masm]{Assembler} % based on the "x86masm" dialect + % with these extra keywords: + {morekeywords={CDQE,CQO,CMPSQ,CMPXCHG16B,JRCXZ,LODSQ,MOVSXD, % + POPFQ,PUSHFQ,SCASQ,STOSQ,IRETQ,RDTSCP,SWAPGS, % + rax,rdx,rcx,rbx,rsi,rdi,rsp,rbp, % + r8,r8d,r8w,r8b,r9,r9d,r9w,r9b}} % etc. + + +\usepackage{color} +\definecolor{dkgreen}{rgb}{0,0.6,0} +\definecolor{gray}{rgb}{0.5,0.5,0.5} +\definecolor{mauve}{rgb}{0.58,0,0.82} +\lstset{ + basicstyle={\small\ttfamily}, + numberstyle=\tiny\color{gray}, + keywordstyle=\color{blue}, + commentstyle=\color{dkgreen}, + stringstyle=\color{mauve} +} + diff 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b/presentations/2025-eurodig/slides/screenshots/99_screenshot_icons_android.jpeg Binary files differ. diff --git a/presentations/2025-eurodig/slides/slides-EuroDIG2025.tex b/presentations/2025-eurodig/slides/slides-EuroDIG2025.tex @@ -0,0 +1,395 @@ +\documentclass[aspectratio=169,t]{beamer} + +\input texinputs/taler-macros + +\usepackage{tikz} +\usepackage{ragged2e} +\usetikzlibrary{positioning,fit,patterns} + +% +% Presentation to "EuroDIG 2025 in Strasbourg 13 May 2025" +% Copyright (C) 2025 Emmanuel Benoist, .... +% +% This program is free software: you can redistribute it and/or modify +% it under the terms of the GNU General Public License as published by +% the Free Software Foundation, either version 3 of the License, or +% (at your option) any later version. +% +% This program is distributed in the hope that it will be useful, +% but WITHOUT ANY WARRANTY; without even the implied warranty of +% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +% GNU General Public License for more details. +% +% You should have received a copy of the GNU General Public License +% along with this program. If not, see <http://www.gnu.org/licenses/>. +% + +% *Especially* edit these... +% \setbeameroption{show notes on second screen=right} % Both + +\newcommand{\SPEAKER}{O. Rappaport, E. Benoist and Ch. Grothoff} +\newcommand{\DATE}{May 13, 2025} +\title{} +\date{May 13, 2025} + + +\newcommand{\TITLE}{} +\newcommand{\SUB}{ } +\newcommand{\AUTHOR}{Olivier Rappaport, Emmanuel Benoist and Christian Grothoff} +\newcommand{\INST}{ https://www.taler.net} + +% Do not edit this part +\title{\TITLE} +\subtitle{\SUB} +\date{\DATE} +\author[\SPEAKER]{\AUTHOR} +\institute{\INST} + +\usepackage{amsmath} +\usepackage{multimedia} +\usepackage[percent]{overpic} +\usepackage{url} +\usepackage{pifont} +\usepackage[absolute,overlay]{textpos} +\usepackage{listings} + +\usepackage{tikz, xcolor} +\usetikzlibrary{shapes,arrows,positioning} +\tikzset{ + %Define standard arrow tip + >=stealth', + %Define style for boxes + punkt/.style={ + rectangle, + rounded corners, + draw=black, very thick, + minimum width=3.5em, + minimum height=2em, + text centered}, + % Define arrow style + pull/.style={ + <->, + thick,draw=red, + shorten <=2pt, + shorten >=2pt,}, + % Define arrow style + pil/.style={ + ->, + thick, + shorten <=2pt, + shorten >=2pt,} +} + + +%\usepackage{tikz, xcolor} +%\usetikzlibrary{shapes,arrows} + + +\tikzstyle{decision} = [diamond, draw, text width=4.5em, + text badly centered, node distance=2cm, + inner sep=0pt] +\tikzstyle{block} = [rectangle, draw, text width=5em, + text centered, rounded corners, + minimum height=4em, node distance=3cm] +\tikzstyle{line} = [draw, -latex'] +\tikzstyle{lineeee} = [draw] +\tikzstyle{cloud} = [draw, ellipse, node distance=2.5cm, minimum height=2em] +\tikzstyle{walet} = [draw, rectangle, node distance=0.2cm, minimum height=2em] +\tikzstyle{reseau} = [node distance=0.2cm, minimum height=2em] +\tikzstyle{blank} = [node distance=1cm] + +\usetikzlibrary{shapes,arrows} +\usetikzlibrary{positioning} +\usetikzlibrary{calc} + + + + + +\begin{document} + + +\frame{\maketitle +} + +\section{Taler a privacy preserving payment system} + +% free +% privacy friendly +% coins, no ledger +% blindly signed coins +% 3 tiers architecture + + + + +\begin{frame} + \frametitle{Taler a privacy preserving payment system} + + + +\end{frame} + + + + +\section{Customer UX} +% Install the wallet + +% Withdraw money Play money (maybe add demo exchange if needed). +% (show a real withdraw money) + +% Send money + +% Ask for money + + + +\begin{frame} + \frametitle{Install the app in your phone} + \begin{columns} + \begin{column}{0.47\textwidth} + \begin{center} + \Large Apple App Store + + \includegraphics[width=0.6\textwidth]{./qr-codes/QR-Code-Apple-app-store.png} + +\end{center} +\end{column} + \begin{column}{0.47\textwidth} + + + \begin{center} + Google Play Store + + \includegraphics[width=0.6\textwidth]{./qr-codes/QR-Code-Google-Play-store.png} + +\end{center} + \end{column} +\end{columns} +\footnotesize +Alternatives (Chrome, Firefox, Chromium, Opera extensions, F-Droid, pure APK +for Android, ...): +\url{https://wallet.taler.net} +\end{frame} + + +\begin{frame} + \frametitle{Install the app from the store} + \begin{columns} + \begin{column}{0.67\textwidth} + \begin{center} + Install the Taler Wallet (experimental) + + \includegraphics[width=0.7\textwidth]{./screenshots/01_Play_store.jpeg} +\end{center} +\end{column} +\begin{column}{0.27\textwidth} + \begin{center} + Start the program with this icon + + \includegraphics[width=0.4\textwidth]{./screenshots/02_icon_taler_app.jpg} +\end{center} +\end{column} +\end{columns} + +\end{frame} + + +\begin{frame} + \frametitle{Welcome page : get demo money} + \begin{columns} + \begin{column}{0.47\textwidth} + \begin{center} + \includegraphics[width=0.4\textwidth]{./screenshots/03_welcome_screen_get_demo_money.jpeg} + \end{center} +\end{column} +\begin{column}{0.47\textwidth} + \begin{center} + + \includegraphics[width=1\textwidth]{./screenshots/03_welcome_screen_get_demo_money_with_arrow.jpeg} + +\end{center} +\end{column} +\end{columns} + +\end{frame} + + +\begin{frame} + \frametitle{Start action menu} + \begin{columns} + \begin{column}{0.47\textwidth} + \begin{center} + \includegraphics[width=0.4\textwidth]{./screenshots/04_after_withdrawal.jpeg} + \end{center} +\end{column} +\begin{column}{0.47\textwidth} + \begin{center} + + \includegraphics[width=1\textwidth]{./screenshots/04_after_withdrawal_with_arrow.jpeg} + +\end{center} +\end{column} +\end{columns} + +\end{frame} + + +\begin{frame} + \frametitle{Send money to another wallet} + \begin{columns} + \begin{column}{0.47\textwidth} + \begin{center} + \includegraphics[width=0.4\textwidth]{./screenshots/05_menu_empty_history.jpeg} + \end{center} +\end{column} +\begin{column}{0.47\textwidth} + \begin{center} + + \includegraphics[width=1\textwidth]{./screenshots/05_menu_empty_history_with_arrow.jpeg} + +\end{center} +\end{column} +\end{columns} + +\end{frame} + + +\begin{frame} + \frametitle{Fill out the form} + \begin{columns} + \begin{column}{0.47\textwidth} + \begin{center} + \includegraphics[width=0.4\textwidth]{./screenshots/06_send_money.jpeg} + \end{center} +\end{column} +\begin{column}{0.47\textwidth} + \begin{block}{Forms informations} + \begin{itemize} + \item Amount and Currence (if your wallet contains many) + \item Purpose (to be able to find it later on) + \item Expiry time of the payment. + \end{itemize} + \end{block} +\end{column} +\end{columns} + +\end{frame} + + + +\section{Merchant Integration (Rest API for payment)} + + + +% Create an order in a Merchant Backend (simple order) +% Someone pays. +% Check status. +% Web interface + CURL + QR Code generator + + +\begin{frame} + \frametitle{Example} + \begin{columns} + \begin{column}{0.47\textwidth} +\begin{center} + \includegraphics[width=0.8\textwidth]{./images/3d-question-mark.jpg} + +\end{center} +\end{column} + \begin{column}{0.47\textwidth} + + \begin{block}{Title for block} + \begin{itemize} + \item Item number 1 + \end{itemize} + \end{block} + \end{column} +\end{columns} + +\end{frame} + +\section{Future Developments} + +\begin{frame}{Taler : Development plan} + + \begin{block}{In Switzerland} + \begin{itemize} + \item \textit{Netzbon} : Local currency in Basel, deployment already started. + \item \textit{BFH Intern} : Snacks and café automats, in use. + \item \textit{CHF in Switzerland} : deployment just started + \end{itemize} + \end{block} + \begin{block}{Europe} + \begin{itemize} + \item \textit{NGI-Taler project} with a German bank (GLS), deployment in + the Eurozone for the end of 2025. + + With a Hungarian bank (MagNet) deployment in 2026 in Hungary. + \item \textit{Depolymerizer} for Bitcoin. Working already as a University + research project (not commercial). + \end{itemize} + \end{block} +\end{frame} + + +\section{Questions et réponses} + +\begin{frame} + \frametitle{Questions ?} + \begin{columns} + \begin{column}{0.35\textwidth} + \begin{center} + \includegraphics[width=0.9\textwidth]{./images/3d-question-mark} + \end{center} + \end{column} + \begin{column}{0.55\textwidth} + + + \begin{block}{Contacts} + \begin{itemize} + \item \url{https://www.taler.net} + + \item olivierrappaport.eseniors@gmail.com + \item emmanuel.benoist@bfh.ch + \item christian.grothoff@bfh.ch + \end{itemize} + \end{block} + \end{column} +\end{columns} +\end{frame} + + + + + + +\begin{frame}{Acknowledgements} + + \begin{minipage}{0.45\textwidth} \ \\ + {\tiny Funded by the European Union (Project 101135475).} + + \begin{center} + \includegraphics[width=0.5\textwidth]{./images/bandera.jpg} + \end{center} + \end{minipage} + \hfill + \begin{minipage}{0.45\textwidth} + {\tiny Funded by SERI (HEU-Projekt 101135475-TALER).} + + \begin{center} + \includegraphics[width=0.65\textwidth]{./images/sbfi.jpg} + \end{center} + \end{minipage} + + \vfill + + {\tiny Views and opinions expressed are however those of the author(s) only + and do not necessarily reflect those of the European Union. Neither the + European Union nor the granting authority can be held responsible for + them.} +\end{frame} + + +\end{document} diff --git a/presentations/2025-eurodig/slides/texinputs/header-drawings.tex b/presentations/2025-eurodig/slides/texinputs/header-drawings.tex @@ -0,0 +1,44 @@ +\documentclass[varwidth, border = 5 mm]{standalone} +% \usepackage{tikz-cd} +% \usetikzlibrary{shapes.geometric} +\usepackage{amsmath} + +\usepackage{tikz, xcolor} +\usetikzlibrary{shapes,arrows,positioning} +\tikzset{ + %Define standard arrow tip + >=stealth', + %Define style for boxes + punkt/.style={ + rectangle, + rounded corners, + draw=black, very thick, + minimum width=3.5em, + minimum height=2em, + text centered}, + % Define arrow style + pull/.style={ + <->, + thick,draw=red, + shorten <=2pt, + shorten >=2pt,}, + % Define arrow style + pil/.style={ + ->, + thick, + shorten <=2pt, + shorten >=2pt,} +} +\tikzstyle{decision} = [diamond, draw, text width=4.5em, + text badly centered, node distance=2cm, + inner sep=0pt] +\tikzstyle{block} = [rectangle, draw, text width=5em, + text centered, rounded corners, + minimum height=4em, node distance=3cm] +\tikzstyle{line} = [draw, -latex'] +\tikzstyle{lineeee} = [draw] +\tikzstyle{cloud} = [draw, ellipse, node distance=2.5cm, minimum height=2em] +\tikzstyle{walet} = [draw, rectangle, node distance=0.2cm, minimum height=2em] +\tikzstyle{reseau} = [node distance=0.2cm, minimum height=2em] +\tikzstyle{blank} = [node distance=1cm] + diff --git a/presentations/2025-eurodig/slides/texinputs/header-exercises.tex b/presentations/2025-eurodig/slides/texinputs/header-exercises.tex diff --git a/presentations/2025-eurodig/slides/texinputs/header-slides.tex b/presentations/2025-eurodig/slides/texinputs/header-slides.tex @@ -0,0 +1,34 @@ +\documentclass[ + authorontitle=true, + aspectratio=169 + ]{beamer} + + +%\usepackage[main=ngerman]{babel} + +% The following is only necessary for compatibility with versions of pdftex older than April 2018 +\usepackage{iftex} +\ifPDFTeX +\usepackage[utf8]{inputenc} +\fi + + +%Makros für Formatierungen der Doku +%Im Allgemeinen nicht notwendig! +\let\code\texttt + +\usepackage{graphicx} + +\usepackage{listings} + +%\subtitle{Version 0.4} +\author[E. 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