commit 89de049caadba7d5ab2ef5274e1ca7612206b5b8 parent ce8d8e0479d40e19482cda1b72ad544091278290 Author: Emmanuel Benoist <emmanuel.benoist@bfh.ch> Date: Mon, 23 Jun 2025 16:05:31 +0200 Presentation for the Ambassador of the Ivory Coast (first version) Diffstat:
19 files changed, 1215 insertions(+), 0 deletions(-)
diff --git a/presentations/2025-ivory-coast/slides/header.tex b/presentations/2025-ivory-coast/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 --git a/presentations/2025-ivory-coast/slides/images/3d-question-mark.jpg b/presentations/2025-ivory-coast/slides/images/3d-question-mark.jpg Binary files differ. diff --git a/presentations/2025-ivory-coast/slides/images/3d-question-mark.webp b/presentations/2025-ivory-coast/slides/images/3d-question-mark.webp Binary files differ. diff --git a/presentations/2025-ivory-coast/slides/images/bandera.jpg b/presentations/2025-ivory-coast/slides/images/bandera.jpg Binary files differ. diff --git a/presentations/2025-ivory-coast/slides/images/ngo-illustration-Artboard-4.png b/presentations/2025-ivory-coast/slides/images/ngo-illustration-Artboard-4.png Binary files differ. diff --git a/presentations/2025-ivory-coast/slides/images/sbfi.jpg b/presentations/2025-ivory-coast/slides/images/sbfi.jpg Binary files differ. diff --git a/presentations/2025-ivory-coast/slides/images/taler-logo-2021-inkscape.pdf b/presentations/2025-ivory-coast/slides/images/taler-logo-2021-inkscape.pdf Binary files differ. diff --git a/presentations/2025-ivory-coast/slides/images/taler.png b/presentations/2025-ivory-coast/slides/images/taler.png Binary files differ. diff --git a/presentations/2025-ivory-coast/slides/images/triangle-taler.pdf b/presentations/2025-ivory-coast/slides/images/triangle-taler.pdf Binary files differ. diff --git a/presentations/2025-ivory-coast/slides/images/triangle-taler.tex b/presentations/2025-ivory-coast/slides/images/triangle-taler.tex @@ -0,0 +1,48 @@ +\documentclass{standalone} +\usepackage{tikz} +\usepackage{ragged2e} +\usetikzlibrary{positioning,fit,patterns} + +\begin{document} +\begin{tikzpicture}[ + rect/.style={circle, draw=black}, + sym/.style={-stealth, shorten >= 2pt, shorten <= 2pt} + ] + % Taler payment system + \node[rect](1) {Exchange}; + \node[rect,below left=1.5cm and 0.7cm of 1](2) + {\small Utilisateur}; + \node[rect,below right=1.5cm and 0.7cm of 1](3) {Marchand}; + + \draw[sym] (1) -- node [midway, above, sloped] {\tiny + Retire des jetons} (2); + \draw[sym] (2) -- node [midway, above, sloped] {\tiny + Dépense des jetons} (3); + \draw[sym] (3) -- node [midway, above, sloped] {\tiny + Dépose des jetons} (1); + + % Settlement layer + \node[left=2cm of 1](E1){}; + \node[right=2cm of 1](E2){}; + \draw[sym] (E1) -- node [midway, above] {\tiny Dépose BTC/ETH} (1); + \draw[sym] (1) -- node [midway, above] {\tiny Retire BTC/ETH} (E2); + + % Auditor + %\node[above= of 1](A){Auditor}; + %\draw[sym] (A) -- node [midway, right] {\tiny Verify} (1); + + % Separator + \node[below=1mm of E1] (S1S) {}; + \node[below=1mm of E2] (S1E) {}; + \node[above=6mm of E1] (S2S) {}; + \node[above=6mm of E2] (S2E) {}; + + \draw[dotted] (S1S) -- (S1E); + \draw[dotted] (S2S) -- (S2E); + + \node[below right=-2mm and -1.5mm of S2S] + {\tiny{\emph{Couche de liaison avec la blockchain}}}; + \node[below right=-2mm and -1.5mm of S1S] + {\tiny{\emph{Système de paiements Taler}}}; + \end{tikzpicture} + \end{document} +\ No newline at end of file diff --git a/presentations/2025-ivory-coast/slides/mytheme.sty b/presentations/2025-ivory-coast/slides/mytheme.sty @@ -0,0 +1,216 @@ +\ProvidesPackage{mytheme}[2013/06/17 ver 0.5] +\NeedsTeXFormat{LaTeX2e}[1995/12/01] + +% Original theme +% Copyright 2003 by Till Tantau <tantau@cs.tu-berlin.de>. +% +% Modifications, Emmanuel Benoist <emmanuel.benoist@bfh.ch> +% +% This program can be redistributed and/or modified under the terms +% of the LaTeX Project Public License Distributed from CTAN +% archives in directory macros/latex/base/lppl.txt. + +\mode<presentation> + +\definecolor{BFHgrey}{RGB}{105,125,145} + +\usecolortheme[named=BFHgrey]{structure} + +\pgfdeclareimage[width=\paperwidth]{background}{./images/blanc.jpg} +\pgfdeclareimage[width=\paperwidth]{backgroundsection}{./images/background-section-title.bfh.jpg} +\pgfdeclareimage[width=\paperwidth]{backgroundsubsection}{./images/background-subsection-title.bfh.jpg} +\pgfdeclareimage[width=\paperwidth]{backgroundfirstpage}{./images/background-first-page-bfh.jpg} + + + +\institute[BFH]{Berner Fachhochschule $\mid$ Haute école spécialisée + bernoise $\mid$ Berne University of Applied Sciences } + + +\setbeamertemplate{background}{\pgfuseimage{background}} + +% The title should be on top +\useheadtemplate{ + \vbox{% + \vskip-2pt% + }% + } +%} + +% % Footline +% \usefoottemplate{% +% \vbox{% +% \setbox\beamer@tempbox=\hbox{\tiny JJJJJJJJJ\insertshortauthor: \insertshorttitle\hskip1.5cm\insertshortinstitute}% +% \ifdim\wd\beamer@tempbox>\paperwidth% +% \insertvrule{1pt}{structure!50!averagebackgroundcolor}% +% \vskip1.5pt +% \tinyline{\color{structure}\insertshortauthor:\hfill\insertshortinstitute}% +% \tinyline{\color{structure}\insertshorttitle\hfill\lower1pt\hbox{\insertnavigationsymbols}}% +% \else% +% \setbox\beamer@tempbox=\hbox{\beamerline{\hbox to\paperwidth{\hfill\lower1pt\hbox{\insertnavigationsymbols}}}}% +% \ht\beamer@tempbox=0pt% +% \box\beamer@tempbox% +% \insertvrule{14pt}{structure!50!averagebackgroundcolor}% +% \vskip1.5pt +% \tinyline{\color{structure}\insertshortauthor: \insertshorttitle, \insertsubtitle\hfill\insertpagenumber}% +% \fi}% +% } + +%\def\logo#1{% +% \def\insertlogo{#1}% +% \usefoottemplate{% +% \vbox{% +% %\insertvrule{0.4pt}{beamerstructure!50!averagebackgroundcolor}% +% \vskip1.5pt% +% %\setbox\beamer@logobox=\hbox{\lower1pt\hbox{\insertlogo}}% +% % \setbox1=\hbox{\insertsubtitle}% +% % \tinyline{\hbox{\hskip \wd\beamer@logobox\hskip0.2cm\color{beamerstructure}\insertshorttitle\ifdim\wd1>0pt : \fi\insertsubtitle}\hfill\lower1pt\hbox{\insertnavigationsymbols}}% +% \setbox1=\hbox{\inserttitle}% +% \setbox2=\hbox{\insertpart}% +% %\setbox3=\hbox{\insertsubsection}% +% %\tinyline{\hbox{\dp\beamer@logobox=0pt\ht\beamer@logobox=0pt\box\beamer@logobox\hskip0.2cm\color{testcol}\ifdim\wd1>0pt{\hfill\inserttitle}\fi\ifdim\wd2>0pt{{\hspace{1.3cm} \insertpart}\ifdim\wd3>0pt{\insertsubsection}\fi}\fi}\hfill\lower1pt\hbox{\color{testcol}\insertpagenumber}}% +% \tinyline{\hbox{\dp\beamer@logobox=0pt\ht\beamer@logobox=0pt\box\beamer@logobox\hskip0.2cm\color{BFHgrey}\ifdim\wd1>0pt{\hfill}\fi\ifdim\wd2>0pt{{\hspace{1.3cm} }\ifdim\wd3>0pt{\insertsubsection}\fi}\fi}{\color{BFHgrey}\insertinstitute}\hfill\lower1pt\hbox{\color{BFHgrey}\insertpagenumber}}% + +% }% +% }% +% % } + + \usefoottemplate{% + \vbox{% + \vskip1.5pt% + \tinyline{{\color{BFHgrey}\insertinstitute}\hfill\lower1pt\hbox{\color{BFHgrey}\insertpagenumber}}% + + }% + }% +% } + + +\userightsidebartemplate{0cm}{} + +%Modifications start here + +%First kill off navigation symbols, unwanted on transparencies +\beamertemplatenavigationsymbolsempty + +%Now set the proportion of greying out of non-current sections +%in toc with [current]; also choose bullet for toc. +\usetemplatetocsection[65!averagebackgroundcolor]{ + \color{beamerstructure}\raisebox{0.2ex}{\scriptsize{$\blacksquare$}}\quad\large\inserttocsection} +\usetemplatetocsubsection[65!averagebackgroundcolor]{\leavevmode\leftskip=2.5em\color{black}\inserttocsubsection\par} + +%Set subitem marker to be bullet + +%\usesubitemizeitemtemplate{\small\hbox{\color{beamerstructure}$\bullet$}} + + +\pgfdeclareimage[width=0.25cm]{mybullet}{./images/bullet-bfh.jpg} +\pgfdeclareimage[width=0.22cm]{mysmallbullet}{./images/bullet-bfh.jpg} + + +\useitemizeitemtemplate{\pgfuseimage{mybullet}} +\usesubitemizeitemtemplate{\pgfuseimage{mysmallbullet}} + + + +% title page + +% \usetitlepagetemplate{ +% \vbox{} +% \vfill +% \begin{centering} +% \insertinstitute\par\vskip3.0em +% {\huge\structure{XXXXX\inserttitle}}\par +% \ifx\insertsubtitle\@empty\else\vskip1em{\LARGE{\structure{\insertsubtitle}}}\par\fi +% \vskip2.5em\par +% \normalsize\insertauthor\vskip1em\par +% \insertdate\par\vskip2.0em +% \inserttitlegraphic\par +% \end{centering} +% \vfill +% } + +\usetitlepagetemplate{ +%\pgfuseimage{backgroundfirstpage} + \vbox{} + \vfill + \inserttitlegraphic\par\vskip4.5em + {\color{White}\huge\bf\inserttitle}\par\vskip1.5em + \par + \ifx\insertsubtitle\@empty\else\vskip1em{\color{White}\LARGE{\structure{\insertsubtitle}}}\par\fi + \vskip0.2em\par + {\color{White} \bf\it\LARGE\insertauthor}\vskip0.3em\par + {\color{White}\Large{\insertdate}}\par\vskip9.0em + \inserttitlegraphic\par + \vfill + } + +% frame title + + \useframetitletemplate{% + \vskip0.25em% + %\begin{centering} + \color{beamerstructure} + \huge\insertframetitle\par% + {\normalsize\structure{\insertframesubtitle}\par}% + %\end{centering} + } + +% new theorem style for definitions etc. + +\usetheoremtemplate{\begin{my@linedtext}} + {\end{my@linedtext}} + +\newsavebox{\my@algobox} +\newlength{\my@algoheight} +\newlength{\my@algodepth} +\newcommand{\my@algorule}[2]% + {\color{beamerstructure}\rule{#1}{#2}} %Balken! + +\RequirePackage{calc} +\newenvironment{my@linedtext}% + {\begin{block}{\inserttheoremname}~\\[-13pt]% + \begin{lrbox}{\my@algobox}% + \begin{minipage}[b]{\linewidth-7pt}\raggedright} + {\end{minipage}\end{lrbox}% + \settoheight{\my@algoheight}{\usebox{\my@algobox}}% + \settodepth{\my@algodepth}{\usebox{\my@algobox}}% + \addtolength{\my@algoheight}{\my@algodepth}% + \hspace*{1pt}\my@algorule{1pt}{\my@algoheight+5pt}% + \hspace*{5pt}\raise\my@algodepth\hbox{\usebox{\my@algobox}}% + \end{block}} + + +%% BIE1 add a frame for changing section +%% + +\AtBeginSection[] % Do nothing for \section* +{% +\setbeamertemplate{background}{\pgfuseimage{backgroundsection}} % +% +\frame<beamer>% +{% +%\frametitle{Outline} + +{\color{White}\huge \insertsection}% +%\tableofcontents[current] +}% +\setbeamertemplate{background}{\pgfuseimage{background}} % +} + +\AtBeginSubsection[] % Do nothing for \section* +{% +\setbeamertemplate{background}{\pgfuseimage{backgroundsubsection}} % +% +\frame<beamer>% +{% +%\frametitle{Outline} + +{\color{White}\huge \insertsubsection}% +%\tableofcontents[current] +}% +\setbeamertemplate{background}{\pgfuseimage{background}} % +} + + +\mode +<all> diff --git a/presentations/2025-ivory-coast/slides/slides-visite-ambassadeur-coete-d-ivoire.tex b/presentations/2025-ivory-coast/slides/slides-visite-ambassadeur-coete-d-ivoire.tex @@ -0,0 +1,474 @@ +\documentclass[aspectratio=169,t]{beamer} + +\input texinputs/taler-macros + +\usepackage{tikz} +\usepackage{ragged2e} +\usetikzlibrary{positioning,fit,patterns} + +% +% Presentation to "Son Excellence l'ambassadeur de Côte d'Ivoire en Suisse et +% au Lichtenchtein vendredi 25 juillet 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 + + +% Programme : +% 10 h : Présentation du projet GNU Taler par Emmanuel Benoist, professeur à la BFH. +% 10 h 45 : Démonstration pratique de GNU Taler, avec le distributeur automatique de snacks et exemples +% concrets. +% 11 h : Présentation en distanciel du projet Oral Information Management (OIM) par Brett Matthews, +% fondateur et directeur de l’ONG My Oral Village. +% 11 h 30 : Démonstration de Taler-OIM par Marc Stibane, spécialiste iOS chez Taler Systems +% 12 h - 13 h 30 : Déjeuner au restaurant Miracoli à Bienne, et discussion sur comment aller de l’avant avec +% ce projet. + + +\newcommand{\SPEAKER}{Emmanuel Benoist} +\newcommand{\DATE}{25 juillet 2025} +\title{} +\date{} + + +\newcommand{\TITLE}{Presentation de GNU-Taler} +\newcommand{\SUB}{Visite de Son Excellence l'Ambassadeur de Côte d'Ivoire en + Suisse et au Lichtenstein} +\newcommand{\AUTHOR}{Emmanuel Benoist} +\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 +} + + +\begin{frame} + \frametitle{Taler} + + \tableofcontents +\end{frame} + +\section{Taler, un système de paiement libre} + +% free +% privacy friendly +% coins, no ledger +% blindly signed coins +% 3 tiers architecture + + +\section{Introduction to GNU Taler} +\begin{frame}{GNU Taler} + \vfill + \begin{center} + {\huge {L'argent \textbf{numérique} et \textbf{socialement responsable}.}} + \end{center} + \vfill + \begin{center} + \includegraphics[width=0.5\textwidth]{images/taler-logo-2021-inkscape.pdf} + \end{center} + \vfill + \begin{center} + Privacy-Preserving, Practical, Taxable, Free Software, Efficient + \end{center} + \vfill + \vfill +\ % +\end{frame} + + +\begin{frame}{Qu'est-ce que GNU Taler?} + \framesubtitle{\url{https://taler.net/fr/features.html}} + \noindent +GNU Taler est + \vfill + \begin{itemize} + \item un projet d'infrastructure de \emph{système de paiement} en logiciel libre. + \item \dots avec son écosystème logiciel environnant. + \item \dots et une entreprise (Taler Systems S.A.) et une communauté qui souhaitent le déployer aussi largement que possible. + \end{itemize} + \vfill +\noindent +Cependant, GNU Taler n'est + \begin{itemize} + \item \emph{pas} une nouvelle monaie + \item \emph{pas} une réserve de valeur à long terme + \item \emph{pas} un réseau ni l'instance d'un système + \item \emph{pas} décentralisé + \item \emph{pas} basé sur la preuve de travail (proof-of-work) ou la preuve d'enjeu (proof-of-stake) + \item \emph{pas} un actif spéculatif / ``système d'enrichissement rapide'' + \end{itemize} + \vfill +\end{frame} + + +\begin{frame}{Objectifs de conception du système de paiement GNU Taler} + GNU Taler doit ... +\begin{enumerate} + \item {... être implémenté en tant que {\bf logiciel libre}.} + \item {... protéger {\bf la vie privée des acheteurs}.} + \item {... doit permettre à l'État de \textbf{taxer les revenus} et de réprimer les activités commerciales illégales sur le site. } + \item {... prévenir les fraudes de paiement.} + \item {... ne divulguer que \textbf{le minimum} d'informations \textbf{nécessaires}.} + \item {... être utilisable.} + \item {... être efficace.} + \item {... éviter les points de défaillance uniques.} + \item {... favoriser {\bf la compétition}.} +\end{enumerate} +\end{frame} + + +\begin{frame} +\frametitle{Vue d'ensemble de GNU Taler} +\begin{center} +\begin{tikzpicture} + \tikzstyle{def} = [node distance= 4.5em and 6em, inner sep=1em, outer sep=.3em]; + \node (origin) at (0,0) {}; + \node (exchange) [def,above=of origin,draw]{Service d'échange}; + \node (customer) [def, draw, below left=of origin] {Portefeuille}; + \node (merchant) [def, draw, below right=of origin] {Backend commerçant}; +% \node (auditor) [def, draw, above right=of origin]{Auditor}; + \tikzstyle{C} = [color=black, line width=1pt] + \draw [<-, C] (customer) -- (exchange) node [midway, above, sloped] + (TextNode) {retire des jetons}; + \draw [<-, C] (exchange) -- (merchant) node [midway, above, sloped] + (TextNode) {dépose les jetons}; + \draw [<-, C] (merchant) -- (customer) node [midway, above, sloped] + (TextNode) {dépense les jetons}; +% \draw [<-, C] (exchange) -- (auditor) node [midway, above, sloped] (TextNode) {verify}; +\end{tikzpicture} +\end{center} +\end{frame} + +\begin{frame}{Le service d'échange} + + \begin{block}{Gère les jetons} + \begin{itemize} + \item Génère les jetons et vérifie leur validité, + \item assure la validité d'une transaction, + \item testé avec 60~000 transactions par seconde + \end{itemize} + \end{block} + + \begin{block}{Fait l'interface avec le système bancaire} + \begin{itemize} + \item Virement des clients pour le retrait d'argent + \item virement vers les comptes des commerçants après les transactions. + \end{itemize} + + \end{block} + +\end{frame} + +\begin{frame} + \frametitle{Portefeuille} + \begin{block}{Disponible pour tous les systèmes} + \begin{itemize} + \item téléphones : iOS, Android, + \item navigateurs : Firefox, Chrome, Chromium, \dots + \end{itemize} + \end{block} + + \begin{block}{Fonctionalités} + \begin{itemize} + \item Retrait d'argent, + \item paiement à un commerçant, + \item supporte l'usage de plusieurs monnaies, + \item échange d'argent de pair à pair. + \end{itemize} + \end{block} +\end{frame} + +\begin{frame} + \frametitle{Backend des commerçants} + + \begin{block}{Installé sur un serveur chez le commerçant} + \begin{itemize} + \item Pour les gros commerçants, + \item contrôle à 100\% de toute la chaîne, + \item disponible sur tous les systèmes (Linux, Windows, OSX, tous les Unix). + \end{itemize} + \end{block} + + \begin{block}{Disponible pour les petits commerçants} + \begin{itemize} +\item Une instance centrale, +\item chaque commerçant a un compte, +\item peut gérer toutes ses transactions. + \end{itemize} + \end{block} + +\end{frame} + +\section{Spécialités de Taler} + +\begin{frame} + \frametitle{Quelques points particuliers de Taler} + \begin{block}{Transactions de Pair à Pair} + + \end{block} + \begin{block}{Possibilité d'avoir des restrictions d'âge} + + \end{block} + \begin{block}{Les vendeurs peuvent être sans smartphones} + + \end{block} + + \begin{block}{Interface pour les personnes illétrées ou ne sachant pas lire} + + \end{block} + +\end{frame} + + +\begin{frame} + \frametitle{Transactions de pair à pair} + \begin{block}{D'un utilisateur directement à un autre} + \begin{itemize} + \item Pas besoin de serveurs, + \item d'un portefeuille à un autre, + \item ``Envoi'' ou ``Demande'' d'argent possibles. + \end{itemize} + \end{block} + \begin{block}{Cas d'usage} + \begin{itemize} + \item Parents ou grand-parents vers enfants, + \item amis, + \item économie informelle. + \end{itemize} + \end{block} +\end{frame} + +\begin{frame} + \frametitle{Restriction d'âge} + \begin{block}{Le marchand peut vérifier que l'argent respecte une limite d'age} + \begin{itemize} + \item Pour vendre de l'alcool, + \item pour vendre des jeux violents, + \item pour les achats non autorisés aux mineurs + \end{itemize} + \end{block} + \begin{block}{Les parents indiquent que l'argent appartient à un mineur} + \begin{itemize} + \item en donnant l'argent, + \item ensuite le mineur ne peut pas utiliser cet argent là ou c'est interdit. + \end{itemize} + \end{block} +\end{frame} + +\begin{frame} + \frametitle{Vendeurs Off-line} + \begin{block}{Génèrent un QR Code sur le serveur backend} + \begin{itemize} + \item Code QR qu'ils affichent dans le magasin, + \item il contient ou non le prix. + \end{itemize} + \end{block} + \begin{block}{Le client scan le QR code et paie} + \begin{itemize} + \item entre le prix si nécessaire. + \end{itemize} + \end{block} + + \begin{block}{Le vendeur vérifie le paiement} + \begin{itemize} + \item Avec un petit objet (c.f. démonstration ), il peut verifier que le client a payé le bon prix. + \end{itemize} + \end{block} + +\end{frame} + +\begin{frame} + \frametitle{Interface pour les personnes illétrées} + \begin{block}{Taler-OIM présenté ensuite par Marc Stibane} + + \end{block} +\end{frame} + +\section{Plan de déploiement} +\begin{frame}{Plan de déploiement} + + \begin{block}{En Suisse} + \begin{itemize} + \item \textit{Netzbon} : monnaie locale à Bâle, déploiement déjà démarré. + \item \textit{En interne à la BFH} : automates à snacks et à cafés, en service. + \item \textit{CHF en Suisse} : le déploiement vient de démarrer. + \end{itemize} + \end{block} + \begin{block}{Europe} + \begin{itemize} + \item \emph{Projet NGI-Taler} avec une banque allemande (GLS), déploiement + dans la zone euro pour fin 2025. + + Avec une banque hongroise (MagNet), déploiement en 2026 en Hongrie. + + \item \emph{Depolymerizer} pour Bitcoin. Fonctionne déjà comme un projet de recherche universitaire (non commercial). + \end{itemize} + \end{block} +\end{frame} + + + +\section{Questions et Réponses} + +\begin{frame} + \frametitle{Questions ?} + \begin{columns} + \begin{column}{0.3\textwidth} + \begin{center} + \includegraphics[width=0.9\textwidth]{./images/3d-question-mark} + \end{center} + \end{column} + \begin{column}{0.65\textwidth} + + + \begin{block}{Contacts} + \begin{itemize} + \item \url{https://www.taler.net} + \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} +\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} + diff --git a/presentations/2025-ivory-coast/slides/texinputs/header-slides.tex b/presentations/2025-ivory-coast/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. Benoist]{Emmanuel Benoist} +\institute{GNU-Taler} + +%Activate the output of a frame number: +\setbeamertemplate{page number in head/foot}[framenumber] + + +%\AtBeginSection{\sectionpage} +\author{Emmanuel Benoist} +\date{Fall Term 2023/2024} diff --git a/presentations/2025-ivory-coast/slides/texinputs/images/bandera.jpg b/presentations/2025-ivory-coast/slides/texinputs/images/bandera.jpg Binary files differ. diff --git a/presentations/2025-ivory-coast/slides/texinputs/images/logo-NGI_TALER.ai b/presentations/2025-ivory-coast/slides/texinputs/images/logo-NGI_TALER.ai @@ -0,0 +1,168 @@ +<?xml version="1.0" encoding="UTF-8" standalone="no"?> +<!-- Created with Inkscape (http://www.inkscape.org/) --> + +<svg + version="1.1" + id="svg2137" + width="553.96533" + height="170.64532" + viewBox="0 0 553.96533 170.64532" + sodipodi:docname="logo_NGI_TALER.ai" + inkscape:version="1.2.2 (b0a8486541, 2022-12-01)" + xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape" + 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+\setbeamerfont{subtitle}{size=\Large} + +\setbeamercolor{author}{fg=white} +\setbeamerfont{author}{size=\Large} + +\setbeamercolor{institute}{fg=white} +\setbeamerfont{institute}{size=\large} + +\setbeamercolor{date}{fg=black} +\setbeamerfont{date}{size=\large} + +\setbeamercolor{frametitle}{fg=white} +\setbeamerfont{frametitle}{size=\LARGE} +\setbeamerfont{framesubtitle}{size=\large} + +\makeatletter +\setbeamertemplate{frametitle}{% + \vbox{}\vskip-0.5em% + \begin{beamercolorbox}[wd=.7\paperwidth]{frametitle} + \usebeamerfont{frametitle}% + \strut\insertframetitle\strut\par% + \end{beamercolorbox} + \ifx\insertframesubtitle\@empty% + \vskip.9em + \else% + \vskip-0.3em + \begin{beamercolorbox}[wd=.68\paperwidth]{frametitle} + \usebeamerfont{framesubtitle}% + \strut\insertframesubtitle\strut\par% + \end{beamercolorbox} + \fi +} +\makeatother + +\usepackage{tikz} +\usetikzlibrary{calc,intersections,positioning,fadings,through} + +% footline +\setbeamertemplate{navigation symbols}{} +\setbeamertemplate{footline}{% + \leavevmode% + \includegraphics[height=0.7cm]{texinputs/images/logo-NGI_TALER_Bold.png} + \hfill + \SPEAKER + \hfill + \TITLE + \hfill + \insertframenumber + \vskip0pt% +} + +% background + +\usepackage{xcolor} +\definecolor{left}{RGB}{0,66,179} + +\setbeamertemplate{title page} +{%\leavemode% + \begin{beamercolorbox}[wd=\the\paperwidth, ht=\the\paperheight,ignorebg,center]{} + \begin{tikzpicture}[overlay, remember picture] + \fill [left color=left, right color=left!50!black] (current page.north west) -- (current page.north east) -- ($(current page.north east)+(0,-6.5)$) -- ($(current page.north west)+(5,-6.5)$) -- ($(current page.north west)+(4.5,-6.8)$) -- ($(current page.north west)+(4,-6.5)$) -- ($(current page.north west)+(0,-6.5)$); + \end{tikzpicture} + \end{beamercolorbox}% + \vspace*{-8cm} + + \begin{beamercolorbox}[sep=8pt,left]{title} + {\usebeamerfont{title}\inserttitle\par}% + {\usebeamerfont{subtitle}\insertsubtitle\par}% + \end{beamercolorbox}% + \vskip1em\par + \begin{beamercolorbox}[sep=8pt,left]{author} + \usebeamerfont{author}\insertauthor + \end{beamercolorbox} + \begin{beamercolorbox}[sep=8pt,left]{institute} + \usebeamerfont{inst}\insertinstitute\\ + \end{beamercolorbox}% + + \begin{beamercolorbox}[sep=5pt,left]{date} + \usebeamerfont{date}\insertdate + \end{beamercolorbox} + \vspace*{2.5cm} +} + +\setbeamertemplate{background canvas} +{%\leavemode% + \begin{tikzpicture}[overlay, remember picture] + \fill [left color=left, right color=left!50!black] (current page.north west) -- (current page.north east) -- ($(current page.north east)+(0,-2)$) -- ($(current page.north west)+(5,-2)$) -- ($(current page.north west)+(4.5,-2.3)$) -- ($(current page.north west)+(4,-2)$) -- ($(current page.north west)+(0,-2)$); + \end{tikzpicture} +}
