fisma-2024.tex (6460B)
1 \documentclass[aspectratio=169,t]{beamer} 2 \input taler-macros 3 4 \newcommand{\TITLE}{NEXT \\ GENERATION \\ INTERNET} 5 \newcommand{\SUB}{NGI TALER \& The Digital Euro} 6 \newcommand{\AUTHOR}{Tanja Lange, Christian Grothoff, Leon Schumacher} 7 \newcommand{\SPEAKER}{Tanja Lange, Christian Grothoff, Leon Schumacher} 8 \newcommand{\INST}{NGI TALER} 9 \newcommand{\DATE}{28.05.2024} 10 11 % Do not edit this part 12 \title{\TITLE} 13 \subtitle{\SUB} 14 \date{\DATE} 15 \author[\SPEAKER]{\AUTHOR} 16 \institute{\INST} 17 18 \begin{document} 19 20 \begin{frame}[plain] 21 \maketitle 22 \end{frame} 23 24 25 \begin{frame}{What is Taler?} 26 \framesubtitle{\url{https://taler.net/en/features.html}} \noindent 27 Taler is 28 \vfill 29 \begin{itemize} 30 \item a Free/Libre software \emph{payment system} infrastructure project 31 \item ... with a surrounding software ecosystem 32 \item ... and a consortium (NGI TALER) and 33 community that wants to deploy it 34 as widely as possible. 35 \end{itemize} 36 \vfill 37 \noindent 38 However, Taler is 39 \begin{itemize} 40 \item \emph{not} a currency or speculative asset 41 \item \emph{not} a long-term store of value 42 \item \emph{not} a network or instance of a system 43 \item \emph{not} decentralized 44 \item \emph{not} based on proof-of-work or proof-of-stake 45 \end{itemize} 46 \end{frame} 47 48 49 \begin{frame}{NGI TALER partners} 50 \begin{center} 51 \begin{tabular}{cccc} 52 \includegraphics[height=2cm]{partner-logos/logo-tue.svg.png} 53 & 54 \includegraphics[height=2cm]{partner-logos/logo-GlsBank.svg.png} 55 & 56 \includegraphics[height=2cm]{partner-logos/logo-codeblau.svg.png} 57 & 58 \includegraphics[height=2cm]{partner-logos/logo-visualvest.svg.png} 59 \\ 60 \includegraphics[height=2cm]{partner-logos/logo-TalerSystems.svg.png} 61 & 62 \includegraphics[height=2cm]{partner-logos/logo-ps.png} 63 & 64 \includegraphics[height=2cm]{partner-logos/logo-esen.svg.png} 65 & 66 \includegraphics[height=2cm]{partner-logos/logo-HomoDigitalis.svg.png} 67 \\ 68 \includegraphics[height=2cm]{partner-logos/logo-nlnet.svg.png} 69 & 70 \includegraphics[height=2cm]{partner-logos/logo-MagNetBank.svg.png} 71 & 72 \includegraphics[height=2cm]{partner-logos/logo-bfh.svg.png} 73 & 74 \\ 75 \end{tabular} 76 \end{center} 77 \end{frame} 78 79 80 \begin{frame}{Design principles} 81 \framesubtitle{https://taler.net/en/principles.html} 82 GNU Taler must ... 83 \begin{enumerate} 84 \item {... be implemented as {\bf free software}.} 85 \item {... protect the {\bf privacy of buyers}.} 86 \item {... enable the state to {\bf tax income} and crack down on 87 illegal business activities.} 88 \item {... prevent payment fraud.} 89 \item {... only {\bf disclose the minimal amount of information 90 necessary}.} 91 \item {... be usable.} 92 \item {... be efficient.} 93 \item {... avoid single points of failure.} 94 \item {... foster {\bf competition}.} 95 \end{enumerate} 96 \end{frame} 97 98 99 \begin{frame}{Architecture of Taler} 100 \begin{center} 101 \includegraphics[height=6.5cm]{operations.png} 102 \end{center} 103 \end{frame} 104 105 106 \begin{frame}{GNU Taler vs. Digital Euro}{Fundamentals} 107 \begin{minipage}{0.4\textwidth} 108 {\bf GNU Taler:} \\ 109 \begin{itemize} 110 \item Payment with one-time {\bf tokens} 111 \item Cryptographic privacy for payer 112 \item Suitable for children, tourists, ... 113 \item Free and Open Source 114 \item Deployed by community 115 \end{itemize} 116 \end{minipage} 117 \begin{minipage}{0.4\textwidth} 118 {\bf Digital Euro:}\\ 119 \begin{itemize} 120 \item Payment using bank {\bf accounts} 121 \item Privacy by policy, linkable payments 122 \item Requires ability to open bank account 123 \item ECB-proprietary 124 \item 10 years behind SOA 125 \end{itemize} 126 \end{minipage} 127 \end{frame} 128 129 130 \begin{frame}{GNU Taler vs. Digital Euro}{Usability} 131 \begin{minipage}{0.4\textwidth} 132 {\bf GNU Taler:} \\ 133 \begin{itemize} 134 \item Self-custody 135 \item Authorize locally 136 \item One-click 137 \item 6+ platforms today 138 \end{itemize} 139 \end{minipage} 140 \begin{minipage}{0.4\textwidth} 141 {\bf Digital Euro:}\\ 142 \begin{itemize} 143 \item Account-based 144 \item Authenticate to provider 145 \item Multi-factor 146 \item FAANG-only? 147 \end{itemize} 148 \end{minipage} 149 \end{frame} 150 151 152 \begin{frame}{GNU Taler vs. Digital Euro}{Use-cases} 153 \begin{minipage}{0.4\textwidth} 154 {\bf GNU Taler:} \\ 155 \begin{itemize} 156 \item Traditional payments 157 \item Micropayments 158 \item IoT payments 159 \item Non-fiat currencies 160 \item Other assets 161 \item[$\Rightarrow$] New type of service 162 \end{itemize} 163 \end{minipage} 164 \begin{minipage}{0.4\textwidth} 165 {\bf Digital Euro:}\\ 166 \begin{itemize} 167 \item Traditional payments 168 \item - 169 \item - 170 \item Only Euros 171 \item - 172 \item[$\Rightarrow$] Replacement service 173 \end{itemize} 174 \end{minipage} 175 \end{frame} 176 177 178 \begin{frame}{Digital Euro}{Dangerous decisions} 179 \begin{itemize} 180 \item {\bf Offline requirement} assumes copy-protection unbreakable by NSA \& FSB 181 \item {\bf Waterfall} link to bank account implies compromise of Digital Euro 182 account also compromises linked bank accounts 183 \item {\bf Lack of privacy} enables ``absolute control'' of central bank over 184 private finances 185 \item {\bf Direct competition} for bank accounts and traditional payment 186 services disrupts banking sector financial stability 187 \item {\bf Non-FLOSS} solution limits interoperability and international 188 adoption 189 \end{itemize} 190 \end{frame} 191 192 193 \begin{frame}{Endgame}{Risk management} 194 \vfill 195 \begin{center} 196 The ECB tender asks for {\bf redundant} implementations of 197 their design. 198 \end{center} 199 \vfill 200 \begin{center} 201 The {\bf design} of a CBDC is the hardest problem, 202 not the implementation. 203 \end{center} 204 \vfill 205 \end{frame} 206 207 208 % This should be last... 209 \begin{frame}{Acknowledgements} 210 211 \begin{minipage}{0.45\textwidth} \ \\ 212 {\tiny Funded by the European Union (Project 101135475).} 213 214 \begin{center} 215 \includegraphics[width=0.5\textwidth]{bandera.jpg} 216 \end{center} 217 \end{minipage} 218 \hfill 219 \begin{minipage}{0.45\textwidth} 220 {\tiny Funded by SERI (HEU-Projekt 101135475-TALER).} 221 222 \begin{center} 223 \includegraphics[width=0.65\textwidth]{sbfi.jpg} 224 \end{center} 225 \end{minipage} 226 227 \vfill 228 229 {\tiny Views and opinions expressed are however those of the author(s) only 230 and do not necessarily reflect those of the European Union. Neither the 231 European Union nor the granting authority can be held responsible for 232 them.} 233 \end{frame} 234 235 \end{document}