harbinger-2024.tex (8891B)
1 \documentclass[aspectratio=169,t]{beamer} 2 \input taler-macros 3 \usepackage{multimedia} 4 5 \newcommand{\TITLE}{NEXT \\ GENERATION \\ INTERNET} 6 \newcommand{\SUB}{GNU Taler as a retail CBDC} 7 \newcommand{\AUTHOR}{Berna Alp and Ruchika Murmu} 8 \newcommand{\SPEAKER}{Berna Alp and Ruchika Murmu} 9 \newcommand{\INST}{Taler Systems SA} 10 \newcommand{\DATE}{October 17th 2024} 11 12 % Do not edit this part 13 \title{\TITLE} 14 \subtitle{\SUB} 15 \date{\DATE} 16 \author[\SPEAKER]{\AUTHOR} 17 \institute{\INST} 18 19 \begin{document} 20 21 \begin{frame}[plain] 22 \maketitle 23 \end{frame} 24 25 % Innovation, 26 % Technology, 27 % Functionality, 28 % Process Flow, 29 % Security aspects, 30 % current stage of proposal, 31 % market potential and scalability. 32 33 \begin{frame}{Main Points} 34 \framesubtitle{\url{https://taler.net/}} 35 \begin{minipage}{0.66\textwidth} 36 GNU Taler: 37 \begin{itemize} 38 \item is token-based, centrally issued; scalable, 39 benchmarked at {\bf 28k TPS on single server}; 40 \item provides electronic {\bf equivalent to banknotes} 41 %, no material impact on monetary policy; 42 \item guarantees {\bf privacy} for the payer; 43 \item KYC/AML/CFT {\bf compliance}; 44 \item implemented as {\bf FLOSS} to provide 45 transparency, accountability, and security; 46 \item {\bf design reviewed} by SNB, OeNB, BIS; % (Tourbillon); 47 \item implementatation had independent {\bf external security audits}. 48 \end{itemize} 49 \end{minipage} 50 \begin{minipage}{0.33\textwidth} 51 \vfill 52 \includegraphics[width=\textwidth]{galacticgrid.png} % external CBDC report image! 53 \begin{center} 54 \vspace{-0.5cm} 55 {\tiny Chavanette Advisors, 2024} 56 \end{center} 57 \vfill 58 \end{minipage} 59 \end{frame} 60 61 62 \begin{frame}{Why?} 63 \begin{itemize} 64 \item {\bf National sovereignity}: remove control of payment sector from foreign entities 65 \item Limit impact of bank failures on societal financial transaction processing needs, especially in cashless society 66 \item {\bf Access for the marginalized}: children, unbanked need access to payments as cash disappears 67 \item Financial self-determination: preserve ability to pay without 3rd party approval 68 \item {\bf Natural monopoly}: high payment fees to oligopoly or high integration costs to many payment service providers? 69 \end{itemize} 70 \end{frame} 71 72 73 \begin{frame}{The Big Picture (by SNB)} 74 \begin{center} 75 \includegraphics[width=0.7\textwidth]{bp.png} 76 \end{center} 77 \end{frame} 78 79 80 %\begin{frame}{Taler: Unique Features for rCBDC} 81 % \begin{itemize} 82 % \item Central bank issues digital coins equivalent to issuing cash \\ 83 % $\Rightarrow$ monetary policy remains under CB control 84 % \item Architecture with consumer accounts at commercial banks \\ 85 % $\Rightarrow$ no competition for commercial banking (S\&L) \\ 86 % $\Rightarrow$ CB does not have to manage KYC, customer support 87 % \item Withdrawal limits and denomination expiration \\ 88 % $\Rightarrow$ protects against bank runs and hoarding 89 % \item Income transparency and possibility to set fees \\ 90 % $\Rightarrow$ additional insights into economy and new policy options 91 % \item Privacy by cryptographic design not organizational compliance \\ 92 % $\Rightarrow$ CB maintains political neutrality 93 % \end{itemize} 94 %\end{frame} 95 96 97 \begin{frame}{Taler: Platforms} 98 %\begin{minipage}{0.45\textwidth} 99 %\begin{itemize} 100 % \item E-commerce integration(s) 101 % \item Merchant-offline payments 102 % \item Unlinkable subscriptions and discounts 103 % \item Privacy-preserving donation receipts 104 % \item Post-quantum privacy 105 % \item Secure sealed-bit auctions 106 % \item Ticketing for public transport 107 % \end{itemize} 108 %\end{minipage} 109 \begin{minipage}{0.30\textwidth} 110 \begin{itemize} 111 \item Android 7+ 112 \item Chrome 113 \item /E/ OS 114 \item F-Droid 115 \item Firefox 116 \item iPhone 6S+ 117 \item Opera 36+ 118 \item Ubuntu Touch 119 \end{itemize} 120 \end{minipage} 121 \begin{minipage}{0.30\textwidth} 122 \movie[autostart,poster]{\includegraphics[height=\textwidth]{white.png}}{Receive720.mp4} 123 \end{minipage} 124 \begin{minipage}{0.30\textwidth} 125 \movie[autostart,poster]{\includegraphics[height=\textwidth]{white.png}}{Pay720.mp4} 126 \end{minipage} 127 \end{frame} 128 129 130 \section{Competitor comparison} 131 \begin{frame}{Competitor comparison} 132 \begin{center} \small 133 \begin{tabular}{l||c|c|c|c|c} 134 & Cash & DLT & HW-Token & CB-Account & GNU Taler \\ \hline \hline 135 Online &$-$$-$$-$ & + & $-$ & ++ & +++ \\ \hline 136 Offline & +++ & $-$$-$$-$ & $+$ & $-$$-$ & ++ \\ \hline 137 Cost & $-$ & $-$$-$$-$ & $-$ & + & ++ \\ \hline 138 Speed & + & $-$$-$$-$ & $+$ & o & ++ \\ \hline 139 Taxation & $-$ & +++ & $-$$-$ & +++ & +++ \\ \hline 140 Payer-anon & ++ & $-$$-$ & ??? & $-$$-$ & +++ \\ \hline 141 Payee-anon & ++ & $-$$-$ & ??? & $-$$-$ & $-$$-$$-$ \\ \hline 142 Security & $-$ & ??? & $-$$-$ & o & ++ \\ \hline 143 Migration & +++ & $-$$-$$-$ & $-$$-$$-$& o & + \\ \hline 144 Libre & $-$ & ??? & $-$$-$$-$& N/A & +++ \\ 145 \end{tabular} 146 \end{center} 147 \end{frame} 148 149 150 \begin{frame}{Taler: Project Status} 151 \framesubtitle{\url{https://docs.taler.net/}} 152 \begin{itemize} 153 \item Cryptographic protocols and core components are stable 154 \item {\bf Pilot project} at Bern University of Applied Sciences since 2022 155 \item Operational in Basel as {\bf regional currency} 156 \item Used as {\bf event payment system} at multiple events in Germany 157 \item Current focus: deployment in {\bf Switzerland and Germany} within 3m 158 \item Work with Allin on integration for rural farming management app 159 \end{itemize} 160 \begin{center} 161 \includegraphics[width=0.5\textwidth]{taler-in-use.png} 162 \end{center} 163 \end{frame} 164 165 166 \begin{frame} 167 \frametitle{Do you have any questions?} 168 \vfill 169 References: 170 {\tiny 171 \begin{enumerate} 172 \item{Martin Summer and Hannes Hermanky. 173 {\em A digital euro and the future of cash}. 174 {\bf Monetary Policy \& The Economy Q1-Q2/22}, 2022.} 175 \item{David Chaum, Christian Grothoff and Thomas Moser. 176 {\em How to issue a central bank digital currency}. 177 {\bf SNB Working Papers}, 2021.} 178 \item{Priscilla Huang, Emmanuel Benoist, and Sebastian Javier Marchano. 179 {\em Practical Offline Payments Using One-Time Passcodes}. 180 {\bf SUREF Policy Note}, Issue No 622, June 2023.} 181 \item{Antoine d'Aligny, Emmanuel Benoist, Florian Dold, Christian Grothoff, \"Ozg\"ur Kesim and Martin Schanzenbach. 182 {\em Who comes after us? The correct mindset for designing a Central Bank Digital Currency}. 183 {\bf SUREF Policy Note}, Issue No 279, May 2022.} 184 \item{Christian Grothoff and Alex Pentland. 185 {\em Digital cash and privacy: What are the alternatives to Libra?}. 186 {\bf MIT Media Lab}, 2019.} 187 \end{enumerate} 188 } 189 \vfill 190 Partners: 191 192 \includegraphics[width=0.4cm]{letsgoallin_logo.jpeg} 193 \includegraphics[width=1cm]{myoralvillage.png} 194 \includegraphics[width=1cm]{../comprehensive/tud-logo.pdf} 195 \includegraphics[width=0.4cm]{../comprehensive/logo-esen.pdf} 196 \includegraphics[width=1cm]{../comprehensive/logo-GlsBank.pdf} 197 \includegraphics[width=0.6cm]{../comprehensive/logo-MagNetBank.pdf} 198 \includegraphics[width=0.4cm]{../comprehensive/logo-ps.pdf} 199 \includegraphics[width=0.4cm]{../comprehensive/logo-nlnet.pdf} 200 \includegraphics[width=0.4cm]{../comprehensive/logo-HomoDigitalis.pdf} 201 \includegraphics[width=0.4cm]{../comprehensive/logo-codeblau.pdf} 202 \includegraphics[width=1.4cm]{../comprehensive/logo-tue.pdf} 203 \includegraphics[width=0.6cm]{../comprehensive/logo-visualvest.pdf} 204 \includegraphics[width=1cm]{../comprehensive/inria.pdf} 205 \includegraphics[width=0.4cm]{../comprehensive/logo-bfh.pdf} 206 \includegraphics[width=1.6cm]{../comprehensive/fub.pdf} 207 \includegraphics[width=0.4cm]{../comprehensive/ashoka.png} 208 \includegraphics[width=0.4cm]{../comprehensive/gnu.png} 209 \end{frame} 210 211 % This should be last... 212 \begin{frame}{Acknowledgements} 213 214 \begin{minipage}{0.45\textwidth} \ \\ 215 {\tiny Funded by the European Union (Project 101135475).} 216 217 \begin{center} 218 \includegraphics[width=0.5\textwidth]{../bandera.jpg} 219 \end{center} 220 \end{minipage} 221 \hfill 222 \begin{minipage}{0.45\textwidth} 223 {\tiny Funded by SERI (HEU-Projekt 101135475-TALER).} 224 225 \begin{center} 226 \includegraphics[width=0.65\textwidth]{../sbfi.jpg} 227 \end{center} 228 \end{minipage} 229 230 \vfill 231 232 {\tiny 233 234 Views and opinions expressed are however those of the author(s) only 235 and do not necessarily reflect those of the European Union. Neither the 236 European Union nor the granting authority can be held responsible for 237 them. 238 239 } 240 \end{frame} 241 242 243 \begin{frame} 244 \frametitle{Architecture of Taler} 245 \begin{center} 246 \includegraphics[width=1\textwidth]{operations.png} 247 \end{center} 248 \end{frame} 249 250 251 252 \end{document}