commit e5ed3e9eb0a1eb21eb4b7f94ec289840bc073e1f parent 058cf32eaf20ec36188d9a334a3ca0974508b918 Author: Christian Grothoff <grothoff@gnunet.org> Date: Thu, 10 Oct 2024 19:09:20 +0200 harbinger Diffstat:
15 files changed, 603 insertions(+), 0 deletions(-)
diff --git a/presentations/2024-harbinger/Pay720.mp4 b/presentations/2024-harbinger/Pay720.mp4 Binary files differ. diff --git a/presentations/2024-harbinger/Receive720.mp4 b/presentations/2024-harbinger/Receive720.mp4 Binary files differ. diff --git a/presentations/2024-harbinger/bandera.jpg b/presentations/2024-harbinger/bandera.jpg Binary files differ. diff --git a/presentations/2024-harbinger/bp.png b/presentations/2024-harbinger/bp.png Binary files differ. diff --git a/presentations/2024-harbinger/galacticgrid.png b/presentations/2024-harbinger/galacticgrid.png Binary files differ. diff --git a/presentations/2024-harbinger/harbinger-2024.tex b/presentations/2024-harbinger/harbinger-2024.tex @@ -0,0 +1,236 @@ +\documentclass[aspectratio=169,t]{beamer} +\input taler-macros +\usepackage{multimedia} + +\newcommand{\TITLE}{NEXT \\ GENERATION \\ INTERNET} +\newcommand{\SUB}{GNU Taler as a retail CBDC} +\newcommand{\AUTHOR}{Berna Alp and Ruchika Murmu} +\newcommand{\SPEAKER}{Berna Alp and Ruchika Murmu} +\newcommand{\INST}{Taler Systems SA} +\newcommand{\DATE}{October 15th 2024} + +% Do not edit this part +\title{\TITLE} +\subtitle{\SUB} +\date{\DATE} +\author[\SPEAKER]{\AUTHOR} +\institute{\INST} + +\begin{document} + +\begin{frame}[plain] +\maketitle +\end{frame} + +% Innovation, +% Technology, +% Functionality, +% Process Flow, +% Security aspects, +% current stage of proposal, +% market potential and scalability. + +\begin{frame}{Main Points} + \framesubtitle{\url{https://taler.net/}} +\begin{minipage}{0.66\textwidth} +GNU Taler: +\begin{itemize} +\item is token-based, centrally issued; scalable, + benchmarked at 25k TPS on single server; +\item provides electronic equivalent to banknotes, no material + impact on monetary policy; +\item guarantees privacy for the payer; +\item KYC/AML/CFT compliance; +\item implemented as FLOSS to provide + transparency, accountability, and security; +\item design reviewed by SNB, OeNB, BIS; % (Tourbillon); +\item implementatation had independent external security audits. +\end{itemize} +\end{minipage} +\begin{minipage}{0.33\textwidth} + \vfill + \includegraphics[width=\textwidth]{galacticgrid.png} % external CBDC report image! + \vfill +\end{minipage} +\end{frame} + + +\begin{frame}{Why?} +\begin{itemize} +\item National sovereignity: remove control of payment sector from foreign entities +\item Limit impact of bank failures on societal financial transaction processing needs, especially in cashless society +\item Access for the marginalized: children, unbanked need access to payments as cash disappears +\item Financial self-determination: preserve ability to pay without 3rd party approval +\item Natural monopoly: high payment fees to oligopoly or high integration costs to many payment service providers? +\end{itemize} +\end{frame} + + +\begin{frame}{The Big Picture (by SNB)} + \begin{center} +\includegraphics[width=0.7\textwidth]{bp.png} +\end{center} +\end{frame} + + +\begin{frame}{Taler: Unique Features for rCBDC} + \begin{itemize} + \item Central bank issues digital coins equivalent to issuing cash \\ + $\Rightarrow$ monetary policy remains under CB control + \item Architecture with consumer accounts at commercial banks \\ + $\Rightarrow$ no competition for commercial banking (S\&L) \\ + $\Rightarrow$ CB does not have to manage KYC, customer support + \item Withdrawal limits and denomination expiration \\ + $\Rightarrow$ protects against bank runs and hoarding + \item Income transparency and possibility to set fees \\ + $\Rightarrow$ additional insights into economy and new policy options + \item Privacy by cryptographic design not organizational compliance \\ + $\Rightarrow$ CB maintains political neutrality + \end{itemize} +\end{frame} + + +\begin{frame}{Taler: Features \& Platforms} +\begin{minipage}{0.45\textwidth} +\begin{itemize} + \item E-commerce integration(s) + \item Merchant-offline payments + \item Unlinkable subscriptions and discounts + \item Privacy-preserving donation receipts + \item Post-quantum privacy + \item Secure sealed-bit auctions + \item Ticketing for public transport + \end{itemize} +\end{minipage} +\begin{minipage}{0.25\textwidth} +\begin{itemize} + \item Android 7+ + \item Chrome + \item /E/ OS + \item F-Droid + \item Firefox + \item iPhone 6S+ + \item Opera 36+ + \item Ubuntu Touch + \end{itemize} +\end{minipage} +\begin{minipage}{0.20\textwidth} + \movie[autostart,poster]{\includegraphics[height=\textwidth]{white.png}}{Receive720.mp4} + + \movie[autostart,poster]{\includegraphics[height=\textwidth]{white.png}}{Pay720.mp4} +\end{minipage} +\end{frame} + + +\section{Competitor comparison} +\begin{frame}{Competitor comparison} + \begin{center} \small + \begin{tabular}{l||c|c|c|c|c} + & Cash & DLT & HW-Token & CB-Account & GNU Taler \\ \hline \hline + Online &$-$$-$$-$ & + & $-$ & ++ & +++ \\ \hline + Offline & +++ & $-$$-$$-$ & $+$ & $-$$-$ & ++ \\ \hline + Cost & $-$ & $-$$-$$-$ & $-$ & + & ++ \\ \hline + Speed & + & $-$$-$$-$ & $+$ & o & ++ \\ \hline + Taxation & $-$ & +++ & $-$$-$ & +++ & +++ \\ \hline + Payer-anon & ++ & $-$$-$ & ??? & $-$$-$ & +++ \\ \hline + Payee-anon & ++ & $-$$-$ & ??? & $-$$-$ & $-$$-$$-$ \\ \hline + Security & $-$ & ??? & $-$$-$ & o & ++ \\ \hline + Migration & +++ & $-$$-$$-$ & $-$$-$$-$& o & + \\ \hline + Libre & $-$ & ??? & $-$$-$$-$& N/A & +++ \\ + \end{tabular} + \end{center} +\end{frame} + + +\begin{frame}{Taler: Project Status} +\framesubtitle{\url{https://docs.taler.net/}} +\begin{itemize} + \item Cryptographic protocols and core components are stable + \item Pilot project at Bern University of Applied Sciences since 2022 + \item Used at event payment system with 200+ participants in Germany + \item Operational in Basel as regional currency + \item Current focus: deployment in Switzerland and Germany within 3 months + \end{itemize} +\begin{center} +\includegraphics[width=0.5\textwidth]{taler-in-use.png} + \end{center} +\end{frame} + + +\begin{frame} +\frametitle{Do you have any questions?} +\vfill +References: +{\tiny + \begin{enumerate} + \item{Martin Summer and Hannes Hermanky. + {\em A digital euro and the future of cash}. + {\bf Monetary Policy \& The Economy Q1-Q2/22}, 2022.} + \item{David Chaum, Christian Grothoff and Thomas Moser. + {\em How to issue a central bank digital currency}. + {\bf SNB Working Papers}, 2021.} + \item{Priscilla Huang, Emmanuel Benoist, and Sebastian Javier Marchano. + {\em Practical Offline Payments Using One-Time Passcodes}. + {\bf SUREF Policy Note}, Issue No 622, June 2023.} + \item{Antoine d'Aligny, Emmanuel Benoist, Florian Dold, Christian Grothoff, \"Ozg\"ur Kesim and Martin Schanzenbach. + {\em Who comes after us? The correct mindset for designing a Central Bank Digital Currency}. + {\bf SUREF Policy Note}, Issue No 279, May 2022.} + \item{Christian Grothoff and Alex Pentland. + {\em Digital cash and privacy: What are the alternatives to Libra?}. + {\bf MIT Media Lab}, 2019.} +\end{enumerate} +} +\vfill +Partners: + +\includegraphics[width=0.4cm]{letsgoallin_logo.jpeg} +\includegraphics[width=1cm]{myoralvillage.png} +\includegraphics[width=1cm]{../comprehensive/tud-logo.pdf} +\includegraphics[width=0.4cm]{../comprehensive/logo-esen.pdf} +\includegraphics[width=1cm]{../comprehensive/logo-GlsBank.pdf} +\includegraphics[width=0.6cm]{../comprehensive/logo-MagNetBank.pdf} +\includegraphics[width=0.4cm]{../comprehensive/logo-ps.pdf} +\includegraphics[width=0.4cm]{../comprehensive/logo-nlnet.pdf} +\includegraphics[width=0.4cm]{../comprehensive/logo-HomoDigitalis.pdf} +\includegraphics[width=0.4cm]{../comprehensive/logo-codeblau.pdf} +\includegraphics[width=1.4cm]{../comprehensive/logo-tue.pdf} +\includegraphics[width=0.6cm]{../comprehensive/logo-visualvest.pdf} +\includegraphics[width=1cm]{../comprehensive/inria.pdf} +\includegraphics[width=0.4cm]{../comprehensive/logo-bfh.pdf} +\includegraphics[width=1.6cm]{../comprehensive/fub.pdf} +\includegraphics[width=0.4cm]{../comprehensive/ashoka.png} +\includegraphics[width=0.4cm]{../comprehensive/gnu.png} +\end{frame} + +% This should be last... +\begin{frame}{Acknowledgements} + + \begin{minipage}{0.45\textwidth} \ \\ + {\tiny Funded by the European Union (Project 101135475).} + + \begin{center} + \includegraphics[width=0.5\textwidth]{../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]{../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/2024-harbinger/letsgoallin_logo.jpeg b/presentations/2024-harbinger/letsgoallin_logo.jpeg Binary files differ. diff --git a/presentations/2024-harbinger/logo-NGI_TALER.ai b/presentations/2024-harbinger/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" + xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd" + xmlns:xlink="http://www.w3.org/1999/xlink" + xmlns="http://www.w3.org/2000/svg" + xmlns:svg="http://www.w3.org/2000/svg"> + <defs + id="defs2141"> + 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+ +\setbeamercolor{subtitle}{fg=white} +\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% + \hskip3pt% + \insertframenumber + \hfill + \SPEAKER + \hfill + Team-23 Taler Systems SA + \hfill + \includegraphics[height=0.7cm]{../logo-NGI_TALER_Bold.png} + \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} +} + diff --git a/presentations/2024-harbinger/white.png b/presentations/2024-harbinger/white.png Binary files differ.
