commit 3473978e5c5bf9fa3973f79c1ad94b40dde2cb79 parent 412c227ee2c091282bed3d39b0f4c92e47936435 Author: Christian Grothoff <christian@grothoff.org> Date: Fri, 28 Jun 2024 22:52:32 +0200 pzf Diffstat:
| A | presentations/2024-fisma/pzf-2024.tex | | | 239 | +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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diff --git a/presentations/2024-fisma/pzf-2024.tex b/presentations/2024-fisma/pzf-2024.tex @@ -0,0 +1,239 @@ +\documentclass[aspectratio=169,t]{beamer} +\input taler-macros + +\newcommand{\TITLE}{NEXT \\ GENERATION \\ INTERNET} +\newcommand{\SUB}{NGI TALER \& The Digital Euro} +\newcommand{\AUTHOR}{Christian Grothoff} +\newcommand{\SPEAKER}{Christian Grothoff} +\newcommand{\INST}{NGI TALER} +\newcommand{\DATE}{28.05.2024} + +% Do not edit this part +\title{\TITLE} +\subtitle{\SUB} +\date{\DATE} +\author[\SPEAKER]{\AUTHOR} +\institute{\INST} + +\begin{document} + +\begin{frame}[plain] +\maketitle +\end{frame} + + +\begin{frame}{What is Taler?} + \framesubtitle{\url{https://taler.net/en/features.html}} \noindent +Taler is + \vfill + \begin{itemize} + \item a Free/Libre software \emph{payment system} infrastructure project + \item ... with a surrounding software ecosystem + \item ... and a consortium (NGI TALER) and + community that wants to deploy it + as widely as possible. + \end{itemize} + \vfill +\noindent + However, Taler is + \begin{itemize} + \item \emph{not} a currency or speculative asset + \item \emph{not} a long-term store of value + \item \emph{not} a network or instance of a system + \item \emph{not} decentralized + \item \emph{not} based on proof-of-work or proof-of-stake + \end{itemize} +\end{frame} + + +\begin{frame}{NGI TALER partners} +\begin{center} +\begin{tabular}{cccc} +\includegraphics[height=2cm]{partner-logos/logo-tue.svg.png} +& +\includegraphics[height=2cm]{partner-logos/logo-GlsBank.svg.png} +& +\includegraphics[height=2cm]{partner-logos/logo-codeblau.svg.png} +& +\includegraphics[height=2cm]{partner-logos/logo-visualvest.svg.png} +\\ +\includegraphics[height=2cm]{partner-logos/logo-TalerSystems.svg.png} +& +\includegraphics[height=2cm]{partner-logos/logo-ps.png} +& +\includegraphics[height=2cm]{partner-logos/logo-esen.svg.png} +& +\includegraphics[height=2cm]{partner-logos/logo-HomoDigitalis.svg.png} +\\ +\includegraphics[height=2cm]{partner-logos/logo-nlnet.svg.png} +& +\includegraphics[height=2cm]{partner-logos/logo-MagNetBank.svg.png} +& +\includegraphics[height=2cm]{partner-logos/logo-bfh.svg.png} +& +\\ +\end{tabular} +\end{center} +\end{frame} + + +\begin{frame}{Design principles} + \framesubtitle{https://taler.net/en/principles.html} +GNU Taler must ... +\begin{enumerate} + \item {... be implemented as {\bf free software}.} + \item {... protect the {\bf privacy of buyers}.} + \item {... enable the state to {\bf tax income} and crack down on + illegal business activities.} + \item {... prevent payment fraud.} + \item {... only {\bf disclose the minimal amount of information + necessary}.} + \item {... be usable.} + \item {... be efficient.} + \item {... avoid single points of failure.} + \item {... foster {\bf competition}.} +\end{enumerate} +\end{frame} + + +\begin{frame}{Architecture of Taler} +\begin{center} + \includegraphics[height=6.5cm]{operations.png} +\end{center} +\end{frame} + + +\begin{frame}{GNU Taler vs. Digital Euro}{Fundamentals} + \begin{minipage}{0.4\textwidth} + {\bf GNU Taler:} \\ + \begin{itemize} + \item Payment with one-time {\bf tokens} + \item Cryptographic privacy for payer + \item Suitable for children, tourists, ... + \item Free and Open Source + \item Deployed by community + \end{itemize} + \end{minipage} + \begin{minipage}{0.4\textwidth} + {\bf Digital Euro:}\\ + \begin{itemize} + \item Payment using bank {\bf accounts} + \item Privacy by policy, linkable payments + \item Requires ability to open bank account + \item ECB proprietary + \item ``Moving target'' + \end{itemize} + \end{minipage} +\end{frame} + + +\begin{frame}{GNU Taler vs. Digital Euro}{Usability} + \begin{minipage}{0.4\textwidth} + {\bf GNU Taler:} \\ + \begin{itemize} + \item Self-custody + \item Authorize locally + \item One-click + \item 6+ platforms today + \end{itemize} + \end{minipage} + \begin{minipage}{0.4\textwidth} + {\bf Digital Euro:}\\ + \begin{itemize} + \item Account-based + \item Authenticate to provider + \item Multi-factor + \item FAANG-only? + \end{itemize} + \end{minipage} +\end{frame} + + +\begin{frame}{GNU Taler vs. Digital Euro}{Use-cases} + \begin{minipage}{0.4\textwidth} + {\bf GNU Taler:} \\ + \begin{itemize} + \item Traditional payments + \item Micropayments + \item IoT payments + \item Non-fiat currencies + \item Other assets + \item[$\Rightarrow$] New type of service + \end{itemize} + \end{minipage} + \begin{minipage}{0.4\textwidth} + {\bf Digital Euro:}\\ + \begin{itemize} + \item Traditional payments + \item - + \item - + \item Only Euros + \item - + \item[$\Rightarrow$] Replacement service + \end{itemize} + \end{minipage} +\end{frame} + + +\begin{frame}{Digital Euro}{Dangerous decisions} + \begin{itemize} + \item {\bf Offline requirement} assumes copy-protection unbreakable by NSA \& FSB + \item {\bf Waterfall} link to bank account implies compromise of Digital Euro + account also compromises linked bank accounts + \item {\bf Lack of privacy} enables ``absolute control'' of central bank over + private finances + \item {\bf Direct competition} for bank accounts and traditional payment + services disrupts banking sector financial stability + \item {\bf Non-FLOSS} solution limits interoperability and international + adoption + \end{itemize} +\end{frame} + + +\begin{frame}{Endgame}{Risk management} + \vfill + \begin{center} + The ECB tender asks for {\bf redundant} implementations of + their design. + \end{center} + \vfill + \begin{center} + The {\bf design} of a CBDC is the hardest problem, + not the implementation. + \end{center} + \vfill +\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}