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[taler-marketing] branch master updated: wb
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gnunet |
Subject: |
[taler-marketing] branch master updated: wb |
Date: |
Thu, 04 Nov 2021 12:33:22 +0100 |
This is an automated email from the git hooks/post-receive script.
grothoff pushed a commit to branch master
in repository marketing.
The following commit(s) were added to refs/heads/master by this push:
new eb1390c wb
eb1390c is described below
commit eb1390cf6937d2f1e0779950d550c56fada17a01
Author: Christian Grothoff <christian@grothoff.org>
AuthorDate: Thu Nov 4 12:33:14 2021 +0100
wb
---
presentations/2021-cb/oenb.tex | 18 ---
presentations/2021-cb/wb.tex | 257 +++++++++++++++++++++++++++++++++++++++++
2 files changed, 257 insertions(+), 18 deletions(-)
diff --git a/presentations/2021-cb/oenb.tex b/presentations/2021-cb/oenb.tex
index a62e8dc..6b95cf1 100644
--- a/presentations/2021-cb/oenb.tex
+++ b/presentations/2021-cb/oenb.tex
@@ -1094,24 +1094,6 @@ But of course we use modern instantiations.
\end{frame}
-\begin{frame}{Requirements: Online vs. Offline Digital Currencies}
-\framesubtitle{\url{https://taler.net/papers/euro-bearer-online-2021.pdf}}
-\begin{itemize}
- \item Offline capabilities are sometimes cited as a requirement for
digital payment solutions
- \item All implementations must either use restrictive hardware elements
and/or introduce
- counterparty risk.
- \item[$\Rightarrow$] Permanent offline features weaken a digital payment
solution (privacy, security)
- \item[$\Rightarrow$] Introduces unwarranted competition for physical cash
(endangers emergency-preparedness).
- \end{itemize}
- We recommend a tiered approach:
- \begin{enumerate}
- \item Online-first, bearer-based digital currency with Taler
-% \item (Optional:) Limited offline mode for network outages
- \item Physical cash for emergencies (power outage, catastrophic cyber
incidents)
- \end{enumerate}
-\end{frame}
-
-
\begin{frame}{Scalability}
On paper, the design scales linearly with computing resources:
\begin{itemize}
diff --git a/presentations/2021-cb/wb.tex b/presentations/2021-cb/wb.tex
new file mode 100644
index 0000000..8301e0f
--- /dev/null
+++ b/presentations/2021-cb/wb.tex
@@ -0,0 +1,257 @@
+\pdfminorversion=3
+\documentclass[fleqn,xcolor={usenames,dvipsnames}]{beamer}
+\usepackage{amsmath}
+\usepackage{multimedia}
+\usepackage[utf8]{inputenc}
+\usepackage{framed,color,ragged2e}
+\usepackage[absolute,overlay]{textpos}
+\definecolor{shadecolor}{rgb}{0.8,0.8,0.8}
+\usetheme{boxes}
+\setbeamertemplate{navigation symbols}{}
+\usepackage{xcolor}
+\usepackage{tikz,eurosym}
+\usepackage[normalem]{ulem}
+\usepackage{listings}
+\usepackage{adjustbox}
+
+% CSS
+\lstdefinelanguage{CSS}{
+ basicstyle=\ttfamily\scriptsize,
+
keywords={color,background-image:,margin,padding,font,weight,display,position,top,left,right,bottom,list,style,border,size,white,space,min,width,
transition:, transform:, transition-property, transition-duration,
transition-timing-function},
+ sensitive=true,
+ morecomment=[l]{//},
+ morecomment=[s]{/*}{*/},
+ morestring=[b]',
+ morestring=[b]",
+ alsoletter={:},
+ alsodigit={-}
+}
+
+% JavaScript
+\lstdefinelanguage{JavaScript}{
+ basicstyle=\ttfamily\scriptsize,
+ morekeywords={typeof, new, true, false, catch, function, return, null,
catch, switch, var, if, in, while, do, else, case, break},
+ morecomment=[s]{/*}{*/},
+ morecomment=[l]//,
+ morestring=[b]",
+ morestring=[b]'
+}
+
+\lstdefinelanguage{HTML5}{
+ basicstyle=\ttfamily\scriptsize,
+ language=html,
+ sensitive=true,
+ alsoletter={<>=-},
+ morecomment=[s]{<!-}{-->},
+ tag=[s],
+ otherkeywords={
+ % General
+ >,
+ % Standard tags
+ <!DOCTYPE,
+ </html, <html, <head, <title, </title, <style, </style, <link, </head,
<meta, />,
+ % body
+ </body, <body,
+ % Divs
+ </div, <div, </div>,
+ % Paragraphs
+ </p, <p, </p>,
+ % scripts
+ </script, <script,
+ % More tags...
+ <canvas, /canvas>, <svg, <rect, <animateTransform, </rect>, </svg>, <video,
<source, <iframe, </iframe>, </video>, <image, </image>
+ },
+ ndkeywords={
+ % General
+ =,
+ % HTML attributes
+ charset=, src=, id=, width=, height=, style=, type=, rel=, href=,
+ % SVG attributes
+ fill=, attributeName=, begin=, dur=, from=, to=, poster=, controls=, x=, y=,
repeatCount=, xlink:href=,
+ % CSS properties
+ margin:, padding:, background-image:, border:, top:, left:, position:,
width:, height:,
+ % CSS3 properties
+ transform:, -moz-transform:, -webkit-transform:,
+ animation:, -webkit-animation:,
+ transition:, transition-duration:, transition-property:,
transition-timing-function:,
+ }
+}
+
+\lstdefinelanguage{JavaScript}{
+ basicstyle=\ttfamily\scriptsize,
+ keywords={typeof, new, true, false, catch, function, return, null, catch,
switch, var, if, in, while, do, else, case, break, for},
+ keywordstyle=\color{blue}\bfseries,
+ ndkeywords={class, export, boolean, throw, implements, import, this},
+ ndkeywordstyle=\color{darkgray}\bfseries,
+ identifierstyle=\color{black},
+ sensitive=false,
+ comment=[l]{//},
+ morecomment=[s]{/*}{*/},
+ commentstyle=\color{purple}\ttfamily,
+ stringstyle=\color{red}\ttfamily,
+ morestring=[b]',
+ morestring=[b]"
+}
+
+\usetikzlibrary{shapes,arrows}
+\usetikzlibrary{positioning}
+\usetikzlibrary{calc}
+
+\title{GNU Taler for Programmable Money}
+%\subtitle{}
+
+\setbeamertemplate{navigation symbols}{\includegraphics[width=1cm]{inria.pdf}
\includegraphics[width=2.3cm]{bfh.png} \includegraphics[width=1.6cm]{fub.pdf}
\includegraphics[width=0.4cm]{ashoka.png}
\includegraphics[width=0.4cm]{gnu.png}
\includegraphics[width=1cm]{logo-2020.jpg} \hfill}
+%\setbeamercovered{transparent=1}
+
+\author[C. Grothoff]{{\bf C. Grothoff}}
+\date{4.11.2021}
+\institute{Taler Systems SA}
+
+
+\begin{document}
+
+\justifying
+
+\begin{frame}
+ \begin{center}
+ \LARGE {\bf GNU}
+
+ \vfill
+% \includegraphics[width=0.66\textwidth]{logo-2017-fr.pdf}
+ \includegraphics[width=0.66\textwidth]{logo-2020.jpg}
+
+ as a Retail CBDC
+ \vfill
+ \end{center}
+\begin{textblock*}{6cm}(.5cm,7.7cm) % {block width} (coords)
+ {\Large {\bf \href{https://taler.net/}{taler.net}} \\
+ \href{https://twitter.com/taler}{taler@twitter} \\
+ \href{https://taler-systems.com/}{taler-systems.com}}
+\end{textblock*}
+
+% Substitute based on who is giving the talk!
+ \begin{textblock*}{6cm}(6.7cm,7.7cm) % {block width} (coords)
+ {%\hfill {\Large {\bf Florian Dold \&} \\
+ \hfill {\bf Christian Grothoff} \\
+ \hfill grothoff@taler.net }
+\end{textblock*}
+
+\end{frame}
+
+\section{Introduction}
+
+
+\begin{frame}{Who are ``we''?}
+ \begin{itemize}
+ \item CEO of Taler Systems SA: company in Luxembourg
+ \item Maintainer of GNU Taler: Free Software package of the GNU project
+ \item Professor at Bern University of Applied Sciences: Swiss university
+ \end{itemize}
+\end{frame}
+
+
+\begin{frame}{Some of the people behind GNU Taler}
+{\tiny
+\begin{itemize}
+ \item Prof. David Chaum (original research)
+ \item Dr. Florian Dold (cryptography, systems engineering)
+ \item Dr. Belén Barros Pena (UX design, accessibility)
+ \item Prof. Christian Grothoff (research \& development)
+ \item Prof. Andreas Habegger (research, hardware)
+ \item Dr. Thomas Moser (economics)
+ \item Dr. Richard Stallman (advisory)
+ \item Leon Schumacher, MBA (business)
+ \item Prof. Hansj\"urg Wenger (research, deployment)
+ \item Dr. Michael Widmer, MBA (legal)
+ \item Jonathan (iOS wallet)
+ \item Marcello (bank integration)
+ \item Marco (scalability, snack machine)
+ \item \"Ozg\"ur (security audit, age restrictions)
+ \item Sebastian (Web interface)
+ \item Stefan (documentation, project management)
+ \item Torsten (Andorid wallet)
+\end{itemize}
+}
+\end{frame}
+
+
+\begin{frame}{Main Points}
+ \framesubtitle{\url{https://taler.net/}}
+Our CBDC:
+\begin{itemize}
+\item is token-based (no accounts), centrally issued (not DLT); as efficient
and cost-effective
+as modern real-time gross settlement (RTGS) systems operated by central banks;
+\item is designed to provide an electronic equivalent to banknotes, therefore
no material
+impact on monetary policy and/or financial stability expected;
+\item guarantees privacy for the payer, combined with KYC/AML/CFT compliance
and
+income transparency to ensure taxes are paid;
+\item is implemented as Free/Libre and Open Source Software (FLOSS) to provide
+transparency, accountability, and security (part of the GNU project).
+\end{itemize}
+\end{frame}
+
+
+\begin{frame}{Taler for Programmable Money}
+ Relevant Taler core features:
+ \begin{itemize}
+ \item Taler coins are public-private key pairs. Buyers use them to
digitally sign contracts.
+ \item Merchants have public-private key pairs to sign contracts.
+ \item RTGS transactions are associated with a wallet using a
public-private key pair.
+ \item Core operations all yield externally verifiable cryptographic proofs!
+ \end{itemize}
+ Simple programmable features:
+ \begin{itemize}
+ \item Partial spending of a coin's value
+ \item Merchants refunding (anonymous) consumers
+ \item Merchants requesting aggregated payments to reduce RTGS costs
+ \end{itemize}
+\end{frame}
+
+
+\begin{frame}{Taler for Programmable Assets}
+ We have detailed protocol designs for:
+ \begin{itemize}
+ \item Privacy-preserving age-restrictions on coins
+ \item Pay for spam: automated payment requests, payments and refunds to
fight unsolicited messaging.
+ \end{itemize}
+ We have plans for:
+ \begin{itemize}
+ \item Secure auctions (currency conversion, stock trading, E-bay)
+ \item Dividend distribution for coins representing shares
+ \item Shareholder voting in corporate decision making
+ \end{itemize}
+\end{frame}
+
+
+
+
+\begin{frame}
+\frametitle{Do you have any questions?}
+\vfill
+References:
+{\tiny
+ \begin{enumerate}
+ \item{David Chaum, Christian Grothoff and Thomas Moser.
+ {\em How to issue a central bank digital currency}.
+ {\bf SNB Working Papers, 2021}.}
+ \item{Christian Grothoff, Bart Polot and Carlo von Loesch.
+ {\em The Internet is broken: Idealistic Ideas for Building a GNU
Network}.
+ {\bf W3C/IAB Workshop on Strengthening the Internet Against Pervasive
Monitoring (STRINT)}, 2014.}
+ \item{Jeffrey Burdges, Florian Dold, Christian Grothoff and Marcello Stanisci.
+ {\em Enabling Secure Web Payments with GNU Taler}.
+ {\bf SPACE 2016}.}
+ \item{Florian Dold, Sree Harsha Totakura, Benedikt M\"uller, Jeffrey Burdges
and Christian Grothoff.
+ {\em Taler: Taxable Anonymous Libre Electronic Reserves}.
+ Available upon request. 2016.}
+ \item{David Chaum, Amos Fiat and Moni Naor.
+ {\em Untraceable electronic cash}.
+ {\bf Proceedings on Advances in Cryptology, 1990}.}
+ \item{Phillip Rogaway.
+ {\em The Moral Character of Cryptographic Work}.
+ {\bf Asiacrypt}, 2015.} \label{bib:rogaway}
+\end{enumerate}
+}
+\end{frame}
+
+
+\end{document}
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