[taler-marketing] branch master updated: update slides

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grothoff pushed a commit to branch master
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The following commit(s) were added to refs/heads/master by this push:
     new 9d1b3cb  update slides
9d1b3cb is described below

commit 9d1b3cb8d1bcdc0dfc65cfbd5259f72abf4c78ec
Author: Christian Grothoff <christian@grothoff.org>
AuthorDate: Sun Apr 25 18:49:11 2021 +0200

    update slides
---
 presentations/2021-cb/slides.tex | 171 ++++++++++++++++++++++-----------------
 1 file changed, 98 insertions(+), 73 deletions(-)

diff --git a/presentations/2021-cb/slides.tex b/presentations/2021-cb/slides.tex
index 19bb199..c454cc2 100644
--- a/presentations/2021-cb/slides.tex
+++ b/presentations/2021-cb/slides.tex
@@ -120,7 +120,7 @@
     \vfill
   \end{center}
 \begin{textblock*}{4cm}(.5cm,6.7cm) % {block width} (coords)
-  {\Large {\bf \url{taler-systems.com}} \\
+  {\Large {\bf \href{https://taler-systems.com/}{taler-systems.com}} \\
     Twitter: @taler \\
     mail@taler.net }
 \end{textblock*}
@@ -139,7 +139,9 @@
 \section{Introduction}
 
 \begin{frame}{What is Taler?}
-  Taler is
+  \framesubtitle{\url{https://taler.net/en/features.html}}
+  \noindent
+Taler is
   \vfill
   \begin{itemize}
     \item a Free/Libre software \emph{payment system} infrastructure project
@@ -148,13 +150,8 @@
       as widely as possible.
   \end{itemize}
   \vfill
-  Retail CBDCs are an important topic, and Taler could
-  serve as the foundation for a solution.
-\end{frame}
-
-\begin{frame}{What is Taler NOT?}
-  However, Taler is
-  \vfill
+\noindent
+However, Taler is
   \begin{itemize}
     \item \emph{not} a currency
     \item \emph{not} a long-term store of value
@@ -169,34 +166,40 @@
 \begin{frame}{Taler: Payment System Architecture}
   \vfill
 \begin{center}
-\includegraphics[width=0.7\textwidth]{operations.png}
+\includegraphics[width=1\textwidth]{operations.png}
 \end{center}
 \end{frame}
 
 \begin{frame}{The Taler Software Ecosystem}
-  Taler is based on modular components that work together to provide a (CBDC)
-  payment system.
+  \framesubtitle{\url{https://taler.net/en/docs.html}}
+  Taler is based on modular components that work together to provide a
+  complete payment system:
   \vfill
   \begin{itemize}
     \item {\bf Exchange:} Service provider for digital cash
       \begin{itemize}
-        \item Core exchange software
-        \item Air-gapped key management
-        \item Real-time auditing
-        \item LibEuFin: Modular integration with external settlement / RTGS 
layer
+        \item Core exchange software (cryptography, database)
+        \item Air-gapped key management, real-time {\bf auditing}
+        \item LibEuFin: Modular integration with banking systems
       \end{itemize}
     \item {\bf Merchant:} Integration service for existing businesses
-    \item {\bf User:} Wallets and surrounding services
       \begin{itemize}
-        \item Multi-platform wallet software
+        \item Core merchant backend software (cryptography, database)
+        \item Back-office interface for staff
+        \item Frontend integration (E-commerce, Point-of-sale)
+      \end{itemize}
+    \item {\bf Wallet:} Consumer-controlled applications for e-cash
+      \begin{itemize}
+        \item Multi-platform wallet software (for browsers \& mobile phones)
         \item Wallet backup storage providers
-        \item Anastasis: Recovery of lost wallets based on secret splitting.
+        \item {\bf Anastasis}: Recovery of lost wallets based on secret 
splitting
       \end{itemize}
   \end{itemize}
 \end{frame}
 
 
 \begin{frame}{Taler Protocol}
+  \framesubtitle{\url{https://taler.net/papers/thesis-dold-phd-2019.pdf}}
   \begin{itemize}
     \item Core concept:  Blind-signed tokens of value
     \item Based on stable, proven cryptographic constructions and primitives
@@ -210,20 +213,24 @@
 
 
 
-\begin{frame}{CBDC is a Hot Topic}
-  \vfill
-\begin{center}
-\includegraphics[width=1.0\textwidth]{cbdc-news.png}
-\end{center}
-\end{frame}
+%\begin{frame}{CBDC is a Hot Topic}
+%  \vfill
+%\begin{center}
+%\includegraphics[width=1.0\textwidth]{cbdc-news.png}
+%\end{center}
+%\end{frame}
 
 \begin{frame}{CBDC initiatives and Taler}
-  Many initiatives are currently at the level of requirements discussion
+  Many initiatives are currently at the level of requirements discussion:
+  \begin{minipage}{7cm}
   \begin{itemize}
-    \item ECB: Report on a Digital Euro / Eurosystem report on the public 
consultation on a digital euro
+    \item ECB: Report on a Digital Euro / Eurosystem report on the public 
consultation on a Digital Euro
     \item Bank of England: Just initiated a task force
-    \item ...
   \end{itemize}
+  \end{minipage}
+  \begin{minipage}{5cm}
+  \includegraphics[width=0.8\textwidth]{cbdc-news.png}
+  \end{minipage}
   \vfill
   Taler can serve as the foundation for a \emph{bearer-based} \emph{retail} 
CBDC.
   \begin{itemize}
@@ -253,43 +260,49 @@ GNU Taler must ...
 \end{frame}
 
 
-\begin{frame}{Taler: Unique Regulatory Features}
-  Taler balances regulatory compliance (KYC/AML/CFT) with data privacy.
-
+\begin{frame}{Taler: Unique Regulatory Features for CBs}
+  
\framesubtitle{\url{https://www.snb.ch/en/mmr/papers/id/working_paper_2021_03}}
   \begin{itemize}
-    \item Withdrawal limits
-    \item Income transparency (KYC required to receive money)
-    \item Fully automated audits
-    \item Revocation protocols and loss limitation for catastropic cyber 
security incidents
-    \item Data minimization can simplify compilance (GDPR, etc.) and reduce 
impact of
-      data breaches at merchants
-    \item Privacy of spending by (cryptographic) design, not just legal 
compliance
+    \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 Revocation protocols and loss limitations \\
+          $\Rightarrow$ exit strategy and handles catastrophic security 
incidents
+    \item Privacy by cryptographic design not organizational compliance \\
+          $\Rightarrow$ CB cannot be forced to facilitate mass-surveillance
   \end{itemize}
 \end{frame}
 
 \begin{frame}{Requirements: Online vs. Offline CBDC}
-  \begin{itemize}
+\framesubtitle{\url{https://taler.net/papers/euro-bearer-online-2021.pdf}}
+\begin{itemize}
     \item Offline capabilities are often cited as a requirement for CBDC
     \item All implementations must either use restrictive hardware elements 
and/or introduce
       counterparty risk.
-    \item $\Rightarrow$ Permanent offline features weaken a CBDC solution 
(privacy, security)
-      and the existing physical cash system (emergency-preparedness).
-    \item $\Rightarrow$ We recommend a tiered approach:
+    \item[$\Rightarrow$] Permanent offline features weaken a CBDC 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 CBDC
         \item (Optional:) Limited offline mode for network outages
         \item Physical cash for emergencies (power outage, catastrophic cyber 
incidents)
       \end{enumerate}
-  \end{itemize}
 \end{frame}
 
 \begin{frame}{Taler: Project Status}
-  \begin{itemize}
+\framesubtitle{\url{https://docs.taler.net/}}
+\begin{itemize}
     \item Cryptographic protocols and core exchange component are stable
-    \item Current focus: Merchant integration, RTGS / settlement integration, 
wallet backup
-    \item Direct wallet-to-wallet payments are planned
-    \item Pilot project at Bern University Cafeteria
-    \item Internal alpha deployment with a German bank in progress
+    \item Current focus: Merchant integration, settlement integration, wallet 
backup
+    \item Pilot project at Bern University of Applied Sciences cafeteria
+    \item Internal alpha deployment with a commercial bank in progress
   \end{itemize}
 \end{frame}
 
@@ -302,33 +315,42 @@ GNU Taler must ...
 \end{frame}
 
 \begin{frame}{Area I: System Integration and Partnerships}
+  \framesubtitle{\url{https://taler-systems.com/}}
+  Pilots with CB and international CB support organizations could:
   \begin{itemize}
-    \item Integration with the underlying settlement / RTGS layer
-    \item Integration with KYC for Wallet-to-Wallet payments
-    \item Analysis/exploration of regulatory considerations in different 
legislations
-    \item Building awareness of Taler as a bearer-based retail CBDC
-  \end{itemize}
-\end{frame}
-
-\begin{frame}{Area II: Security-focused Deployment and Operations}
+    \item Study integration with the underlying RTGS layer:
   \begin{itemize}
-    \item Further external security audits of Taler components
-    \item Standardization of procedures for deploying and operating Taler 
components.
+    \item Develop standardized operational procedures
+    \item Assess transaction performance at scale
+    \item Perform cost analysis in CB environment
+    \item Assess effort for integration with commercial banks
+  \end{itemize}
+    \item Analyze regulatory considerations for different legislations
+%    \item Building awareness of Taler as a bearer-based retail CBDC
+    \item Perform independent security audits of Taler components
+    \item Determine and possibly close gaps in the existing solution
   \end{itemize}
 \end{frame}
 
-\begin{frame}{Area III: Development/Research Extensions}
-  Protocol extensions and "smart money":
+
+\begin{frame}{Area II: Development/Research Extensions}
+  \framesubtitle{\url{https://myoralvillage.org/}}
+We have ideas for protocol extensions and ``smart money'':
   \begin{itemize}
-    \item Direct wallet-to-wallet payments (instead of customer-to-merchant)
-    \item Age-restricted payments for children
-    \item Privacy-preserving auctions
+    \item Mediated wallet-to-wallet payments (instead of customer-to-merchant)
+    \item Privacy-preserving auctions (trading, currency exchange)
+    \item Age-restricted private payments for children (youth protection)
   \end{itemize}
-
-  Usability extensions and research:
+CBs should also consider funding research to improve:
   \begin{itemize}
-    \item Improvement and research on wallet usability
+    \item General digital wallet usability and availability
     \item Accessibility features for illiterate and innumerate users
+    \item Projects that facilitate integration at retailers
+  \begin{itemize}
+    \item Hardware and software support for embedded systems
+    \item Integration into off-the-self E-commerce systems
+  \end{itemize}
+    \item Protocol extensions for automated tax reporting
   \end{itemize}
 \end{frame}
 
@@ -337,12 +359,12 @@ GNU Taler must ...
 \frametitle{Do you have any questions?}
 
 \vfill
-References:
+Further reading:
 {\tiny
   \begin{enumerate}
- \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{David Chaum, Christian Grothoff and Thomas Moser.
+       {\em How to issue a central bank digital currency}.
+       {\bf SNB Working Papers, 2021}.}
  \item{Jeffrey Burdges, Florian Dold, Christian Grothoff and Marcello Stanisci.
        {\em Enabling Secure Web Payments with GNU Taler}.
        {\bf SPACE 2016}.}
@@ -352,12 +374,15 @@ References:
  \item{Eli Ben-Sasson, Alessandro Chiesa, Christina Garman, Matthew Green, Ian 
Miers, Eran Tromer and Madars Virza.
        {\em Zerocash: Decentralized Anonymous Payments from Bitcoin}.
        {\bf IEEE Symposium on Security \& Privacy, 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}
+ \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{David Chaum, Amos Fiat and Moni Naor.
+       {\em Untraceable electronic cash}.
+       {\bf Proceedings on Advances in Cryptology, 1990}.}
 \end{enumerate}
 }
 \begin{center}

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