commit 7f0e27ac8592aa51d20b2d49c9b0c7bfbd45e968
parent 49c8d2b14557f4949abfda580c5e4c67a447a354
Author: Christian Grothoff <christian@grothoff.org>
Date: Thu, 22 Oct 2015 15:13:27 +0200
Merge branch 'master' of taler.net:/var/git/marketing
Diffstat:
2 files changed, 682 insertions(+), 0 deletions(-)
diff --git a/presentations/fiveminutes/pitch15m.tex b/presentations/fiveminutes/pitch15m.tex
@@ -0,0 +1,392 @@
+%I advise you to make a dozen slides no more to stay in the timing.
+%The type of expected presentation is kind of "elevator pitch": what
+%is the offer, for what needs, from what technological assets (from
+%what software), for which customers and their reasons to buy and with
+%which ambition.
+
+%\PassOptionsToPackage{draft}{graphicx}
+\documentclass[c]{beamer}
+
+\usepackage{helvet}
+\usepackage{calc}
+\usepackage[utf8]{inputenc} % set your input encoding differently, if you want
+\usepackage[english]{babel}
+
+\usepackage{eurosym}
+\usepackage{tikz}
+\usepackage{amsmath,amssymb}
+\usetikzlibrary{shapes,arrows}
+\usetikzlibrary{positioning}
+\usetikzlibrary{calc}
+
+\def\checkmark{\tikz\fill[scale=0.4](0,.35) -- (.25,0) -- (1,.7) -- (.25,.15) -- cycle;}
+
+\setbeamercovered{transparent=10}
+\setbeamertemplate{navigation symbols}{Taler --- Page \insertpagenumber}
+\setbeamertemplate{section in toc}[sections numbered]
+
+% Adapt title information
+% =======================
+\title{Taler \\ {\small {\bf T}axable {\bf A}nonymous {\bf L}ibre {\bf E}lectronic {\bf R}eserves}}
+% Adjust those below to the event...
+%\institute{Inria Rennes Bretagne Atlantique}
+%\author{Christian Grothoff \& Nana Karlstetter}
+\date{\today}
+
+% Some common packages
+% ====================
+\usepackage{units}
+\usepackage{amsbsy}
+\usepackage{amsmath}
+\usepackage{amssymb}
+\usepackage{graphics}
+\usepackage{epsf}
+\usepackage{epsfig}
+\usepackage{fixmath}
+\usepackage{wrapfig}
+
+\begin{document}
+
+\begin{frame}
+ \titlepage
+
+{\tiny ``I think one of the big things that we need to do, is we need
+ to get a way from true-name payments on the Internet. The credit
+ card payment system is one of the worst things that happened for the
+ user, in terms of being able to divorce their access from their
+ identity.'' \\ \hfill --Edward Snowden, IETF 93 (2015)}
+\end{frame}
+
+\begin{frame}{Agenda}
+ \tableofcontents
+\end{frame}
+
+
+\section{Who we are}
+\begin{frame}
+\frametitle{1. Who we are}
+{\tiny
+\begin{description}
+ \item[{Dr. Nana Karlstetter}] CEO {\tiny (doctorate in applied economics; expert in sustainable investment and business development)}
+ \item[Dr. Christian Grothoff] CTO {\tiny (doctorate in computer science; expert in privacy enhancing technology and secure systems engineering); employed at Inria}
+ \item[Dr. Jeff Burdges] PostDoc {\tiny (mathematician; working with Tor project); employed at Inria}
+ \item[{Dr. Christina Onete}] PostDoc {\tiny (cryptographer; experience in formal verification of protocols); employed at Inria }
+ \item[{Dr. Richard Stallman}] Advocacy, software licensing (GNU)
+ \item[Marcello Stanisci] Engineer {\tiny (developer; experience in Web development, user interface development); employed at Inria}
+ \item[Florian Dold] PhD student {\tiny (developer; experience in cryptography, network protocols, software engineering); starting November 2015 at Inria}
+ \item[{Sree Harsha Totakura}] PhD student {\tiny (developer; experience in large-scale testing and performance evaluation); employed at TUM}
+ \item[{Julian Kirsch}] PhD student {\tiny (develper; experience in secure systems development, web design); employed at TUM}
+ \item[Oliver Broome] Master's student {\tiny (develper; experience in App development and privacy); studying at TUM}
+ \item[Benedikt M\"uller] Bachelor's student {\tiny (developer; work on EBICS); studying at TUM}
+ \item[{Nicolas Fournier}] Master's student {\tiny (developer; work on performance analysis); studying at ENSTA}
+ \item[{Hellekin Wolf}] International marketing (GNU)
+\end{description}
+}
+\end{frame}
+
+
+\section{What is Taler?}
+\begin{frame}
+\frametitle{2. What is Taler?}
+{\tiny Taler: Chaum-style digital cash, socially responsible}
+\begin{figure}[h]
+\centering
+{\tiny
+\begin{tikzpicture}
+ \tikzstyle{def} = [node distance= 5em and 7em, inner sep=1em, outer sep=.3em];
+ \node (origin) at (0,0) {};
+ \node (mint) [def,above=of origin,draw]{Mint};
+ \node (customer) [def, draw, below left=of origin] {Customer};
+ \node (merchant) [def, draw, below right=of origin] {Merchant};
+ \node (auditor) [def, draw, above right=of origin]{Auditor};
+
+ \tikzstyle{C} = [color=black, line width=1pt]
+
+ \draw [<-, C] (customer) -- (mint) node [midway, above, sloped] (TextNode) {withdraw coins};
+ \draw [<-, C] (mint) -- (merchant) node [midway, above, sloped] (TextNode) {deposit coins};
+ \draw [<-, C] (merchant) -- (customer) node [midway, above, sloped] (TextNode) {spend coins};
+ \draw [<-, C] (mint) -- (auditor) node [midway, above, sloped] (TextNode) {verify};
+
+\end{tikzpicture}
+}
+\end{figure}
+{\tiny
+ \begin{itemize}
+ \item A \emph{mint} gives {\em customers} anonymous digital cash
+ in return for traditional money
+ \item A \emph{merchant} accepts them as payment
+ \item The \emph{mint} gives traditional money to the \emph{merchant}
+ \item An {\em auditor} checks the books of the {\em mint} to prevent fraud
+ \end{itemize}
+\noindent
+\begin{center}
+$\Rightarrow$ Convenient, taxable, privacy-enhancing, \& resource friendly!
+\end{center}
+}
+\end{frame}
+
+
+\section{Competitor analysis}
+\begin{frame}{3. Competitor analysis}
+ \begin{center} \tiny
+ \begin{tabular}{l||c|c|c|c|c}
+ & privacy & online payment & taxability & licensing& energy consumtpion \\ \hline\hline
+ Bitcoin & o &\checkmark& - & \checkmark & - \\ \hline
+ Ripple & - &\checkmark& \checkmark & - & o \\ \hline
+ Mastercard & - &\checkmark& \checkmark & - & \checkmark \\ \hline
+ EC Cash & - & - & \checkmark & - & \checkmark \\ \hline
+ Cash &\checkmark& - & - & o & \checkmark \\ \hline
+ Taler &\checkmark&\checkmark& \checkmark & \checkmark & \checkmark \\
+ \end{tabular}
+ \end{center}
+\begin{center}
+ {\tiny ``\checkmark'' $=$ satisfied, ``o'' $=$ problematic, ``-'' $=$ not satisfied }
+\end{center}
+\end{frame}
+
+
+\section{Advantages of Taler}
+\begin{frame}
+ \frametitle{4. Advantages of Taler}
+ {\tiny
+ \begin{itemize}
+ \item{All operations provide cryptographically secured, mathematical proofs for courts \& auditors}
+ \item{Customer can remain anonymous
+ \begin{itemize}
+ \item \tiny retain civil liberties in increasingly cash-less world
+ \item \tiny eliminates costly customer authentication
+ \item \tiny no credit card number theft possible
+ \item \tiny merchants do not need to operate certified equipment (PCI DSS, etc.)
+ \item \tiny unlike Chaum, Taler can give change and refunds, even to anonymous customers
+ \end{itemize}}
+ \item{Merchants are identifiable
+ \begin{itemize}
+ \item \tiny bad for illegal business
+ \item \tiny no tax evasion
+ \end{itemize}}
+ \item{Payments in existing currencies, does not introduce any new currency
+ \begin{itemize}
+ \item \tiny financial stability, no risks from currency fluctuation
+ \item \tiny payment system, not speculative investment
+ \end{itemize}}
+ \item{Scalable, fast protocol implementation
+ \begin{itemize}
+ \item \tiny low transaction costs (at least in terms of computation at high volume)
+ \end{itemize}}
+ \item{Open standard protocol without patents with free reference implementations
+ \begin{itemize}
+ \item \tiny low barrier to entry for new merchants
+ \item \tiny governments may adopt as part of digital sovereignity agenda
+ \end{itemize}}
+ \item{Modern RESTful, JSON-encoded compact protocol over HTTP/HTTPS}
+ \end{itemize}
+ }
+\end{frame}
+
+
+\section{Stakeholder analysis}
+\begin{frame}{5. Stakeholder analysis}
+ \begin{center} \tiny
+ \begin{tabular}{l|p{2.3cm}|p{5.5cm}}
+ Stakeholder & Need & Taler offers \\ \hline \hline
+ Customer & privacy & payment unlinkable to identity \\ \hline
+ Merchants & efficiency & easy integration, fast processes \\ \hline
+ Governments & taxability & access to income and contracts \\ \hline
+ Governments & stability & control over money supply \\ \hline
+ Mint operator& accountability & cryptographic proofs for auditors \\
+ \end{tabular}
+ \end{center}
+\end{frame}
+
+\section{Status quo}
+\begin{frame}{6. Status quo}
+\begin{tabular}{|c|c|c|} \hline
+ {\bf We have} & {\bf We need to do} & {\bf We look for} \\ \hline
+ \begin{minipage}{3cm} \tiny
+ \begin{itemize}
+ \item{Cryptography worked out}
+ \item{Protocol standard (RESTful, JSON, \url{http://api.taler.net/})}
+ \item{Prototype mint}
+ \item{Prototype wallet}
+ \item{Prototype merchant portal}
+ \item{Relationship with merchants willing to deploy prototypes}
+ \item{Team of six developers with expertise, more ready to join}
+ \item{\url{taler.net} domain name, with initial quad-lingual website}
+ \end{itemize}
+ \end{minipage} &
+ \begin{minipage}{3cm} \tiny
+ \begin{itemize}
+ \item{Production-quality mint code (1--3 months)}
+ \item{Auditor code (3-6 months)}
+ \item{Production-quality wallet (3-9 months)}
+ \item{Reference integrations with web stores (3-9 months)}
+ \item{Expanded business team and contacts with focus on usability, marketing and legal aspects}
+ \end{itemize}\vspace{0.7cm}
+ \end{minipage}
+ &
+ \begin{minipage}{3cm} \tiny
+ \begin{itemize}
+ \item Banking license / banking partner
+ \item Integration with trad. banking
+ \item Secure hosting
+ \item Capital for further development
+ \item Expert partners (banking, marketing)
+ \end{itemize}\vspace{1.9cm}
+ \end{minipage}
+ \\ \hline
+\end{tabular}
+\end{frame}
+
+\section{What we need}
+\begin{frame}
+ \frametitle{7. What we need}
+ {\tiny
+ \begin{itemize}
+ \item Develop mint software (to production quality)
+ \item Develop customer wallet software (and make it usable)
+ \item Develop integration with common merchant portals
+ \item Develop auditor software
+ \item Establish business and legality
+ \end{itemize}
+ }
+\end{frame}
+
+\section{Income / Costs}
+
+\begin{frame}{8. Income / Costs}
+ \begin{center}
+ \begin{tabular}{p{1.5cm}|p{2.5cm}|p{1.5cm}|p{2.5cm}}
+ \multicolumn{2}{c|}{\bf Income} & \multicolumn{2}{c}{\bf Costs} \\ \hline \hline
+ {\tiny once} & {\tiny ongoing} & {\tiny once} & {\tiny ongoing} \\ \hline
+ \begin{minipage}{1.4cm} \tiny
+ \begin{itemize}
+ \item{R\&D grants}
+ \end{itemize} \vspace{2.6cm}
+ \end{minipage} &
+ \begin{minipage}{2.2cm} \tiny
+ Charge fees for:
+ \begin{itemize}
+ \item{Operations (Transactions)}
+ \item{Support (Integration)}
+ \item{Auditing}
+ \end{itemize} \vspace{1.3cm}
+ \end{minipage} &
+ \begin{minipage}{1.4cm} \tiny
+ \begin{itemize}
+ \item{R\&D}
+ \item{Setup}
+ \end{itemize} \vspace{2.2cm}
+ \end{minipage} &
+ \begin{minipage}{2.4cm} \tiny
+ \begin{itemize}
+ \item{Operate server infrastructure (rather cheap)}
+ \item{Integrate with traditional banking (i.e. SEPA)}
+ \item{Pay auditors}
+ \item{Advertise to customers}
+ \item{Advertise to merchants}
+ \end{itemize}
+ \end{minipage} \\
+ \end{tabular}
+ \end{center}
+\end{frame}
+
+
+\section{Business risks and measures}
+
+\begin{frame}{9. Business risks and measures}
+ \begin{center} \tiny
+ \begin{tabular}{p{3cm}|p{3cm}|p{3cm}}
+ {\bf Risk} & {\bf Impact} & {\bf Countermeasure} \\ \hline \hline
+ Usability too low & few users, insufficient income & usability testing \\ \hline
+ Mint data loss & financial damage & backups \\ \hline
+ Mint compromise & financial damage & limit loss by key rotation \\ \hline
+ Mint offline & reputation loss & redundant \mbox{operation} \\ \hline
+ Hypothetical legal issues & illegal to operate & work with \mbox{legislators} \\ \hline
+ No bank license & illegal to operate & {\bf find partners} \\
+ \end{tabular}
+ \end{center}
+\end{frame}
+
+
+\section{License model}
+\begin{frame}{10. License model}
+ \begin{center} \tiny
+ \begin{tabular}{p{2cm}|c|p{5.5cm}}
+ {\bf Component} & {\bf License} & {\bf Why?} \\ \hline \hline
+ Mint & Affero GPL & force competitors to share \mbox{extensions} \\ \hline
+ Wallets & GPLv3+ & enable community development \\ \hline
+ Merchant & Lesser GPL & maximize market adoption \\
+ \end{tabular}
+ \end{center}
+\end{frame}
+
+
+\section{Why us and why now}
+
+\begin{frame}
+ \frametitle{11. Why now and why us?}
+ \begin{block}{Why now?}
+ {\tiny
+ \begin{itemize}
+ \item{Chaum's original patents\footnote{\tiny USPTO 5878140, 5781631, 5712913} from 1996-1999 have expired}
+ \item{Increased awareness of issue of privacy in payment systems
+ \begin{itemize}
+ \item \tiny Contemporary payment systems fail on privacy
+ \item \tiny Cash is disappearing
+ \item \tiny Alternatives urgently needed
+ \end{itemize}}
+ \item{Cryptocurrencies threaten control over money supply and tax base of governments}
+ \end{itemize}
+ }
+ \end{block}
+ \begin{block}{Why us?}
+ {\tiny
+ \begin{itemize}
+ \item{solved (technical) problem of unlinkability (how to give change and refunds)}
+ \item{designed a modern, open standards based version}
+ \item{We have (most) of the technical expertise to really build it:
+ \begin{itemize}
+ \item{{\tiny 15 years of research in network security and privacy}}
+ \item{{\tiny Maintainer of GNU libmicrohttpd (HTTP(S) server for mint)}}
+ \end{itemize}}
+ \item{good visibility (with press and developer community)}
+ \end{itemize}
+ }
+\end{block}
+\end{frame}
+
+
+\section{References / Institutions involved}
+
+\begin{frame}{12. References / Institutions involved}
+ \begin{center} \tiny
+ \begin{tabular}{p{3.1cm}|p{6.4cm}}
+ {\bf Partner} & {\bf Objective} \\ \hline \hline
+ Inria (RBA) & Institutionally supports research \& development \\ \hline
+ TU Munich (I8) & Institutionally supports research \& development \\ \hline
+ IT Translation & Mentors researchers to transfer research into viable business \\ \hline
+ GNU Project & Create free software-based ethical payment system \\ \hline
+ Tor Project & Enable anonymous payments for users \\ \hline
+ Renewable Freedom Foundation & Improve Internet security and privacy \\ % \hline
+% Design Shift & Joint research \& development proposal to create physical wallet \\
+ \end{tabular}
+ \end{center}
+\end{frame}
+
+
+\begin{frame}{Contact details}
+ \begin{center}
+ \begin{tabular}{p{5cm}p{5cm}}
+ {\bf CEO} & {\bf CTO} \\ & \\
+ Dr. Nana Karlstetter & Dr. Christian Grothoff \\
+ {\tt ceo@taler.net} & {\tt cto@taler.net} \\
+ +49-30-24-33-84-04 & +33-2-99-84-71-45 \\
+% \url{http://taler.net/ceo/} & \url{http://taler.net/cto/} \\
+ \end{tabular}
+
+ \vspace{2cm}
+ \url{http://www.taler.net/}
+ \end{center}
+\end{frame}
+
+\end{document}
diff --git a/presentations/fiveminutes/pitch5m.tex b/presentations/fiveminutes/pitch5m.tex
@@ -0,0 +1,290 @@
+%I advise you to make a dozen slides no more to stay in the timing.
+%The type of expected presentation is kind of "elevator pitch": what
+%is the offer, for what needs, from what technological assets (from
+%what software), for which customers and their reasons to buy and with
+%which ambition.
+
+%\PassOptionsToPackage{draft}{graphicx}
+\documentclass[c]{beamer}
+
+\usepackage{helvet}
+\usepackage{calc}
+\usepackage[utf8]{inputenc} % set your input encoding differently, if you want
+\usepackage[english]{babel}
+
+\usepackage{eurosym}
+\usepackage{tikz}
+\usepackage{amsmath,amssymb}
+\usetikzlibrary{shapes,arrows}
+\usetikzlibrary{positioning}
+\usetikzlibrary{calc}
+
+\def\checkmark{\tikz\fill[scale=0.4](0,.35) -- (.25,0) -- (1,.7) -- (.25,.15) -- cycle;}
+
+\setbeamercovered{transparent=10}
+\setbeamertemplate{navigation symbols}{Taler --- Page \insertpagenumber}
+\setbeamertemplate{section in toc}[sections numbered]
+
+% Adapt title information
+% =======================
+\title{Taler \\ {\small {\bf T}axable {\bf A}nonymous {\bf L}ibre {\bf E}lectronic {\bf R}eserves}}
+% Adjust those below to the event...
+%\institute{Inria Rennes Bretagne Atlantique}
+%\author{Christian Grothoff \& Nana Karlstetter}
+\date{\today}
+
+% Some common packages
+% ====================
+\usepackage{units}
+\usepackage{amsbsy}
+\usepackage{amsmath}
+\usepackage{amssymb}
+\usepackage{graphics}
+\usepackage{epsf}
+\usepackage{epsfig}
+\usepackage{fixmath}
+\usepackage{wrapfig}
+
+\begin{document}
+
+\begin{frame}
+ \titlepage
+
+{\tiny ``I think one of the big things that we need to do, is we need
+ to get a way from true-name payments on the Internet. The credit
+ card payment system is one of the worst things that happened for the
+ user, in terms of being able to divorce their access from their
+ identity.'' \\ \hfill --Edward Snowden, IETF 93 (2015)}
+\end{frame}
+
+
+\section{What is Taler?}
+\begin{frame}
+\frametitle{1. What is Taler?}
+{\tiny Taler: Chaum-style digital cash, socially responsible}
+\begin{figure}[h]
+\centering
+{\tiny
+\begin{tikzpicture}
+ \tikzstyle{def} = [node distance= 5em and 7em, inner sep=1em, outer sep=.3em];
+ \node (origin) at (0,0) {};
+ \node (mint) [def,above=of origin,draw]{Mint};
+ \node (customer) [def, draw, below left=of origin] {Customer};
+ \node (merchant) [def, draw, below right=of origin] {Merchant};
+ \node (auditor) [def, draw, above right=of origin]{Auditor};
+
+ \tikzstyle{C} = [color=black, line width=1pt]
+
+ \draw [<-, C] (customer) -- (mint) node [midway, above, sloped] (TextNode) {withdraw coins};
+ \draw [<-, C] (mint) -- (merchant) node [midway, above, sloped] (TextNode) {deposit coins};
+ \draw [<-, C] (merchant) -- (customer) node [midway, above, sloped] (TextNode) {spend coins};
+ \draw [<-, C] (mint) -- (auditor) node [midway, above, sloped] (TextNode) {verify};
+
+\end{tikzpicture}
+}
+\end{figure}
+{\tiny
+ \begin{itemize}
+ \item A \emph{mint} gives {\em customers} anonymous digital cash
+ in return for traditional money
+ \item A \emph{merchant} accepts them as payment
+ \item The \emph{mint} gives traditional money to the \emph{merchant}
+ \item An {\em auditor} checks the books of the {\em mint} to prevent fraud
+ \end{itemize}
+\noindent
+\begin{center}
+$\Rightarrow$ Convenient, taxable, privacy-enhancing, \& resource friendly!
+\end{center}
+}
+\end{frame}
+
+
+\section{Competitor analysis}
+\begin{frame}{2. Competitor analysis}
+ \begin{center} \tiny
+ \begin{tabular}{l||c|c|c|c|c}
+ & privacy & online payment & taxability & licensing& energy consumption \\ \hline\hline
+ Bitcoin & o &\checkmark& - & \checkmark & - \\ \hline
+ Ripple & - &\checkmark& \checkmark & - & o \\ \hline
+ Mastercard & - &\checkmark& \checkmark & - & \checkmark \\ \hline
+ EC Cash & - & - & \checkmark & - & \checkmark \\ \hline
+ Cash &\checkmark& - & - & o & \checkmark \\ \hline
+ Taler &\checkmark&\checkmark& \checkmark & \checkmark & \checkmark \\
+ \end{tabular}
+ \end{center}
+\begin{center}
+ {\tiny ``\checkmark'' $=$ satisfied, ``o'' $=$ problematic, ``-'' $=$ not satisfied }
+\end{center}
+\end{frame}
+
+
+\section{Advantages of Taler}
+\begin{frame}
+ \frametitle{3. Advantages of Taler}
+ {\tiny
+ \begin{itemize}
+ \item{All operations provide cryptographically secured, mathematical proofs for courts \& auditors}
+ \item{Customer can remain anonymous
+ \begin{itemize}
+ \item \tiny retain civil liberties in increasingly cash-less world
+ \item \tiny eliminates costly customer authentication
+ \item \tiny no credit card number theft possible
+ \item \tiny merchants do not need to operate certified equipment (PCI DSS, etc.)
+ \item \tiny unlike Chaum, Taler can give change and refunds, even to anonymous customers
+ \end{itemize}}
+ \item{Merchants are identifiable
+ \begin{itemize}
+ \item \tiny bad for illegal business
+ \item \tiny no tax evasion
+ \end{itemize}}
+ \item{Payments in existing currencies, does not introduce any new currency
+ \begin{itemize}
+ \item \tiny financial stability, no risks from currency fluctuation
+ \item \tiny payment system, not speculative investment
+ \end{itemize}}
+ \item{Scalable, fast protocol implementation
+ \begin{itemize}
+ \item \tiny low transaction costs (at least in terms of computation at high volume)
+ \end{itemize}}
+ \item{Open standard protocol without patents with free reference implementations
+ \begin{itemize}
+ \item \tiny low barrier to entry for new merchants
+ \item \tiny governments may adopt as part of digital sovereignity agenda
+ \end{itemize}}
+ \item{Modern RESTful, JSON-encoded compact protocol over HTTP/HTTPS}
+ \end{itemize}
+ }
+\end{frame}
+
+
+\section{Status quo}
+\begin{frame}{4. Status quo}
+\begin{tabular}{|c|c|c|} \hline
+ {\bf We have} & {\bf We need to do} & {\bf We look for} \\ \hline
+ \begin{minipage}{3cm} \tiny
+ \begin{itemize}
+ \item{Cryptography worked out}
+ \item{Protocol standard (RESTful, JSON, \url{http://api.taler.net/})}
+ \item{Prototype mint}
+ \item{Prototype wallet}
+ \item{Prototype merchant portal}
+ \item{Relationship with merchants willing to deploy prototypes}
+ \item{Team of six developers with expertise, more ready to join}
+ \item{\url{taler.net} domain name, with initial website in five languages}
+ \end{itemize}
+ \end{minipage} &
+ \begin{minipage}{3cm} \tiny
+ \begin{itemize}
+ \item{Production-quality mint code (1--3 months)}
+ \item{Auditor code (3-6 months)}
+ \item{Production-quality wallet (3-9 months)}
+ \item{Reference integrations with web stores (3-9 months)}
+ \item{Expanded business team and contacts with focus on usability, marketing and legal aspects}
+ \end{itemize}\vspace{0.7cm}
+ \end{minipage}
+ &
+ \begin{minipage}{3cm} \tiny
+ \begin{itemize}
+ \item Banking license / banking partner
+ \item Integration with trad. banking
+ \item Secure hosting
+ \item Capital for further development
+ \item Expert partners (banking, marketing)
+ \end{itemize}\vspace{1.9cm}
+ \end{minipage}
+ \\ \hline
+\end{tabular}
+\end{frame}
+
+
+\section{Income / Costs}
+
+\begin{frame}{5. Income / Costs}
+ \begin{center}
+ \begin{tabular}{p{1.5cm}|p{2.5cm}|p{1.5cm}|p{2.5cm}}
+ \multicolumn{2}{c|}{\bf Income} & \multicolumn{2}{c}{\bf Costs} \\ \hline \hline
+ {\tiny once} & {\tiny ongoing} & {\tiny once} & {\tiny ongoing} \\ \hline
+ \begin{minipage}{1.4cm} \tiny
+ \begin{itemize}
+ \item{R\&D grants}
+ \end{itemize} \vspace{2.6cm}
+ \end{minipage} &
+ \begin{minipage}{2.2cm} \tiny
+ Charge fees for:
+ \begin{itemize}
+ \item{Operations (Transactions)}
+ \item{Support (Integration)}
+ \item{Auditing}
+ \end{itemize} \vspace{1.3cm}
+ \end{minipage} &
+ \begin{minipage}{1.4cm} \tiny
+ \begin{itemize}
+ \item{R\&D}
+ \item{Setup}
+ \end{itemize} \vspace{2.2cm}
+ \end{minipage} &
+ \begin{minipage}{2.4cm} \tiny
+ \begin{itemize}
+ \item{Operate server infrastructure (rather cheap)}
+ \item{Integrate with traditional banking (i.e. SEPA)}
+ \item{Pay auditors}
+ \item{Advertise to customers}
+ \item{Advertise to merchants}
+ \end{itemize}
+ \end{minipage} \\
+ \end{tabular}
+ \end{center}
+\end{frame}
+
+
+\section{Why us and why now}
+
+\begin{frame}
+ \frametitle{6. Why now and why us?}
+ \begin{block}{Why now?}
+ {\tiny
+ \begin{itemize}
+ \item{Chaum's original patents\footnote{\tiny USPTO 5878140, 5781631, 5712913} from 1996-1999 have expired}
+ \item{Increased awareness of issue of privacy in payment systems
+ \begin{itemize}
+ \item \tiny Contemporary payment systems fail on privacy
+ \item \tiny Cash is disappearing
+ \item \tiny Alternatives urgently needed
+ \end{itemize}}
+ \item{Cryptocurrencies threaten control over money supply and tax base of governments}
+ \end{itemize}
+ }
+ \end{block}
+ \begin{block}{Why us?}
+ {\tiny
+ \begin{itemize}
+ \item{solved (technical) problem of unlinkability (how to give change and refunds)}
+ \item{designed a modern, open standards based version}
+ \item{We have (most) of the technical expertise to really build it:
+ \begin{itemize}
+ \item{{\tiny 15 years of research in network security and privacy}}
+ \item{{\tiny Maintainer of GNU libmicrohttpd (HTTP(S) server for mint)}}
+ \end{itemize}}
+ \item{good visibility (with press and developer community)}
+ \end{itemize}
+ }
+\end{block}
+\end{frame}
+
+
+\begin{frame}{Contact details}
+ \begin{center}
+ \begin{tabular}{p{5cm}p{5cm}}
+ {\bf CEO} & {\bf CTO} \\ & \\
+ Dr. Nana Karlstetter & Dr. Christian Grothoff \\
+ {\tt ceo@taler.net} & {\tt cto@taler.net} \\
+ +49-30-24-33-84-04 & +33-2-99-84-71-45 \\
+% \url{http://taler.net/ceo/} & \url{http://taler.net/cto/} \\
+ \end{tabular}
+
+ \vspace{2cm}
+ \url{http://www.taler.net/}
+ \end{center}
+\end{frame}
+
+\end{document}
