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diff --git a/comparison/comparison.tex b/comparison/comparison.tex new file mode 100644 index 0000000..2055e28 --- /dev/null +++ b/comparison/comparison.tex @@ -0,0 +1,47 @@ +\documentclass[a4paper]{scrartcl} + +\usepackage[utf8]{inputenc} +\usepackage{amsmath,amssymb,amsthm} +\usepackage{url} +\usepackage[left=20mm,top=20mm]{geometry} +\usepackage{booktabs} +\usepackage{hyperref} +\usepackage{subcaption} +\usepackage{mathpazo} + +\title{E-Cash Comparison} +\date{\today} + +\begin{document} + +\maketitle + +\section{Criteria} + +\begin{itemize} + \item \textbf{Cryptographic Assumptions.} This needs to be included + and needs to contain more than just ROM because some schemes advertise that + they don't need ROM but rely on some other rather strong assumptions. + \item \textbf{Refunds.} + \item \textbf{Offline Spending.} Causes brittleness, not a goal. + \item \textbf{Exculpability When Restoring From Backup}. Usually conflicts with offline double spending detection. + \item \textbf{Traceability.} Means that (a threshold of) authorities can deanonymize a customer + if required (e.g. to catch a criminal). + \item \textbf{Transferability.}. Ability to transfer a coin from one user to another. + \item \textbf{Taxability / Income Transparency.} E-Cash can't be reliably transferred + without the transaction being recorded at the exchange. + \item \textbf{Time/Storage for Deposit.} Often not considered, especially + in ``constant time'' schemes. + \item \textbf{Time/Storage for Withdrawal.} + \item \textbf{Divisibility/Change.}. + \item \textbf{Robust Spending.} The customer either can prove that they payed for + a contract, or they can get their (unlinkable) money back. + \item \textbf{Provably Secure.} + \item \textbf{Endorsed (??).} Separation of the coin and permission to spend + it, see \cite{camenisch2007endorsed}. Allows fair exchange (?). +\end{itemize} + +\bibliography{literature} +\bibliographystyle{alpha} + +\end{document} |