From af7fab2a43db89c498c9156df2a097f9b8ad2a88 Mon Sep 17 00:00:00 2001
From: Jeff Burdges <burdges@gnunet.org>
Date: Thu, 25 Aug 2016 17:09:02 +0200
Subject: Two references

---
 articles/ui/ui.tex | 18 ++++++++++--------
 1 file changed, 10 insertions(+), 8 deletions(-)

(limited to 'articles/ui/ui.tex')

diff --git a/articles/ui/ui.tex b/articles/ui/ui.tex
index 3168558ab..1476424e1 100644
--- a/articles/ui/ui.tex
+++ b/articles/ui/ui.tex
@@ -301,7 +301,7 @@ the merchant not accepting the particular card issuer.
 Traditionally, merchants bear most of the financial risk, and a key
 ``feature'' of the 3DS process compared to traditional card payments
 is to shift dispute {\em liability} to the issuer of the card---who
-may then try to shift it to the customer.
+may then try to shift it to the customer \cite[\S2.4]{3DSsucks}.
 %
 % online vs offline vs swipe vs chip vs NFC ???
 % extended verification
@@ -417,13 +417,15 @@ volatile.~\cite{jeffries_economists_v_btc,lehmann_btc_fools_gold,lewis_btc_is_ju
 
 Bitcoin's pseudononymity applies equally to both customers and
 merchants, which makes Bitcoin amen\-able to tax evasion, money
-laundering, and sales of contraband.  As a result, anonymity tools
-like mixnets do not enjoy widespread support in the
-Bitcoin community where many participants seek to make the currency
-appear more legitimate.  While Bitcoin's transactions are difficult to
-track, there are several examples of Bitcoin's pseudononymity being
-broken by investigators~\cite{BTC:Anonymity}.  This has resulted in
-the development of new protocols with better privacy protections.
+laundering, sales of contraband, and especially extorion
+ \cite{NYA:CyberExtortionRisk}.  
+As a result, anonymity tools like mixnets do not enjoy widespread
+support in the Bitcoin community where many participants seek to make
+the currency appear more legitimate.  While Bitcoin's transactions
+are difficult to track, there are several examples of Bitcoin's
+pseudononymity being broken by investigators~\cite{BTC:Anonymity}.  
+This has resulted in the development of new protocols with better
+privacy protections.
 
 \begin{figure*}[t!]
 \includegraphics[width=\textwidth]{figs/paypal.pdf}
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