[GNUnet-SVN] [taler-exchange] branch master updated: Add comments on BOLT

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burdges pushed a commit to branch master
in repository exchange.

The following commit(s) were added to refs/heads/master by this push:
     new ac33932  Add comments on BOLT
ac33932 is described below

commit ac339329e4099c79304956f07c52623f2fb6655c
Author: Jeffrey Burdges <address@hidden>
AuthorDate: Thu May 18 17:22:57 2017 +0200

    Add comments on BOLT
---
 doc/paper/taler.bib | 19 ++++++++++++++-----
 doc/paper/taler.tex | 20 ++++++++++++++++++++
 2 files changed, 34 insertions(+), 5 deletions(-)

diff --git a/doc/paper/taler.bib b/doc/paper/taler.bib
index 7f986a7..e3dda1b 100644
--- a/doc/paper/taler.bib
+++ b/doc/paper/taler.bib
@@ -52,13 +52,22 @@
 
 
 @misc{BOLT,
-    author = {Matthew Green and Ian Miers},
-    title = {Bolt: Anonymous Payment Channels for Decentralized Currencies},
-    howpublished = {Cryptology ePrint Archive, Report 2016/701},
-    year = {2016},
-    note = {\url{http://eprint.iacr.org/2016/701}},
+  author = {Matthew Green and Ian Miers},
+  title = {Bolt: Anonymous Payment Channels for Decentralized Currencies},
+  howpublished = {Cryptology ePrint Archive, Report 2016/701},
+  year = {2016},
+  note = {\url{http://eprint.iacr.org/2016/701}},
 }
 
address@hidden,
+  author = {Joseph Poon and Thaddeus Dryja},
+  title = {The Bitcoin Lightning Network: Scalable Off-Chain Instant Payments},
+  month = {January},
+  year = {2016},
+  note = {\url{https://lightning.network/lightning-network-paper.pdf}},
+}
+
+
 @inproceedings{danezis2016rscoin,
   author    = {George Danezis and
                Sarah Meiklejohn},
diff --git a/doc/paper/taler.tex b/doc/paper/taler.tex
index ccdc544..8698719 100644
--- a/doc/paper/taler.tex
+++ b/doc/paper/taler.tex
@@ -317,6 +317,26 @@ never get cashed out into another currency.
 In addition, Zerocash's anonymity for the receiver facilitates illegal
 activities like extortion, money laundering, and tax evasion.
 
+BOLT~\cite{BOLT} is a proposed off-chain payment channel inspired by
+the Lightning Network \cite{LightningNetwork}.  In essence, BOLT is
+an e-cash system designed to operate in parallel with Zerocash, along
+with a second similar system.  Aside from using Zerocash for resolving
+disputes, and ultimately transferring coins, BOLT sacrifices some of
+the customer anonymity provided by the e-cash primitives so that the
+party acting as the exchange can be an arbitrary miner but cannot
+defraud the customer.  BOLT asserts that sacrificing customer anonymity
+in this way is acceptable given Zerocash's strong anonymity properties,
+but the authors do propose using it outside Zerocash.
+
+In general, these off-chain payment channels, like BOLT and the
+Lightning Network, improve the blockchain based payment schemes by
+centralizing payment processing, but they remain orders of magnitude
+more costly than Taler with the same degree of centralization.
+In addition, they require that miners act far more like traditional
+payment processors than conventional cryptocurrencies, exposing miners
+to legal risks.  Taler is explicitly designed to help a Taler exchange
+navigate these legal risks.
+
 GreenCoinX\footnote{\url{https://www.greencoinx.com/}} is a more
 recent AltCoin where the company promises to identify the owner of
 each coin via e-mail addresses and phone numbers.  While it is unclear

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