diff --git a/doc/paper/taler.bib b/doc/paper/taler.bib index 9f0d2908e..0dc608093 100644 --- a/doc/paper/taler.bib +++ b/doc/paper/taler.bib @@ -3,6 +3,7 @@ author={Nakamoto, Satoshi}, year={2008} } + @inproceedings{ BDL+11, author = {Daniel J. Bernstein and Niels Duif and Tanja Lange and Peter Schwabe and Bo-Yin Yang}, title = {High-speed high-security signatures}, @@ -13,23 +14,6 @@ volume = {6917}, year = {2011}, pages = {124--142}, - note = {see also full version \cite{BDL+12}}, -} - -@article{ BDL+12, - author = {Daniel J. Bernstein and Niels Duif and Tanja Lange and Peter Schwabe and Bo-Yin Yang}, - title = {High-speed high-security signatures}, - journal@inproceedings{ BDL+11, - author = {Daniel J. Bernstein and Niels Duif and Tanja Lange and Peter Schwabe and Bo-Yin Yang}, - title = {High-speed high-security signatures}, - booktitle = {Cryptographic Hardware and Embedded Systems -- {CHES 2011}}, - editor = {Bart Preneel and Tsuyoshi Takagi}, - series = {Lecture Notes in Computer Science}, - publisher = {Springer-Verlag Berlin Heidelberg}, - volume = {6917}, - year = {2011}, - pages = {124--142}, - note = {see also full version \cite{BDL+12}}, } @article{eddsa, @@ -82,8 +66,6 @@ booktitle = {23nd Annual Network and Distributed System Security Symposium, {NDSS} 2016, San Diego, California, USA, February 21-24, 2016}, year = {2016}, - booktitle = {23nd Annual Network and Distributed System Security Symposium, {NDSS} - 2016, San Diego, California, USA, February 21-24, 2016}, publisher = {The Internet Society}, } diff --git a/doc/paper/taler.tex b/doc/paper/taler.tex index 48e4a1c40..30f9934c3 100644 --- a/doc/paper/taler.tex +++ b/doc/paper/taler.tex @@ -1629,14 +1629,22 @@ Unfortunately it was not possible to experimentally compare the performance of Taler directly to other e-cash systems, since to our best knowledge there is no working and publicly available implementation of any of them. -When compared with the current average confirmation time for Bitcoin payments, -Taler is many orders of magnitude faster. While a confirmation time of Taler -is in the order of a few hundered milliseconds (including database access and -network latency), the time to mine even one block in Bitcoin is around ten +When compared with the current average confirmation time for Bitcoin +payments, Taler is many orders of magnitude faster. In a LAN, Taler +transactions taking about ten milliseconds are doable, given the speed +of modern SSD drives and RSA/EdDSA signature verification +algorithms.\footnote{We refer to \url{https://bench.cr.yp.to/} for + detailed benchmarks of cryptographic primitives.} In practice, a +few network round trips for the TCP/HTTPS handshakes and the HTTP +request dominate overall latency. While the confirmation time of +Taler is thus typically in the order of a few hundered milliseconds, +the time to mine even one block in Bitcoin is around ten minutes \footnote{Data retrieved in May 2017 from -\url{https://blockchain.info/stats}}. Very conservative Bitcoin merchants, -such as exchanges, wait up to six blocks until they consider a transaction -confirmed. + \url{https://blockchain.info/stats}}. Bitcoin merchants following +the Bitcoin specification must wait for six such blocks until they +consider a transaction confirmed. Thus latency for durable +transactions in Bitcoin is about three to four orders of magnitude +lower. \section{Discussion}