diff options
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/paper/taler.tex | 13 | ||||
| -rw-r--r-- | doc/paper/taler_FC2017.txt | 19 |
2 files changed, 28 insertions, 4 deletions
diff --git a/doc/paper/taler.tex b/doc/paper/taler.tex index a79585411..f27b0d061 100644 --- a/doc/paper/taler.tex +++ b/doc/paper/taler.tex @@ -1589,6 +1589,19 @@ enabling linear scalability of the database operations. Similarly, the cryptographic verification in the frontend can be distributed over as many compute nodes as required. +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 +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. + \section{Discussion} \subsection{Well-known attacks} diff --git a/doc/paper/taler_FC2017.txt b/doc/paper/taler_FC2017.txt index 4852d1f97..6dfee73ec 100644 --- a/doc/paper/taler_FC2017.txt +++ b/doc/paper/taler_FC2017.txt @@ -35,10 +35,21 @@ unlinkable to the original coin. The implementation of Taler in this paper is unclear. For example! , the security level, the RSA modulus, and the elliptic -curve etc. are not described. Moreover, the average time of the withdrawal, -spending, refreshing protocols are not provided. The authors also do not -compare Taler with other known anonymous payment systems. Thus, the efficiency -of Taler is unclear. +curve etc. are not described. + +> The RSA modulus depends on the denomination, for higher denominations +> with a longer lifetime it makes sense to use a larger key size. +> The elliptic curves are given and referenced in the paper, namely Ed25519 and +> Curve25519 + +Moreover, the average time of the withdrawal, spending, refreshing protocols +are not provided. The authors also do not compare Taler with other known +anonymous payment systems. Thus, the efficiency of Taler is unclear. + +> In our "Experimental Results" section we mention that local processing +> of requests happens in the order of a few milliseconds. +> Comparing Taler to other e-cash systems experimentally is impossible, +> since their implementation is not available. Additional Comment: The description of the protocols of Taler omits many details. In particular, the authors should describe in detail how the refunds |