.. This file is part of GNU TALER. Copyright (C) 2014, 2015, 2016 INRIA TALER is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2.1, or (at your option) any later version. TALER is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with TALER; see the file COPYING. If not, see @author Florian Dold @author Christian Grothoff .. _glossary: ============== Taler Glossary ============== .. glossary:: auditor trusted third party that verifies that the exchange is operating correctly bank traditional financial service provider who offers wire :term:`transfers ` between accounts coin coins are individual token representing a certain amount of value, also known as the :term:`denomination` of the coin contract specification of the details of a transaction, specifies the payment obligations for the customer (i.e. the amount), the deliverables of the merchant and other related information, such as deadlines or locations denomination unit of currency, specifies both the currency and the face value of a :term:`coin` denomination key RSA key used by the exchange to certify that a given :term:`coin` is valid and of a particular :term:`denomination` deposit operation by which a merchant passes coins to an exchange, expecting the exchange to credit his :term:`bank` account in the future using a wire :term:`transfer` dirty a :term:`coin` is dirty if its public key may be known to an entity other than the customer, thereby creating the danger of some entity being able to link multiple transactions of coin's owner if the coin is not refreshed first extension implementation of a :term:`wallet` for browsers fresh coin a :term:`coin` is fresh if its public key is only known to the customer master key offline key used by the exchange to certify denomination keys and message signing keys message signing key key used by the exchange to sign online messages, other than coins owner a :term:`coin` is owned by the entity that knows the private key of the coin proof message that cryptographically demonstrates that a particular claim is correct reserve funds set aside for future use; either the balance of a customer at the exchange ready for :term:`withdrawal`, or the funds kept in the exchange's bank account to cover obligations from coins in circulation refreshing operation by which a :term:`dirty` :term:`coin` is converted into one or more :fresh: coins refund operation by which a merchant steps back from the right to funds that he obtained from a :term:`deposit` operation, giving the right to the funds back to the customer sharing users can share ownership of a :term:`coin` by sharing access to the coin's private key, thereby allowing all co-owners to spend the coin at any time. signing key see message signing key. spending operation by which a customer gives a merchant the right to :term:`deposit` coins in return for merchandise transfer method of sending funds between :term:`bank` accounts transaction method by which ownership is exclusively transferred from one entity to another transaction id unique number by which a merchant identifies a :term:`transaction` wallet software running on a customer's computer; withdraws, stores and spends coins wire transfer see :term:`transfer` wire transfer identifier subject of a wire :term:`transfer`; usually a random string to uniquely identify the :term:`transfer` withdrawal operation by which a :term:`wallet` can convert funds from a reserve to fresh coins