This document describes tools for providing PIN-less debit (PLD) processing for a client, such as a merchant. In some embodiments, the tools intercept a request from a client to process a payment transaction for a consumer. If PLD processing is available for the transaction, the tools provide an indication...http://www.google.fr/patents/US20100094671?utm_source=gb-gplus-shareBrevet US20100094671 - PIN-less Debit Payment Processing
