An internet user using a browser (10) connects to a first server (30) and conducts transactions at the site (30). The user is transferred to a second server (32) along with data relating to the transactions via the user's browser program (10). A digital signature is added to the data prior to transfer....http://www.google.ca/patents/US6839677?utm_source=gb-gplus-sharePatent US6839677 - Transactional data transfer in a network system
