The study "EU online Trustmarks – Building Digital Confidence in Europe" was finalized in December 2012. It realized an analysis of the current state-of-play on trustmarks in Europe, with some insight into the international situation and, in the same time, stimulated a stakeholders' engagement: survey, workshops, in understanding how trustmarks respond to the question of trust in e-Commerce, in order to favour cross-border online commerce. Cross-border e-Commerce is one of the economic activities which policy makers regard as very important to generate EU-wide economic growth and create new job opportunities. The Digital Agenda for Europe clearly pursues the creation of an online internal market, putting in place policies fostering cross-border e-Commerce in the EU. One of the key factors of online commerce, be it cross-border or at national level, is trust between the parties: the purchaser and the merchant. Trustmarks can play a role in establishing trust relations: a trustmark is a sign displayed on an e-Commerce website; it has the purpose to provide an independent guarantee of the trustworthiness and reliability of the webshop. Four policy options are reviewed by the study and the final report addresses the pros and cons of these four options.