“…Despite the enormous projections of growth of online payment systems, they have not achieved the expectations regarding level of performance and diffusion for the most part because of issues of risk/security (Hong, Zulkiffli, and Hamsani 2016;Linck, Pousttchi, and Wiedemann 2006;Steinhart et al 2013;Suki and Suki 2017;Tsiakis and Sthephanides 2005;Xu and Riedl 2011), trust (Chen et al 2016) and complexity of use (Chou, Lee, and Chung 2004). Recent research in fact concludes that perceived risk and security, together with product involvement and consumer characteristics, could be the most important determinants of use of e-payment systems (Faqih 2016;Kim, Mirusmonov, and Lee 2010;Kim et al 2010).…”