Richter, Chris, Sascha Kraus, and Ricarda B. Bouncken. “Virtual Currencies Like Bitcoin As A Paradigm Shift In The Field Of Transactions”. International Business & Economics Research Journal (IBER) 14, no. 4 (July 14, 2015): 575-586. Accessed August 23, 2020. https://clutejournals.com/index.php/IBER/article/view/9350.