Shukri, Z. T., and L. M. Lownd. “Opportunities to Make Capital Gains from Cryptocurrencies Compared to Other Financial Investments An Analytical Study Comparing Bitcoin and the Shares of Selected International Companies”. Academic Journal of Nawroz University, vol. 10, no. 1, Mar. 2021, pp. 117-29, doi:10.25007/ajnu.v10n1a846.