5Clare Chambers. How virtual are virtual economies? An exploration into the legal, social and economic nature of virtual world economies [J]. Computer Law and Security Review: The International Journal of Technology and Practice, 2011, 27(4): 377-384.
6Jacob Aron. Virtual economy looms as digital cash grows up [J]. New Scientist, 2012, 216(2892): 22-23.
7Jarunee Wonglimpiyarat. The dynamics of financial innovation system [J]. Journal of High Technology Management Research, 2011, 22(1): 36-46.
8Juan Yao. Financial Innovation and Chinese Economic Reform [J]. The Chinese Economy, 2015, 48(5): 309-311.
9William R. Kerr, Ramana Nanda. Financing Innovation [J]. Annual Review of Financial Economics, 2015, 7: 445-462.