Cong, Lin William, and Zhiguo He. “Blockchain disruption and smart contracts.” The Review of Financial Studies 32.5 (2019): 1754-1797.

　　Behnke, Kay, and M. F. W. H. A. Janssen. “Boundary conditions for traceability in food supply chains using blockchain technology.” International Journal of Information Management (2019).

　　Kamilaris, Andreas, Agusti Fonts, and Francesc X. Prenafeta-Bold. “The rise of blockchain technology in agriculture and food supply chains.” Trends in Food Science & Technology 91 (2019): 640-652.