1. Austin, S., Canipe, C. and Slobin, S. (2015), “The billion-dollar startup club”, available at: graphics.wsj.com/billion-dollar-club/ (accessed February 18, 2015).
2. CB Insights (2015), “Unicorn power law: the top 10 unicorns are worth more than the next 70 combined”, available at: www.cbinsights.com/blog/unicorn-power-law/ (accessed June 23, 2015).
3. Chanjaroen, C. and Boey, D. (2016), “Fraud in $4 trillion trade finance has banks turning digital”, available at: www.bloomberg.com/news/articles/2016-05-22/fraud-in-4-trillion-trade-finance-turns-banks-to-digital-ledger (accessed May 22, 2016).
4. Deloitte Corporation (2013), available at: www2.deloitte.com/global/en/pages/financial-services/articles/quantum-dawn-2.html (accessed December 15, 2014).