1. How microsoft corporation makes most of its money. https://www.fool.com/investing/2017/06/29/how-microsoft-corporation-makes-most-of-its-money.aspx
2. Scott Aaronson. Shtetl-Optimized. Ask Me Anything: Apocalypse Edition. https://www.scottaaronson.com/blog/?p=4684#comment-1834174. Comment #283, Posted: 03–24-2020. Accessed 25 Mar 2020
3. Aaronson, S.: Quantum copy-protection and quantum money. In: 2009 24th Annual IEEE Conference on Computational Complexity, pp. 229–242. IEEE (2009)
4. Aaronson, S., Christiano, P.: Quantum money from hidden subspaces. In: Proceedings of the Forty-Fourth Annual ACM Symposium on Theory of Computing, pp. 41–60 (2012)
5. Aaronson, S., Liu, J., Zhang, R.: Quantum copy-protection from hidden subspaces. arXiv preprint arXiv:2004.09674 (2020)