Article Summary Experiment: Some Simple Economics of the Blockchain

I had mentioned this article previously, found it interesting and well written.   Here an experiment with its content.   Below it is excerpted ...  with summary points, summary short video  and link to the full (10 page) text.    What do you think?

Some Simple Economics of the Blockchain
By Christian Catalini, Joshua S. Gans
Communications of the ACM, July 2020, Vol. 63 No. 7, Pages 80-90
10.1145/3359552