It's a pretty complex topic. Math, Programming, Economics, practical application of Cryptography and applied Financial processes and it would be tough for anyone to really grasp the whole thing.

After a talk I gave I had a highschool kid mention "you should try a blockchain" in response to a security issue I had discussed... I nodded and smiled. When a family friend tried to get us to invest in his shared mining operation he explained a similarly vague description of the mathy database - I didn't smile as much.