Was working with a guy to start a card game, it ended, he had other project on NFT. I wonder if I should share this with him. It's weird how easy it is to sell any cool sounding tech to laymen, even if laymen understand the tech a little. Why isn't everybody able to draw a simple pro/con list to have a minimum of skepticism? Is it because it's marginally better than having a more normal salesman job, to be a nurse or…
It's not exactly a rulebook, but if you read enough of Extraordinary Popular Delusions and the Madness of Crowds, there are some patterns that recur over and over. It was written 180 years ago, but it's amazing how little the psychology behind manias has changed.
In particular, a good golden rule is to not follow people into an investment that you don't understand because you are blinded by greed.
https://en.wikipedia.org/wiki/Extraordinary_Popular_Delusion...