I think the one of the main focus it has to be a good monetary policy
Adoption can come with the time, it may take longer depending of the project, but a bad monetary policy it wont get better with the time.
You shouldnt be investing because a coin has huge demand right now and you may want to take a look to the historic screenshots on coinmarketcap and confirm how that huge demand normally ends.
IMO a good example of a good monetary policy is ravencoin, limited supply, inflation rate will get lower with the time and users will have to burn their RVN in order to be able to create assets.
This is no an investment advice, is just what I think is an example of a good monetary policy.
Blesssings