Regulators want to make sure they protect investors from scams, while at the same time allowing the industry to develop and deploy the new technology in interesting ways. Overregulation could move the action elsewhere, which is what happened in China.
Its too early to tell who's doing the best job of setting the rules. Nations are taking various tasks.
What do you think?
Yes it can kill cryptocurrency but since there are a lot of companies today who are running cryptocurrency business on different countries then there might be an exception for every regulations in the country.