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?
In operations with digital currencies there are many "dark" moments, it is necessary to prevent their use for money laundering and terrorist financing. Therefore, this is an area where international regulation and proper oversight are necessary.