It appears the US Securities and Exchange Commission (SEC) has issued dozens of subpoenas to cryptocurrency companies in regard to the number of token sales and Initial Coin Offerings (ICOs) that have been made recently. The SEC is looking for these cryptocurrency issuers to provide more information about their business practices and to dig out fraudulent activity.
https://www.notebookcheck.net/Securities-and-Exchange-Commission-to-crack-down-on-shady-cryptocurrency-ICOs.287178.0.html