The U.S. Securities and Exchange Commission has halted more than $27 million in stock sales of cryptocurrency traded by Longfin Corp.

According to an April 4 complaint unsealed Friday in the U.S. District Court for the Southern District of New York, the SEC has obtained a court order charging the company, its chief executive Venkat Meenavalli and three other individuals with “illegal distributions and sales of restricted shares of Longfin Corp.”