The sources also said that the CBIC is currently preparing a draft on the applicability of GST on VDAs, and discussions on the same are at an early stage.
The probe by the SEC's enforcement unit predates the agency's investigation into an alleged insider trading scheme that was revealed last week, as per the report.
Celsius froze withdrawals last month, citing "extreme" market conditions, cutting off access to savings for individual investors and sending tremors through the crypto market.
Stablecoins have a market cap of around $170 billion, making them a relatively small part of the overall cryptocurrency market, which is currently worth around $1.2 trillion.
