Celsius and Alvarez & Marsal did not immediately respond to Reuters requests for comment.
New Jersey-based Celsius - a major U.S. cryptocurrency lending company - froze withdrawals and transfers earlier this month, citing "extreme" market conditions.
The move was the latest sign of the financial market downturn hitting the cryptosphere and had sparked a selloff across cryptocurrencies.
(Reporting by Manya Saini in Bengaluru; Editing by Aditya Soni)