J Cap Research published on Marathon Digital Holdings (NASDAQ: MARA — $745 million), a digital asset mining company. J Cap alleged the company has overstated its purchases of miners and that most of its existing digital asset mining devices are not currently operational. In addition, J Cap highlighted “a series of highly questionable payments” by the company including share grants to a nonexistent entity, a $35 million contract with a related party, and “huge deposits with service providers for unclear reasons.”