ChainCatcher message, according to a report from Hashrate Index, the collective debt of Bitcoin mining companies is expected to exceed $4 billion by the end of 2022. Among them, Core Scientific has the highest debt, owing creditors $1.3 billion as of September 30, and has filed for Chapter 11 bankruptcy protection; Marathon Digital owes approximately $851 million, but most of it is in convertible notes; the third debtor is Greenidge Generation, which owes $218 million but is undergoing a restructuring process that may significantly reduce its debt. (source link)