GRYP GRYPHON DIGITAL MINING INC Investments/Divestments 8-K Filing 2023 - Amended and Restated Convertible Secured Promissory Note Akerna Corp. issued an amended and restated convertible secured promissory note to MJ Acquisition Corp. in the amount of $1,500,000, with certain amendments and conditions.Get access to all SEC 8-K filings of the GRYPHON DIGITAL MINING INC