Thumzup Media has loaned US$2.5 million to DogeHash Technologies, a company that specializes in mining Dogecoin. According to the announcement, Thumzup is supporting DogeHash Technologies in expanding its fleet of crypto miners by 500 ASIC mining rigs. This addition will bump DogeHash’s fleet to 4,000 crypto mining rigs by the end of this year. On September 24, Thumzup approved a US$10 million stock buyback plan, which will run until the end of next year. Currently, Thumzup holds 19.106 Bitcoins and around 7.5 million Dogecoin worth a total of ~US$4 million.