CleanSpark (NASDAQ:CLSK) has mined 339 bitcoins (BTC-USD) in June compared with 312 in May, according to its monthly production and operations update released Wednesday.It's holding a total of 561 bitcoins (BTC-USD) as of June 30.Meanwhile, CleanSpark (CLSK) sold 328 bitcoins in June at an average price of ~$25,644 per BTC. The sale proceeds of $8.4M were used to fund growth and operations, it said. Both Riot Blockchain (RIOT) and Core Scientific (CORZ) sold some bitcoin during June as well.Also, the company said it currently has a deployed fleet of approximately 38.5K bitcoin (BTC-USD) miners with a hashrate surpassing 2.8 EH/s.Previously, (June 2) CleanSpark mined 312 bitcoins in May.