Bitcoin miner CleanSpark increased its Bitcoin ( BTC ) production by 6.7% in June and surpassed its mid-year hash rate target of 20 exahashes per second.

The Nevada-based miner only sold 8 of the 445 Bitcoin it mined in June, bringing its total Bitcoin holdings to 6,591 BTC — worth more than $4 billion at current prices — as of June 30.

The firm’s hash rate now stands at 20.4 EH/s — more than double what it was last December — CleanSpark’s CEO Zach Bradford said in a July 2 statement.

CleanSpark mined 445 Bitcoin in June, surpasses hash rate target image 0 CleanSpark’s key performance metrics in June. Source: CleanSpark

CleanSpark’s hash rate surpassed its mid-year target of 20 EH/s following the installation of 1.7 EH/s of new miners at the five new facilities it recently bought in the state of Georgia in the United States.

Hash rate refers to the total combined computational power that is being used to mine transactions on proof-of-work networks like Bitcoin.

An additional 2 EH/s are expected to come from the five sites in Georgia once completed.

It is now the third Bitcoin miner to surpass the 20 EH/s milestone, trailing Marathon Digital and Core Scientific at 29.9 EH/s and 20.4 EH/s, respectively, hash rate Index data shows.

Bradford said his firm was now setting its sights on the next milestone, reaching 50 EH/s:

“While our peers are exploring other avenues of income, we're laser-focused on delivering results and increasing our bitcoin mining hash rate and associated revenues.”

In a bid to capture additional revenue streams, several major Bitcoin miners have expanded into the artificial intelligence and cloud computing space in recent months, including Core Scientific, TeraWulf, Hut 8 Corp , and Northern Data AG.

Related: Bitcoin miner Northern Data eyes $16B IPO for US cloud and mining units

Meanwhile, CleanSpark announced a $155 million merger with GRIID Infrastructure on June 27.

CleanSpark acquired all the issued and outstanding common stock of GRIID and assumed GRIID’s debts.

The Bitcoin miner also received an additional 20 megawatts of power under the agreement.

Despite the news increase in Bitcoin production and hash rate milestone, CleanSpark’s (CLSK) stock fell over 5.5% to $16.93 on July 2, Google Finance data shows.

However, CLSK is still up 55.6% so far in 2024 and 247.6% over the last 12 months.

CleanSpark mined 445 Bitcoin in June, surpasses hash rate target image 1 CLSK’s change in share price over the last 12 months. Source: Google Finance

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