Marathon Digital, Riot Blockchain bitcoin mining growth soften the most in May

Bitcoin mining farm. IT hardware.

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Marathon Digital (NASDAQ:MARA) and Riot Blockchain (NASDAQ:RIOT) bitcoin mining growth slid again in May, while Bitfarms (BITF), HIVE Blockchain (HIVE) and Core Scientific (NASDAQ:CORZ) saw some upside momentum. Overall, crypto miners' performance metrics softened a bit last month as the number of bitcoins (BTC-USD) mined slipped nearly 2% on average, but the hash rate edged up almost 2%, according to the table below.

The slump in bitcoin (BTC-USD) mining looms as the BTC network hash rate wobbled throughout May, but still hovers near all-time highs of 274.75 exahash per second ("EH/s") on June 8, recently standing at 227.16, according to data from CoinWarz. Note that the mining hash rate is a measure of how much computing power is being used to process transactions on the blockchain. It estimates bitcoin's hashing power based on the number of blocks being mined. Ultimately, the more hashing power in the network, the greater its security against potential attacks.

Also, the bitcoin (BTC-USD) network difficulty is standing near record highs as well, implying there's an influx of miners and it will take more computing power to mine the same number of blocks, making the network more secure against attacks.

Looking at the crypto miners individually, Marathon Digital (MARA) CEO and Chairman Fred Thiel said "maintenance issues at the power generation station in Montana caused us to produce approximately 47% less bitcoin than what would have been expected based on the network’s hash rate during the month. However, we believe that our production results will improve over time as we move forward with our deployment plan and energize our miners installed in Texas."

Thiel added that his company had "experienced delays in energization as Compute North's energy provider awaits federal agency confirmation of its exempt status for tax purposes based upon its arrangements with Compute North," a computing provider.

As for Riot Blockchain (RIOT), the company not only mined a smaller number of bitcoins (BTC-USD) M/M in May, but it also reduced its 2023 hash rate guidance, with expectations for 12.6 EH/s of mining capacity vs. 12.8 EH/s in the prior view.

Meanwhile, bitcoin (BTC-USD) miners are being scrutinized by regulators since they consume a vast amount of computing power (energy) to process transactions on the Proof-of-Work blockchain. New York's financial watchdog, in particular, is nearing its decision to ban carbon-based crypto mining for two years in a move that would likely benefit eco-friendly miners like Albany-based Soluna Holdings (SLNH), as more miners using clean energy sources come to New York, while those using fossil fuel-based power will be forced to leave.

“The regulatory environment in New York will not only halt their target – carbon-based fuel proof of work mining – but will also likely discourage new, renewable-based miners from doing business with the state due to the possibility of more regulatory creep,” GEM Mining CEO John Warren told CNBC on June 3.

Previously, (June 10) EU nears deal on key crypto legislation in June.

Company Ticker Type May April March Three-Month Average
Marathon Digital (MARA) bitcoins mined 268 299 436.1 334.4
Bitfarms (BITF) bitcoins mined 431 405 363 399.7
hash rate (EH/s) 3.4 3.3 2.7 3.1
HIVE Blockchain (HIVE) bitcoins mined 273.4 268.8 278.6 273.6
hash rate (EH/s) 2.18 2.15 2 2.1
Riot Blockchain (RIOT) bitcoins mined 466 508 511 495.0
hash rate (EH/s) 4.6 4.7 4.3 4.5
CleanSpark (CLSK) bitcoins mined 312 313 318 314.3
hash rate (EH/s) 2.5 2.4 2.3 2.4
Hut 8 Mining (HUT) bitcoins mined 309 309 345 321.0
hash rate (EH/s) 2.64 2.58 2.54 2.6
Core Scientific (CORZ) bitcoins mined 1138 1121 1143 1134.0
hash rate (EH/s) 9.2 8.9 8.3 8.8
Argo Blockchain (ARBK) bitcoins mined 124 166 163 151.0
BitNile (NILE) bitcoins mined 39 38.5 31.7 36.4
Average bitcoins mined (May) 373.4
Average hash rate (May) 4.09

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