Cryptoverse: Miners trudge through post-halving world

Representation of the bitcoin cryptocurrency and a price chart are seen in this illustration taken October 24, 2023. REUTERS/Dado Ruvic/Illustration

With mining rewards halved, mining difficulty elevated and the shiny new bitcoin exchange-traded funds (ETFs) stealing investor capital, it's been a tough year for bitcoin miners.

Marathon Digital and Riot Platforms, among the biggest U.S.-listed miners, have dropped about 10% and 33% respectively so far this year, even as bitcoin has climbed 60% year-to-date to $67,859, after hitting a record level in March.

Mining stocks closely track bitcoin as a higher price boosts their profits margins.

However, market analysts said the launch of the 11 bitcoin ETFs at the start of this year prompted some investors to rotate out of mining stocks - earlier among the few stocks offering exposure to bitcoin - in favour of the ETFs that track the spot price.

"There's been a lot of institutional money flow into the ETFs as opposed to using the miners as a proxy for exposure to bitcoin," said Pascal St-Jean, president at the global digital asset investment manager 3iQ.

Power-hungry miners compete to solve complex mathematical puzzles to build the bitcoin blockchain and earn rewards in the form of new bitcoin.

Their rewards were halved in April to 3.26 bitcoin per block in a technical adjustment that occurs roughly every four years, designed to reduce the rate at which new bitcoins are created.

As a result, miners revenue per transaction has fallen from over $192 in March to just $60 currently, the lowest since last September, as per data.

Bitcoin's network difficulty - a measure of how difficult it is to mine one bitcoin block - has climbed fairly steadily since the start of the year, as per data, touching an all-time high in early May.

"Miners have to work hard to increase their efficiency, which typically involves spending on better hardware," said David Morrison, analyst at brokerage Trade Nation.

The 14 U.S.-listed miners, which account for 23% of the global bitcoin mining power, are better positioned to take advantage of the new environment, J.P.Morgan said in May.

This is mainly due to greater access to funding and, in particular, equity financing which "helps them to scale their operations and invest into more efficient equipment," J.P.Morgan analysts said.

The listed bitcoin miners raised more than $3 billion in equity capital in the first quarter of 2024, the most in the past two years, J.P.Morgan added.

To rein in energy costs some players are resorting to moving their operations to countries where energy prices are more affordable, and governments friendlier to digital assets.

"We are less optimistic about the U.S. because of the ... potential risks like tax discussions," said Youwei Yang, chief economist at Bit Mining, who noted new establishments in Ethiopia.


As their revenue falls, market analysts expect to see more mergers among bitcoin miners, where those with more capital target less efficient miners to stay competitive.

CleanSpark has purchased more mining rigs and acquired smaller mining facilities at the beginning of the year.

"The market remains bifurcated with companies that have access to capital in a position to grow, while those less fortunate most likely selling owing to reduced revenues post the halving," said Gregory Lewis, analyst at brokerage BTIG that covers the U.S.-listed bitcoin miners.

In search of more revenue, some crypto mining companies are hitching their wagon to the artificial intelligence craze, taking advantage of their existing stashes of energy hungry computing power to meet the needs of AI systems.

Miners such as Bit Digital, Hut8 Iris Energy and Core Scientific have ventured into AI services or high-performance computing.

"There are just too many bitcoin mining operators operating subscale, while demand for generative AI and computation dense data centers continues to grow and create competition for land and power," said Bernstein analyst Gautam Chhugani said.

(Reporting by Medha Singh an Lisa Pauline Mattackal in Bengaluru; Editing by Sharon Singleton)

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