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Ex-Crypto Miner IREN Lands Massive Microsoft Contract as Industry Shifts to AI

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Published Nov 3, 2025
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Summary:
  • Former bitcoin miner IREN secured a $9.7 billion five-year deal with Microsoft to provide AI data center capacity and Nvidia chips in Texas
  • IREN stock jumped 10% Monday and is up 580% this year, with other miners like Riot, TeraWulf, and Cipher also pivoting to AI with gains of 100-360%
  • Bitcoin miners are becoming "integral to the AI value chain" by leveraging their existing land, energy, and data centers for AI workloads

The Deal

Microsoft just handed a nearly $10 billion contract to a former bitcoin miner. IREN, previously known as Iris Energy, secured a $9.7 billion five-year deal to provide Microsoft access to Nvidia chips at its Childress, Texas facility.

"This deal is really transformational for our business," IREN chief commercial officer Kent Draper told Yahoo Finance. "It absolutely catapults us into the kind of top echelon of the neoclouds."

IREN stock jumped as much as 10% Monday. Shares are up about 580% year-to-date. The company also partnered with Dell to purchase processors and related equipment for roughly $5.8 billion.

The Industry Pivot

Bitcoin miners are transforming into AI infrastructure providers. What was once a crypto mining operation is now a data center business serving AI workloads.

IREN said earlier this year it would stop expanding bitcoin mining operations to prioritize its AI cloud and data center business. Other miners are following the same playbook.

Riot, TeraWulf, and Cipher Mining have all shifted resources toward high-performance computing infrastructure and AI. Their stocks have soared 100%, 160%, and 360% respectively this year.

"Bitcoin miners are now an integral part of the AI value chain, providing warm powered shells for AI data centers - considered the biggest bottleneck to execution," Bernstein analyst Gautam Chhugani wrote Monday.

Why This Makes Sense

Bitcoin miners already have exactly what AI companies desperately need: land, power access, and data center facilities.

"We have built very high quality data center facilities historically, that were over equipped for what you would need for bitcoin mining," Draper said. "But we always had an idea that there would be other use cases like AI moving forward."

Those facilities designed for crypto mining can be repurposed for AI workloads with the right equipment upgrades. The power infrastructure and cooling systems translate directly to AI data center requirements.

Why Miners Are Pivoting

Bitcoin mining has become increasingly challenging. A crowded mining field and bitcoin's price swings have squeezed profit margins. Bitcoin's four-year "halving" event, which cuts mining rewards in half, has further eroded revenue over time.

The economics of AI infrastructure look much better. Tech giants like Microsoft are willing to pay billions for guaranteed access to computing capacity. That's more stable revenue than hoping bitcoin prices stay high enough to make mining profitable.

"As we write this, every U.S. listed Bitcoin miner has pivoted towards optimizing value of their power assets over maximizing Bitcoin upside," Chhugani wrote.

The Bottom Line

IREN's transformation from bitcoin miner to Microsoft's AI infrastructure partner captures a broader industry shift.

The $9.7 billion Microsoft deal validates the strategy. Former crypto mining operations are becoming essential AI infrastructure providers by leveraging existing assets - land, power, and facilities.

For IREN shareholders, the 580% gain this year reflects that successful pivot. The Microsoft contract provides massive, stable revenue for five years compared to volatile bitcoin mining income.

For the broader market, this highlights how desperate tech companies are for AI data center capacity. Microsoft paying nearly $10 billion to a former bitcoin miner shows the "warm powered shells" these companies built for crypto are valuable commodities in the AI boom.

The irony is striking. Bitcoin miners spent years building infrastructure to mine cryptocurrency. Now that infrastructure is worth more for AI than for its original purpose. The pivot from crypto to AI is proving far more lucrative than the mining business ever was.

IREN's stock up 580% versus bitcoin up modestly this year tells the story. The real money isn't in mining bitcoin anymore - it's in providing infrastructure for companies chasing AI dreams.

Whether this represents sustainable business transformation or another bubble remains to be seen. But right now, former bitcoin miners are cashing in on the AI infrastructure shortage by repurposing assets they already built.

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