Bitcoin Miners IREN and Cipher Secure Multi-Billion Dollar AI Infrastructure Deals with Microsoft and Amazon

Major AI Infrastructure Deals Transform Bitcoin Mining Landscape

Two prominent Bitcoin mining companies made headlines Monday with massive AI infrastructure deals, signaling a dramatic industry shift as crypto miners pivot to capitalize on surging artificial intelligence demand. IREN Ltd secured a five-year, $9.7 billion contract with Microsoft, while Cipher Mining announced a 15-year, $5.5 billion lease agreement with Amazon Web Services 1

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Source: Benzinga

IREN's Microsoft Partnership Details

Sydney-based IREN's agreement with Microsoft provides the tech giant access to Nvidia's cutting-edge GB300 GPUs for cloud-based AI services. The deal includes a 20% prepayment from Microsoft and commits IREN to purchasing $5.8 billion in Nvidia GPUs and related equipment from Dell Technologies. The infrastructure will be housed at IREN's Texas campus, eventually powering 200 megawatts of AI compute workloads 1

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Source: Decrypt

"This agreement not only validates IREN's position as a trusted provider of AI Cloud services, but also opens access to a new customer segment among global hyperscalers," said IREN co-founder and CEO Daniel Roberts 1

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Cipher's Amazon Deal and Strategic Positioning

Cipher Mining's 15-year lease with Amazon Web Services requires the company to provide turnkey space and power for AI workloads in two phases, starting in July and August 2026. The agreement calls for delivering 300 MW of capacity, including both air and liquid cooling systems 2

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Source: Benzinga

CEO Tyler Page emphasized the company's unique positioning in the market, describing their "secret sauce" as the ability to bridge two worlds: "We can speak very credibly with that audience that originates these sites and at the same time have an all day technical meeting with a hyperscaler and impress them as well" 3

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Stock Market Response and Financial Performance

Both companies saw significant stock price surges following their announcements. IREN shares jumped nearly 21% to around $73 per share before settling at approximately $67.30. Cipher Mining's stock rocketed over 32%, rising from $18.65 to a peak of $24.80 before closing at $22.76 1

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Despite missing Wall Street earnings expectations, Cipher's stock soared due to the Amazon deal announcement. The company reported Bitcoin mining revenue that nearly tripled year-over-year from $24.1 million to $71.7 million, with adjusted earnings swinging from a net loss to a profit of $0.10 per share 4

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Industry Transformation and Future Outlook

The deals represent a broader industry transformation as Bitcoin miners diversify revenue streams following the April 2024 halving that reduced mining rewards to 3.125 Bitcoin, impacting overall profitability. Companies are leveraging their existing data center infrastructure and power capacity to serve the exploding AI market .

Other major tech partnerships in the sector include Google's acquisition of a 5.4% stake in Cipher Mining as part of a $3 billion deal with AI data center company Fluidstack, and Google's $3.2 billion total investment in Bitcoin miner TeraWulf 1

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