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Search engine giant Google has emerged as a silent architect behind Bitcoin miners' rapid pivot towards artificial intelligence (AI).
Instead of acquiring mining firms, the Alphabet-owned company has provided at least $5 billion of disclosed credit support behind a handful of BTC miners' AI projects.
While markets often frame these announcements as technology partnerships, the underlying structure is closer to credit engineering.
Google’s backing helps recast these previously unrated mining companies as counterparties that lenders can treat like infrastructure sponsors rather than pure commodity producers.
The mechanism for these deals is pretty straightforward.
BTC Miners contribute energized land, high-voltage interconnects, and shell buildings. Fluidstack, a>TeraWulf established the structural precedent at its Lake Mariner campus in New York.
Following an initial phase, the miner announced a massive expansion, lifting the total contracted capacity above 360 megawatts. TeraWulf values the deal at $6.7 billion in contracted revenue, potentially reaching $16 billion with extensions.
Crucially, the deal terms indicate Google increased its backstop to $3.2 billion and boosted its warrant-derived stake to approximately 14%.
Notably, Google's role was also evident in Cipher Mining's AI pivot.
Cipher Mining had secured a 10-year, 168-megawatt AI hosting agreement with Fluidstack at its Barber Creek site.
While Cipher markets this as approximately $3 billion in contracted revenue, the financial engine is Google’s agreement to backstop $1.4 billion of the lease obligations.
In exchange for this credit wrap, Google received warrants convertible into roughly a 5.4% equity stake in Cipher.
Hut 8 Corp. further scaled the model on Dec. 17, disclosing a 15-year lease with Fluidstack for 245 megawatts of IT capacity at its River Bend campus in Louisiana.
The contract holds a total value of $7 billion. Market sources and company disclosures confirm that JP Morgan and Goldman Sachs are structuring the project finance, a feat made possible only because Google “financially backs” the lease obligations.
Why AI leases beat bitcoin margins
These miners' structural pivot responds to deteriorating mining economics.
CoinShares’ data puts the average cash cost to produce 1 BTC among listed miners at about $74,600, with the total cost including non-cash items such as depreciation closer to $137,800.
With BTC trading around $90,000, margins for pure-play miners remain compressed, prompting boards to seek more stable revenue streams.
That search now points to AI and high-performance computing. CoinShares reported that public miners have announced more than $43 billion in AI and HPC contracts over the past year.
Through these deals, BTC miners have a better standing with financial institutions because banks can underwrite a 10 or 15-year AI capacity lease as recurring revenue and test it against debt service coverage ratios.
Bitcoin mining income, by contrast, moves with network difficulty and block rewards, a pattern most institutional lenders are reluctant to anchor on.
However, Google’s role bridges this gap. As a credit enhancer, it lowers the perceived risk of projects and enables miners to access capital closer to that of traditional data center developers.
For Google, the structure improves capital efficiency. Instead of carrying the full cost of building>Bitcoin miners have traditionally optimized for the cheapest, most easily curtailed power they can secure. AI customers, by contrast, expect>inputs in the AI build-out. This approach avoids the kind of merger review that a large asset purchase would invite.
However, if this template scales across multiple campuses, critics could argue that Google has created a kind of “virtual utility.” It would not own the buildings but would still shape who can deploy large-scale computing on those grids.
As a result, regulators may eventually find themselves asking whether control over long-dated AI capacity, even via leases, deserves closer antitrust scrutiny.
For Bitcoin, the trade-off is straightforward. Every megawatt diverted from mining to AI reduces the pool of power available to secure the network.
The market once assumed that hashrate would track price almost linearly as more efficient rigs and more capital came online.
So, if the most efficient operators systematically redeploy their best sites into AI contracts, hashrate growth becomes more constrained and more expensive, leaving a greater share of block production to stranded or lower-quality power assets.