Bitcoin Mining Meltdown, Yet Bernstein Eyes AI Shift
Bitcoin mining hashrate dropped below 1 ZH/s for the first time in years, with difficulty plunging nearly 8% to 133.79 trillion on March 20 as operators redirect power to AI data centers.[6][4] Public miners like IREN, formerly Iris Energy, spent $800 million on AI infrastructure in their latest quarter, outpacing three years of Bitcoin expansion investments.[2] Bernstein analysts now project IREN’s AI cloud business to generate $2.1 billion in adjusted EBITDA by 2027, eclipsing fading mining revenue.[1]
The pivot accelerated after Bitcoin’s correction from above $126,000 in October 2025 to below $60,000 in February, compressing margins industry-wide.[2] IREN secured a five-year Microsoft deal for 150,000 GPUs, supporting $3.7 billion in annualized revenue once fully deployed, with half already contracted.[1] By 2027, Bernstein models AI cloud revenue at $1.4 billion, up from $16 million in 2025, as the firm sunsets Bitcoin operations.[1] Its 4.5 gigawatt power portfolio in British Columbia, Texas, Sweetwater, and Oklahoma now retrofits for GPU racks.[1]
Other miners followed suit. MARA Holdings, Riot Platforms, HIVE Digital Technologies, and Bitdeer Technologies shifted resources to high-performance computing amid rising debt and revenue collapse.[2] Bitdeer called its fourth-quarter 2025 results a “strategic turning point,” with chief business officer Matt Kong highlighting power infrastructure’s value for AI demand imbalances.[2] HIVE CEO Frank Holmes told Forbes that miners hold edges in power contracts, land, and facilities ready for repurposing.[2]
Bernstein views IREN’s transformation into a hyperscale AI cloud operator as its core opportunity, with $6 billion in cloud revenue and nearly $5 billion EBITDA by 2030 at over 80% margins.[1] Equity investors have rotated into AI plays despite bubble concerns, boosting IREN’s positioning.[1] The seven largest tech firms plan over $600 billion in AI spending this year, drawing miners into the trillion-dollar infrastructure cycle.[2]
This exodus reshapes Bitcoin’s market structure. Profit per megawatt now favors GPU hosting over hashing, locking power into five-year AI contracts and removing it from the network.[3] Global hashrate growth stalls, easing attack costs theoretically while concentrating hashrate among public giants using AI profits to subsidize mining.[3] Small operators face elimination as majors like IREN divest Bitcoin sites-Cypher Mining sold 49% stakes to fund AI-and offload over 15,000 BTC from balance sheets.[5]
Investor behavior reflects the strain. Public U.S. miners handed infrastructure to Microsoft and Google for lease payments, trading network security for stable yields.[5] Data suggests diversification creates a financial floor, letting firms survive crypto winters unlike 2018 or 2022 bankruptcies.[3] Yet network reliance on distributed hashrate exposes a mercenary model, where energy chases the highest bidder-currently AI.[3]
Adoption trends favor hybrids. Miners evolve from protocol specialists to general compute providers, servicing money and intelligence on shared infrastructure.[3] IREN’s April 2025 Microsoft pact for 200 MW with NVIDIA GB300 GPUs, valued at $9.7 billion, signals scale.[5] TeraWulf locked 10-year Google-backed deals for over 200 MW.[5]
Risks loom large. AI lock-ins prevent dynamic hashrate return if Bitcoin needs security, potentially centralizing control.[3] Critics argue public miners squandered cheap energy advantages, rebranding as rack hosts while Chinese lean AI models and open-source tools commoditize hardware elsewhere.[5]
Market participants view the shift as resilient long-term, with AI revenues preserving infrastructure for eventual Bitcoin return.[3]
[1] https://www.dlnews.com/articles/markets/bitcoin-mining-meltdown-why-irens-real-future-is-in-ai-says-bernstein/
[2] https://coinmarketcap.com/academy/article/bitcoin-miners-shift-dollar800m-into-ai-infrastructure-as-profits-vanish
[3] https://www.bitgo.com/resources/blog/why-bitcoin-miners-are-pivoting-to-ai-infrastructure/
[4] https://www.bytefederal.com/news/bitcoin-mining-power-drops-for-first-time-in-six-years-as-miners-abandon-crypto-for-ai-gold-rush/40185
[5] https://bitcoinmagazine.com/business/public-bitcoin-miners-are-dumping-bitcoin-for-ai-a-historic-mistake
[6] https://beincrypto.com/bitcoin-mining-difficulty-plunges-miners-shift-ai/
