Miners promised the moon on AI — now the $50B receipt is due ⏰

Bitcoin miners that have spent the past two years reinventing themselves as AI infrastructure providers are entering a more difficult phase of that transformation, with VanEck estimating the sector faces a combined near-term funding gap of roughly $50 billion and long-term capital needs of about $221 billion if current development plans proceed. In a new report, the asset manager argued that the market is beginning to shift focus from splashy AI contract announcements to whether miners can finance, build and operate the data center projects needed to serve AI customers.

"Execution, not signing, becomes the next premium," said VanEck investment analyst Griffin MacMaster and head of digital asset research Matthew Sigel, noting that the industry has so far delivered only about 25% of the AI and high-performance computing capacity it has leased. The report warned that companies missing construction milestones could face "structural de-ratings" from investors, with valuations hinging on energized power and tenant quality, favoring miners with investment-grade hyperscaler clients.

The pivot followed a collapse in mining profitability after the 2024 halving, when operators began repurposing their power infrastructure to support AI workloads. Core Scientific (CORZ) signed a multibillion-dollar hosting agreement with AI startup CoreWeave, transforming the company from a bitcoin miner into an AI infrastructure provider. TeraWulf (WULF), Hut 8 (HUT), Iren (IREN) and Cipher Mining (CIFR) have announced plans to lease power and data center capacity to AI and high-performance computing customers, while Marathon Digital (MARA), Riot Platforms (RIOT) and CleanSpark (CLSK) are pursuing hybrid strategies that maintain bitcoin mining operations while expanding into AI and HPC.