IREN is promoting a vertically-integrated full-stack AI infrastructure strategy while WhiteFiber secured a $160M funding deal.

IREN co-founder Daniel Roberts outlined an ambitious vision for the company as a vertically integrated AI infrastructure platform, arguing that "AI's biggest constraint is increasingly physical infrastructure, with power, land and data center capacity becoming more valuable as global compute demand surges." In a lengthy X post on Friday, Roberts asserted that the biggest bottleneck in artificial intelligence is no longer chips, but physical infrastructure. "AI demand grows exponentially. Infrastructure doesn't," he wrote, pointing to growing constraints around power, land, cooling and data center construction.

Roberts said IREN's strategy is built around three layers: physical infrastructure such as power and data centers, compute infrastructure including NVIDIA GPUs and servers, and enterprise software and operational tooling. He noted that "Layers 1 and 2 are where the overwhelming majority of IREN's value is being created today," with "Layer 3 is where that advantage compounds further over time." The company, formerly known as Iris Energy, has expanded beyond bitcoin mining into AI infrastructure, with projects spanning Texas, British Columbia, Oklahoma, Spain and Australia. Roberts said IREN has secured roughly 5 gigawatts of grid-connected capacity globally.

He argued that owning the full stack creates a long-term competitive moat as AI demand accelerates globally, particularly in underserved regions such as Europe and Asia-Pacific. The thread highlighted IREN's growing relationship with NVIDIA, including a recently announced five-year, $3.4 billion AI cloud contract tied to Blackwell GPU deployments in Texas. Separately, WhiteFiber announced a five-year AI compute agreement worth more than $160 million with an investment-grade technology customer in France, using NVIDIA GPUs and expanding WhiteFiber's European footprint. WhiteFiber provides AI cloud and high-performance compute services using third-party data center infrastructure, while IREN focuses on owning and operating the underlying infrastructure itself. WYFI shares rose 22% Thursday and gained another 5% in Friday premarket trading, while IREN shares gained 10% on Thursday.