Bitcoin Miners Struggle to Deliver on AI Infrastructure Pledges

Bitcoin miners have been attempting to pivot their business models towards artificial intelligence (AI) and high-performance computing infrastructure, but investors remain skeptical due to a credibility problem. According to a June 2026 analysis from VanEck, these firms are generating more than three times the revenue per megawatt compared to traditional Bitcoin mining through AI and HPC contracts.

The math is indeed good, with industry-wide announced AI infrastructure contracts ranging from $65B to $90B as of mid-2026. However, only about 25% of leased AI capacity has been brought online so far, leading to concerns over the execution of these plans.

Some key companies have come under scrutiny for insider share sales around major lease announcements, further fueling investor skepticism. For instance, TeraWulf's CEO sold approximately 1.59 million shares just before a significant lease announcement, drawing pointed attention to the timing.