It was a sunny day in August 2017, and CoreWeave CEO Michael Intrator was beginning to think he might actually set his Manhattan office tower on fire. Dozens of powerful Nvidia GPUs were plugged into every available outlet, churning through the convoluted math required to mine cryptocurrency, and they were throwing off a ton of heat. With the air conditioning turned off for the weekend, the sixth-floor Financial District office had turned into a 130-degree hotbox. “I flipped. This wasn’t really