The same thing anyone else does with a billion CPUs: Hashing things and looking for collisions, or variants on the theme. Nowhere else could you get CPUs as ch

The same thing anyone else does with a billion CPUs: Hashing things and looking for collisions, or variants on the theme. Nowhere else could you get CPUs as cheaply as you could buying the cheap banner video vast+vpaid and simply not calling adImpression.