But from what I read, all it does is do complex calculations that don't actually get used for anything? Just uses electricity in return for 'bitcoins'? That's

But from what I read, all it does is do complex calculations that don't actually get used for anything? Just uses electricity in return for 'bitcoins'? That's accurate. Does anyone know if there is such a thing as my original idea? Companies could buy distributed computing time that is sourced from home users idle clock cycles. That's a good idea. I think the owners of GPU farms or just any GPU cards or CPU could pivot to a business model that mine bitcoin when it's profitable or do computation works for companies when it's more profitable.