Nvidia is getting a huge boost from a red-hot cryptocurrency (NVDA)

Graphic processing units are used to power games, but that's not what is driving Nvidia's stock skyward right now.
Cryptocurrency mining is one of the biggest drivers to the GPU maker's shares in recent weeks. In just 11 days, about $100 million worth of GPUs were added to the Ethereum network, according to a new note from RBC Capital Markets. Nvidia's stock has climbed about 5% over that time. 
"While the company is shifting its business toward Automotive and Gaming specific revenue,