A secretive Chinese start-up called Bitmain that dominates the bitcoin "mining" industry likely made as much as chipmaker Nvidia. ![image](https://img.esteem.ws/n1fib48w48.jpg)

Bitmain which  was founded by Jihan Wu and Micree Zhan in 2013 is a leading bitcoin mining company. 
The company has since grown into one of the primary firms involved with bitcoin mining, the process of using computing power to generate bitcoins. Wu is also icon of cryptoworld.

Based on conservative estimates of gross margin of 75 percent and operating margin of 65 percent, analysts estimates that Bitmain would have made $3 billion to $4 billion in operating profit in 2017.  operation profit was $3 billion during the same period.