Mining cryptocurrency is big business. With Bitcoin surging past $4,000, it might finally be time to figure out what it actually is and how it works. 

Some of the biggest chipmakers like NVIDIA (NVDA) and AMD (AMD) are already cashing in.

Those who are mining crypto currency are showing off their rigs.

We looked at Instagram (FB)  to check out their gear and spotted brands like MSI, Sapphire and XFX.

Watch More with TheStreet:

Editors' Pick: Originally published on August 11, 2017. 

If you liked this article you might like

The Stock Market Could Be Reduced to Rubble, Doug Kass Explains

I Cannot Be a Cheerleader Because I Am Blinded By a Sense of History

IPOs That Should Be on Your Radar

Wall Street Deflates in Pullback After Fed Excitement, No Records for Dow

Your Guide to Making a Lot of Money on the Driverless Car Boom