Bitcoin takes a tumble amid market sell-off

Grayscale Investments’ CEO Michael Sonnenshein joins The Exchange to discuss cryptocurrency and why there are so many fears in the market regarding Bitcoin and other digital currencies. For access to live and exclusive video from CNBC subscribe to CNBC PRO: https://cnb.cx/2NGeIvi The price of bitcoin dropped sharply Monday as investors began shedding risk amid a global equity markets decline.